| 2026-10-03 | Nemuro | Record high maximum temperature (provisional) | 26.4 C (79.5 F) | 2.2 C (4.0 F) | 32 | 35 of 100 (Notable) |
| 2026-10-05 | Iwamizawa | Record high minimum temperature (provisional) | 18.1 C (64.6 F) | 1.6 C (2.9 F) | 71 | 42 of 100 (Notable) |
| 2026-10-05 | Mutsu | Record high minimum temperature (provisional) | 17.9 C (64.2 F) | 2.0 C (3.6 F) | 67 | 32 of 100 (Routine) |
| 2026-10-05 | Esashi | Record high minimum temperature (provisional) | 17.9 C (64.2 F) | 1.3 C (2.3 F) | 67 | 31 of 100 (Routine) |
| 2026-10-05 | Tomakomai | Record high minimum temperature (provisional) | 16.4 C (61.5 F) | 1.8 C (3.2 F) | 0 | 11 of 100 (Routine) |
| 2026-10-05 | Kutchan | Record high minimum temperature (provisional) | 15.3 C (59.5 F) | 1.3 C (2.3 F) | 0 | 10 of 100 (Routine) |
| 2026-10-05 | Abashiri | Record high minimum temperature (provisional) | 14.8 C (58.6 F) | 0.4 C (0.7 F) | 0 | 8 of 100 (Routine) |
| 2026-10-05 | Aikawa | Record high minimum temperature (provisional) | 20.6 C (69.1 F) | 0.5 C (0.9 F) | 0 | 8 of 100 (Routine) |
| 2026-10-06 | Ajiro | Record high minimum temperature (provisional) | 21.1 C (70.0 F) | 0.2 C (0.4 F) | 61 | 25 of 100 (Routine) |
| 2026-10-06 | Ofunato | Record high maximum temperature (provisional) | 24.4 C (75.9 F) | 0.3 C (0.5 F) | 48 | 20 of 100 (Routine) |
| 2026-10-06 | Hiroo | Record high maximum temperature (provisional) | 23.2 C (73.8 F) | 0.1 C (0.2 F) | 45 | 19 of 100 (Routine) |
| 2026-10-06 | Hiroo | Record high minimum temperature (provisional) | 13.8 C (56.8 F) | 0.1 C (0.2 F) | 45 | 19 of 100 (Routine) |
| 2026-10-06 | Chichibu | Record high minimum temperature (provisional) | 18.8 C (65.8 F) | 1.1 C (2.0 F) | 12 | 12 of 100 (Routine) |
| 2026-10-06 | Utsunomiya | Record high minimum temperature (provisional) | 19.6 C (67.3 F) | 0.9 C (1.6 F) | 8 | 11 of 100 (Routine) |
| 2026-10-06 | Ofunato | Record high minimum temperature (provisional) | 16.9 C (62.4 F) | 0.2 C (0.4 F) | 8 | 8 of 100 (Routine) |
| 2026-10-06 | Shizuoka | Record high minimum temperature (provisional) | 22.8 C (73.0 F) | 0.4 C (0.7 F) | 0 | 8 of 100 (Routine) |
| 2026-10-06 | Kumagaya | Record high minimum temperature (provisional) | 19.9 C (67.8 F) | 0.2 C (0.4 F) | 0 | 7 of 100 (Routine) |
| 2026-10-07 | Esashi | Record high minimum temperature (provisional) | 17.9 C (64.2 F) | 0.8 C (1.4 F) | 64 | 28 of 100 (Routine) |
| 2026-10-07 | Haboro | Record high minimum temperature (provisional) | 15.7 C (60.3 F) | 0.3 C (0.5 F) | 67 | 27 of 100 (Routine) |
| 2026-10-07 | Rumoi | Record high minimum temperature (tie) (provisional) | 14.2 C (57.6 F) | tie | 39 | 4 of 100 (Routine) |
| 2026-10-08 | Esashi | Record high minimum temperature (provisional) | 18.9 C (66.0 F) | 0.4 C (0.7 F) | 70 | 39 of 100 (Notable) |
| 2026-10-08 | Haboro | Record high minimum temperature (provisional) | 16.8 C (62.2 F) | 0.8 C (1.4 F) | 75 | 31 of 100 (Routine) |
| 2026-10-08 | Otaru | Record high minimum temperature (provisional) | 16.4 C (61.5 F) | 2.6 C (4.7 F) | 51 | 30 of 100 (Routine) |
| 2026-10-08 | Mombetsu | Record high minimum temperature (provisional) | 12.8 C (55.0 F) | 1.0 C (1.8 F) | 68 | 30 of 100 (Routine) |
| 2026-10-08 | Rumoi | Record high minimum temperature (provisional) | 16.9 C (62.4 F) | 0.2 C (0.4 F) | 1 | 17 of 100 (Routine) |
| 2026-10-08 | Hiroo | Record high minimum temperature (provisional) | 16.2 C (61.2 F) | 0.5 C (0.9 F) | 1 | 17 of 100 (Routine) |
| 2026-10-08 | Abashiri | Record high minimum temperature (tie) (provisional) | 11.7 C (53.1 F) | tie | 75 | 7 of 100 (Routine) |
| 2026-10-09 | Nemuro | Record high maximum temperature (provisional) | 21.9 C (71.4 F) | 0.7 C (1.3 F) | 75 | 33 of 100 (Routine) |
| 2026-10-09 | Iwamizawa | Record high minimum temperature (provisional) | 15.1 C (59.2 F) | 1.9 C (3.4 F) | 69 | 32 of 100 (Routine) |
| 2026-10-09 | Otaru | Record high maximum temperature (provisional) | 22.2 C (72.0 F) | 0.6 C (1.1 F) | 73 | 30 of 100 (Routine) |
| 2026-10-09 | Iida | Record high minimum temperature (provisional) | 16.2 C (61.2 F) | 0.5 C (0.9 F) | 73 | 30 of 100 (Routine) |
| 2026-10-09 | Rumoi | Record high minimum temperature (provisional) | 13.8 C (56.8 F) | 0.4 C (0.7 F) | 68 | 28 of 100 (Routine) |
| 2026-10-09 | Haboro | Record high minimum temperature (provisional) | 13.2 C (55.8 F) | 0.3 C (0.5 F) | 69 | 27 of 100 (Routine) |
| 2026-10-09 | Hitoyoshi | Record high minimum temperature (provisional) | 21.2 C (70.2 F) | 1.5 C (2.7 F) | 57 | 27 of 100 (Routine) |
| 2026-10-09 | Ushibuka | Record high minimum temperature (provisional) | 24.1 C (75.4 F) | 0.7 C (1.3 F) | 56 | 25 of 100 (Routine) |
| 2026-10-09 | Hiroo | Record high minimum temperature (provisional) | 13.4 C (56.1 F) | 0.8 C (1.4 F) | 56 | 24 of 100 (Routine) |
| 2026-10-09 | Sasebo Reg Met HQ | Record high minimum temperature (provisional) | 22.4 C (72.3 F) | 0.6 C (1.1 F) | 56 | 24 of 100 (Routine) |
| 2026-10-09 | Kure Reg Met HQ | Record high minimum temperature (provisional) | 20.1 C (68.2 F) | 0.2 C (0.4 F) | 56 | 23 of 100 (Routine) |
| 2026-10-09 | Aburatsu | Record high minimum temperature (provisional) | 25.6 C (78.1 F) | 0.5 C (0.9 F) | 13 | 21 of 100 (Routine) |
| 2026-10-09 | Otaru | Record high minimum temperature (provisional) | 17.6 C (63.7 F) | 0.9 C (1.6 F) | 1 | 19 of 100 (Routine) |
| 2026-10-09 | Tomakomai | Record high maximum temperature (provisional) | 23.4 C (74.1 F) | 1.0 C (1.8 F) | 32 | 19 of 100 (Routine) |
| 2026-10-09 | Nagoya | Record high minimum temperature (provisional) | 18.9 C (66.0 F) | 0.4 C (0.7 F) | 35 | 18 of 100 (Routine) |
| 2026-10-09 | Miyazaki | Record high minimum temperature (provisional) | 21.6 C (70.9 F) | 0.8 C (1.4 F) | 12 | 12 of 100 (Routine) |
| 2026-10-09 | Matsue | Record high maximum temperature (provisional) | 28.2 C (82.8 F) | 0.7 C (1.3 F) | 8 | 11 of 100 (Routine) |
| 2026-10-09 | Tottori | Record high maximum temperature (provisional) | 28.6 C (83.5 F) | 0.4 C (0.7 F) | 8 | 10 of 100 (Routine) |
| 2026-10-09 | Busan | Record high minimum temperature (provisional) | 20.3 C (68.5 F) | 1.0 C (1.8 F) | 12 | 10 of 100 (Routine) |
| 2026-10-09 | Matsuyama | Record high maximum temperature (provisional) | 28.4 C (83.1 F) | 0.1 C (0.2 F) | 8 | 9 of 100 (Routine) |
| 2026-10-09 | Shimizu | Record high minimum temperature (provisional) | 24.9 C (76.8 F) | 0.3 C (0.5 F) | 4 | 9 of 100 (Routine) |
| 2026-10-09 | Gifu | Record high minimum temperature (provisional) | 20.9 C (69.6 F) | 0.1 C (0.2 F) | 4 | 8 of 100 (Routine) |
| 2026-10-09 | Hiroshima | Record high maximum temperature (provisional) | 28.1 C (82.6 F) | 0.4 C (0.7 F) | 0 | 8 of 100 (Routine) |
| 2026-10-09 | Hamamatsu | Record high minimum temperature (provisional) | 21.1 C (70.0 F) | 0.2 C (0.4 F) | 0 | 7 of 100 (Routine) |
| 2026-10-09 | Kure Reg Met HQ | Record high maximum temperature (provisional) | 27.6 C (81.7 F) | 0.1 C (0.2 F) | 0 | 7 of 100 (Routine) |
| 2026-10-09 | Hiroo | Record high maximum temperature (tie) (provisional) | 22.8 C (73.0 F) | tie | 56 | 5 of 100 (Routine) |
| 2026-10-10 | Haboro | Record high minimum temperature (provisional) | 16.1 C (61.0 F) | 3.2 C (5.8 F) | 73 | 37 of 100 (Notable) |
| 2026-10-10 | Mombetsu | Record high minimum temperature (provisional) | 13.1 C (55.6 F) | 0.1 C (0.2 F) | 69 | 27 of 100 (Routine) |
| 2026-10-10 | Yeosu | Record high maximum temperature (provisional) | 26.9 C (80.4 F) | 1.9 C (3.4 F) | 49 | 25 of 100 (Routine) |
| 2026-10-10 | Hirado | Record high minimum temperature (provisional) | 21.2 C (70.2 F) | 0.3 C (0.5 F) | 56 | 24 of 100 (Routine) |
| 2026-10-10 | Murotomisaki | Record high minimum temperature (provisional) | 21.6 C (70.9 F) | 0.1 C (0.2 F) | 56 | 23 of 100 (Routine) |
| 2026-10-10 | Fukushima Arpt | Record high minimum temperature (provisional) | 16.8 C (62.2 F) | 0.3 C (0.5 F) | 43 | 19 of 100 (Routine) |
| 2026-10-10 | Fukuoka | Record high minimum temperature (provisional) | 21.5 C (70.7 F) | 0.8 C (1.4 F) | 32 | 18 of 100 (Routine) |
| 2026-10-10 | Ulleungdo | Record high minimum temperature (provisional) | 19.7 C (67.5 F) | 1.1 C (2.0 F) | 20 | 17 of 100 (Routine) |
| 2026-10-10 | Yeosu | Record high minimum temperature (provisional) | 20.7 C (69.3 F) | 0.3 C (0.5 F) | 40 | 17 of 100 (Routine) |
| 2026-10-10 | Matsue | Record high maximum temperature (provisional) | 28.4 C (83.1 F) | 0.3 C (0.5 F) | 17 | 13 of 100 (Routine) |
| 2026-10-10 | Wajima | Record high maximum temperature (provisional) | 26.1 C (79.0 F) | 0.1 C (0.2 F) | 21 | 12 of 100 (Routine) |
| 2026-10-10 | Iizuka | Record high minimum temperature (provisional) | 21.2 C (70.2 F) | 1.6 C (2.9 F) | 4 | 12 of 100 (Routine) |
| 2026-10-10 | Sasebo Reg Met HQ | Record high minimum temperature (provisional) | 22.1 C (71.8 F) | 1.6 C (2.9 F) | 0 | 11 of 100 (Routine) |
| 2026-10-10 | Wakamatsu | Record high maximum temperature (provisional) | 25.8 C (78.4 F) | 0.7 C (1.3 F) | 8 | 10 of 100 (Routine) |
| 2026-10-10 | Busan | Record high maximum temperature (provisional) | 27.7 C (81.9 F) | 0.3 C (0.5 F) | 15 | 10 of 100 (Routine) |
| 2026-10-10 | Shimonoseki | Record high minimum temperature (provisional) | 22.9 C (73.2 F) | 0.5 C (0.9 F) | 0 | 8 of 100 (Routine) |
| 2026-10-10 | Saga | Record high minimum temperature (provisional) | 22.1 C (71.8 F) | 0.2 C (0.4 F) | 4 | 8 of 100 (Routine) |
| 2026-10-10 | Hakodate | Record high maximum temperature (tie) (provisional) | 22.6 C (72.7 F) | tie | 73 | 7 of 100 (Routine) |
| 2026-10-10 | Akita | Record high maximum temperature (tie) (provisional) | 23.9 C (75.0 F) | tie | 67 | 6 of 100 (Routine) |
| 2026-10-10 | Iwamizawa | Record high maximum temperature (tie) (provisional) | 22.4 C (72.3 F) | tie | 53 | 5 of 100 (Routine) |
| 2026-10-10 | Busan | Record high minimum temperature (tie) (provisional) | 21.1 C (70.0 F) | tie | 40 | 4 of 100 (Routine) |
| 2026-10-11 | Chuncheon | Record high maximum temperature (provisional) | 28.8 C (83.8 F) | 0.8 C (1.4 F) | 49 | 31 of 100 (Routine) |
| 2026-10-11 | Asahikawa | Record high minimum temperature (provisional) | 11.2 C (52.2 F) | 0.4 C (0.7 F) | 73 | 30 of 100 (Routine) |
| 2026-10-11 | Otaru | Record high minimum temperature (provisional) | 14.6 C (58.3 F) | 1.0 C (1.8 F) | 53 | 26 of 100 (Routine) |
| 2026-10-11 | Fukushima Arpt | Record high minimum temperature (provisional) | 18.4 C (65.1 F) | 1.6 C (2.9 F) | 40 | 23 of 100 (Routine) |
| 2026-10-11 | Hita | Record high minimum temperature (provisional) | 21.4 C (70.5 F) | 0.4 C (0.7 F) | 56 | 23 of 100 (Routine) |
| 2026-10-11 | Izuhara | Record high minimum temperature (provisional) | 23.4 C (74.1 F) | 0.1 C (0.2 F) | 1 | 17 of 100 (Routine) |
| 2026-10-11 | Wonsan | Record high minimum temperature (provisional) | 18.1 C (64.6 F) | 0.9 C (1.6 F) | 28 | 17 of 100 (Routine) |
| 2026-10-11 | Hirado | Record high minimum temperature (provisional) | 22.8 C (73.0 F) | 0.3 C (0.5 F) | 27 | 16 of 100 (Routine) |
| 2026-10-11 | Incheon | Record high minimum temperature (provisional) | 18.9 C (66.0 F) | 0.5 C (0.9 F) | 28 | 16 of 100 (Routine) |
| 2026-10-11 | Incheon | Record high maximum temperature (provisional) | 27.5 C (81.5 F) | 0.3 C (0.5 F) | 28 | 15 of 100 (Routine) |
| 2026-10-11 | Sasebo Reg Met HQ | Record high minimum temperature (provisional) | 23.1 C (73.6 F) | 1.3 C (2.3 F) | 0 | 10 of 100 (Routine) |
| 2026-10-11 | Saga | Record high minimum temperature (provisional) | 23.6 C (74.5 F) | 1.1 C (2.0 F) | 0 | 10 of 100 (Routine) |
| 2026-10-11 | Gangneung | Record high minimum temperature (provisional) | 17.8 C (64.0 F) | 1.2 C (2.2 F) | 0 | 8 of 100 (Routine) |
| 2026-10-11 | Kure Reg Met HQ | Record high maximum temperature (provisional) | 27.6 C (81.7 F) | 0.2 C (0.4 F) | 0 | 7 of 100 (Routine) |
| 2026-10-11 | Iizuka | Record high minimum temperature (provisional) | 21.4 C (70.5 F) | 0.3 C (0.5 F) | 0 | 7 of 100 (Routine) |
| 2026-10-11 | Obihiro | Record high maximum temperature (tie) (provisional) | 23.1 C (73.6 F) | tie | 59 | 6 of 100 (Routine) |
| 2026-10-11 | Yeosu | Record high minimum temperature (provisional) | 21.6 C (70.9 F) | 0.4 C (0.7 F) | 0 | 6 of 100 (Routine) |
| 2026-10-11 | Pohang | Record high minimum temperature (provisional) | 20.7 C (69.3 F) | 0.1 C (0.2 F) | 0 | 5 of 100 (Routine) |
| 2026-10-12 | Ulleungdo | Record high minimum temperature (provisional) | 20.1 C (68.2 F) | 2.2 C (4.0 F) | 40 | 27 of 100 (Routine) |
| 2026-10-12 | Mokpo | Record high minimum temperature (provisional) | 21.3 C (70.3 F) | 1.3 C (2.3 F) | 40 | 26 of 100 (Routine) |
| 2026-10-12 | Busan | Record high minimum temperature (provisional) | 22.1 C (71.8 F) | 1.8 C (3.2 F) | 40 | 22 of 100 (Routine) |
| 2026-10-12 | Chuncheon | Record high minimum temperature (provisional) | 17.9 C (64.2 F) | 2.2 C (4.0 F) | 40 | 21 of 100 (Routine) |
| 2026-10-12 | Obihiro | Record high minimum temperature (provisional) | 13.7 C (56.7 F) | 0.6 C (1.1 F) | 40 | 20 of 100 (Routine) |
| 2026-10-12 | Tomakomai | Record high minimum temperature (provisional) | 16.1 C (61.0 F) | 0.8 C (1.4 F) | 40 | 20 of 100 (Routine) |
| 2026-10-12 | Wonsan | Record high minimum temperature (provisional) | 18.2 C (64.8 F) | 0.6 C (1.1 F) | 28 | 16 of 100 (Routine) |
| 2026-10-12 | Preobrazhenie | Record high minimum temperature (provisional) | 13.1 C (55.6 F) | 0.6 C (1.1 F) | 24 | 15 of 100 (Routine) |
| 2026-10-12 | Gangneung | Record high minimum temperature (provisional) | 18.6 C (65.5 F) | 3.0 C (5.4 F) | 0 | 13 of 100 (Routine) |
| 2026-10-12 | Chuncheon | Record high maximum temperature (provisional) | 28.4 C (83.1 F) | 1.5 C (2.7 F) | 12 | 12 of 100 (Routine) |
| 2026-10-12 | Incheon | Record high maximum temperature (provisional) | 28.2 C (82.8 F) | 0.7 C (1.3 F) | 12 | 11 of 100 (Routine) |
| 2026-10-12 | Sasebo Reg Met HQ | Record high minimum temperature (provisional) | 23.4 C (74.1 F) | 0.5 C (0.9 F) | 0 | 8 of 100 (Routine) |
| 2026-10-12 | Yeosu | Record high minimum temperature (provisional) | 21.1 C (70.0 F) | 0.7 C (1.3 F) | 0 | 7 of 100 (Routine) |
| 2026-10-12 | Pohang | Record high minimum temperature (tie) (provisional) | 21.2 C (70.2 F) | tie | 4 | 4 of 100 (Routine) |
| 2026-10-12 | Hitoyoshi | Record high minimum temperature (tie) (provisional) | 21.4 C (70.5 F) | tie | 27 | 3 of 100 (Routine) |
| 2026-10-12 | Shimonoseki | Record high maximum temperature (tie) (provisional) | 28.1 C (82.6 F) | tie | 0 | 1 of 100 (Routine) |