60-Day Extended Weather Forecast for Hawaii

Free 2-Month Weather Forecast

September 2025 Long Range Weather Forecast for Hawaii
DatesWeather Conditions
Sep 1-8Scattered showers, warm
Sep 9-11Rain, heavy W; mild
Sep 12-14Heavy rain E, sunny C&W; warm
Sep 15-22Isolated showers E, sunny C&W; hot
Sep 23-25Tropical storm threat
Sep 26-30Showers, warm
Septembertemperature 81° (0.5° below avg.)
precipitation 3.3" (4" above avg. E&W, 0.5" below C)
October 2025 Long Range Weather Forecast for Hawaii
DatesWeather Conditions
Oct 1-5Showers, warm
Oct 6-16Showers E&W, sunny C; warm
Oct 17-24Daily showers, mild
Oct 25-31Sunny, mild
Octobertemperature 79° (1° below avg.)
precipitation 1" (1" below avg.)

The 12-Month Long-Range Weather Report From The 2025 Old Farmer's Almanac

November 2025 to October 2026

Winter will be warmer than normal, with the coolest periods in late November, late January into early February, and mid-March. Rainfall will be below normal with the stormiest periods in early and late November, early December, mid-February, and mid- to late March. April and May will be warmer than normal, with below-normal rainfall in the east and above-normal central and west. Summer will be warmer than usual, with the hottest periods in mid- to late June and mid-August. Rainfall will be below normal in the east, above normal central and west. September and October will be cooler than normal, with the hottest period in early to mid-September. Rainfall will be above normal. Watch for a tropical storm in mid-September.

See the complete 12-month weather predictions in The Old Farmer's Almanac.

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