Long-Range Weather Forecast for Big Delta, AK

August 2026 Long Range Weather Forecast for Alaska

Dates	Weather Conditions
Aug 1-15	Showers N+C, rainy periods S; cool
Aug 16-21	Rainy periods P, isolated showers EW; chilly N, very warm EW. 22-31 Rain and snow showers, cold N; sunny, warm C; periods of rain, mild S.
August	temperature 40.5° N, 56° EW (1° below avg.) precipitation 0.5" N, 7.5" S (0.7" below avg. N, 2" above S)

September 2026 Long Range Weather Forecast for Alaska

Dates	Weather Conditions
Sep 1-12	Rain and snow showers N, a few showers C, rainy S; turning cool
Sep 13-18	Flurries N, a few showers EW; chilly
Sep 19-30	Periods of rain and snow N+C, a few showers S; cold
September	temperature 32.5° N, 53° EW (2° below avg.) precipitation 0.5" N, 5" S (0.6" below avg. N, 2.5" below S)

12-Month Long-Range Weather Outlook

November 2025 to October 2026

Winter temperatures will be milder than normal, with the coldest periods occurring in early to mid-December and mid-February. Precipitation and snowfall will be below normal, with the snowiest periods in late November, mid-December, and early February. April and May will be warmer than normal, with above-normal precipitation in the north and below-normal south. Summer will be cooler than normal, with above-normal precipitation. The hottest periods will be in early June and mid-August. September and October will be drier than normal, with below-normal temperatures in the north, above-normal south.

See the complete 12-month weather forecast in The Old Farmer’s Almanac..

Weather Trend Graph

November 2025 to October 2026