What is the long range weather forecast for Your Region?

The Old Farmer's Almanac provides a 60-day extended weather forecast for Your Region. This includes temperature trends, precipitation predictions, and seasonal weather patterns based on our traditional forecasting methods combined with modern meteorological science.

How accurate is the Almanac long range weather forecast?

The Old Farmer's Almanac claims an 80% accuracy rate for its long range forecasts. Our forecasting method uses a secret formula that considers sunspot activity, tidal action, and other factors along with current meteorological conditions.

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Long-Range Weather Forecast for Desert Southwest

60-Day Weather Forecast

September 2026 Long Range Weather Forecast for Desert Southwest
Dates	Weather Conditions
Sep 1-3	A few t-storms, cool east; sunny, warm west
Sep 4-13	Sunny, warm
Sep 14-22	Isolated t-storms, then sunny; very warm
Sep 23-26	Rainy periods, cool
Sep 27-30	Sunny, cool
September	temperature 81° (1° above avg.) precipitation 1" (avg.)

October 2026 Long Range Weather Forecast for Desert Southwest
Dates	Weather Conditions
Oct 1-4	A few showers east, sunny west; warm
Oct 5-10	Sunny; warm east, cool west
Oct 11-15	Sunny, then isolated showers; cool east, warm west
Oct 16-31	Sunny; cool, then turning warm
October	temperature 68.5° (0.5° below avg.) precipitation 0.5" (0.5" below avg.)

Map showing Old Farmer's Almanac long range weather region number 14

12-Month Long-Range Weather Outlook

November 2025 to October 2026

Winter will be warmer than normal, with above-normal precipitation in the east and below-normal west. The coldest periods will be in mid-November, early December, and late January. Snowfall will be above normal in the east and near normal west in areas that usually receive snow, with the snowiest periods in early December and early to mid-January. April and May will be warmer than normal, with above-normal rainfall in the east and below-normal west. Summer will be hotter than usual, with the hottest periods in early to mid-June and mid-July. It will be wetter than normal in the east and drier west. September and October will be warmer and drier than normal.

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

Weather Trend Graph

November 2025 to October 2026