60-Day Extended Weather Forecast for Santa Clara, CA

Free 2-Month Weather Forecast

December 2025 Long Range Weather Forecast for Pacific Southwest
DatesWeather Conditions
Dec 1-13Sunny; cool, then warm
Dec 14-16A few showers north, sunny south; warm
Dec 17-25Sunny; mild north, very warm south
Dec 26-31A few showers, mild
Decembertemperature 57.5° (1° above avg. north, 4° above south)
precipitation 0.5" (1.5" below avg.)
January 2026 Long Range Weather Forecast for Pacific Southwest
DatesWeather Conditions
Jan 1-5Sunny, cool north; a few showers, warm south
Jan 6-14Showers north, sunny south; warm
Jan 15-18Rainy, then sunny; turning chilly
Jan 19-23Rainy periods, some heavy; cool
Jan 24-31Sunny, cool
Januarytemperature 58° (2° above avg.)
precipitation 3" (1" above avg. north, 1" below south)
Map showing Old Farmer's Almanac long range weather region number 16

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

November 2025 to October 2026

Winter will be warmer and drier than normal, with below-normal mountain snows. The coldest temperatures will occur in late January and late February. The stormiest periods will be in late November, mid-January, and late February. April and May will be warmer than normal with below-normal rainfall. Summer will be hotter and drier than normal, with the hottest periods in early and late June and mid- to late August. September and October will be cooler than normal, with above-normal rainfall in the north and below-normal south.

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

Weather Trend Graph

November 2025 to October 2026

Weather Trend Graph for Pacific Southwest