Long-Range Weather Forecast for Union City, CA

June 2026 Long Range Weather Forecast for Pacific Southwest

Dates	Weather Conditions
Jun 1-7	Sunny, warm
Jun 8-15	Sunny, hot
Jun 16-25	Sunny, hot inland; a
Jun m
Jun clouds,	p
Jun m
Jun sun,	warm coast
Jun 26-30	Sunny, hot
June	temperature 74° (5° above avg.) precipitation 0" (0.1" below avg.)

July 2026 Long Range Weather Forecast for Pacific Southwest

Dates	Weather Conditions
Jul 1-5	Sunny; cool north, warm south
Jul 6-11	Sunny; very warm, then cooler
Jul 12-17	Sunny; cool north, warm south
Jul 18-31	Sunny, hot inland; a
Jul m
Jul clouds,	p
Jul m
Jul sun,	warm coast
July	temperature 72.5° (1° below avg. north, 2° above south) precipitation 0" (avg.)

12-Month Long-Range Weather Outlook

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 forecast in The Old Farmer’s Almanac..

Weather Trend Graph

November 2025 to October 2026