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2015 Long-Range Weather Forecast for San Bernardino, California

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(Nov. 2014 - Oct. 2015)

Complete 2015 Long-Range Weather Forecast for the Pacific Southwest Region, November 2014 to October 2015 includes week-by-week details.

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Map showing long-range weather ragion

SEPTEMBER 2015: temperature 71° (1° above avg.); precipitation 0.1" (0.1" below avg.); Sep 1-5: Sunny, hot inland; A.M. clouds, P.M. sun, cool coast; Sep 6-12: Sunny, cool; Sep 13-24: Sunny, turning very warm; Sep 25-30: Scattered showers, then sunny, cool.

OCTOBER 2015: temperature 64° (1° below avg.); precipitation 1" (1" above avg. north, 0.5" below south); Oct 1-10: Sunny, cool; Oct 11-16: Showers, mainly north; cool; Oct 17-22: Sunny, cool; Oct 23-26: Showers north, sunny south; Oct 27-31: Rainy north, showers south; mild.

Annual Weather Summary: November 2014 to October 2015

Winter will be warmer than normal, with the coldest periods in late December and early to mid- and late February. Rainfall will be above normal in the north and below in the south. Mountain snows will be below normal, with the snowiest periods in early to mid-January and mid- to late February.

April and May will be drier than normal, with temperatures near normal in the north and below in the south.

Summer will be cooler than normal, with near-normal rainfall. The hottest periods will be in mid- and late June in the central valley; in mid- to late June, early August, and mid-September near the northern coast; and in late June, early August, and mid- to late September near the southern coast.

September and October will bring near-normal temperatures, with rainfall above normal in the north and below in the south.

Temperature and Precipitation November 2014 to October 2015

Temperature and Precipitation Graph

See Long-Range Weather Forecasts for major cities in California.


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