2017 Long Range Weather Forecast for San Francisco, CA
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How to Read Long-Range Weather Forecasts
Long-range predictions show weather trends in temperatures and precipitation. For example, will the winter be colder or warmer than average? Will there be more or less snow than what's typical for your area? Our famous predictions (traditionally 80% accurate) are made 18 months in advance, and meant to help you make more informed decisions for long-term planning.
Here on Almanac.com, we provide free long-range forecasts for the next 30 to 60 days covering U.S. and Canadian regions. Find all 12 months of predictions in the annual Old Farmer's Almanac.
Free 2-Month Weather Forecast
JULY 2017: temperature 73° (2° above avg.); precipitation 0.2" (0.2" above avg.); Jul 1-3: Sunny; cool north, warm south; Jul 4-8: Sunny, turning hot; Jul 9-16: Sunny, turning cool inland; A.M. clouds and sprinkles, P.M. sun coast; Jul 17-23: Sunny, turning hot; Jul 24-31: Sunny, warm.
AUGUST 2017: temperature 72° (1° above avg.); precipitation 0.1" (avg.); Aug 1-4: Sunny, warm; Aug 5-11: Scattered showers, then sunny, cool; Aug 12-15: Sunny; warm north, turning hot south; Aug 16-21: Sunny inland; A.M. sprinkles, P.M. sun coast; Aug 22-25: Sunny inland; A.M. sprinkles, P.M. sun coast; seasonable north, hot south; Aug 26-31: Scattered t-storms, seasonable.
Annual Weather Summary: November 2016 to October 2017
Winter temperatures and rainfall will be below normal, with below-normal mountain snows. The stormiest periods will be in late November, mid-December, and mid-January. The coldest temperatures will be in early and late December and mid- to late January.
April and May will be warmer and slightly rainier than normal.
Summer will be hotter than normal, with above-normal rainfall. The hottest periods will be in early and mid- to late July and mid-August.
September and October will be cooler and rainier than normal.
About the Pacific Southwest Region
The Pacific Southwest long range weather region includes all or part of the following states: CALIFORNIA (Long Beach, Los Angeles, San Diego, San Francisco, San Jose).
Pacific Southwest Neighboring Regions
Here are the regions that neighbor the Pacific Southwest long range weather region:
Temperature and Precipitation November 2016 to October 2017
