Search for Other Locations
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
SEPTEMBER 2017: temperature 69° (1° below avg.); precipitation 0.2" (avg.); Sep 1-12: Sunny inland; A.M. sprinkles, P.M. sun coast; cool; Sep 13-17: Sunny, cool; Sep 18-25: Scattered showers north, sunny south; cool; Sep 26-30: Sunny, quite warm.
OCTOBER 2017: temperature 63° (2° below avg.); precipitation 4" north, 0.5" south (2" above avg.); Oct 1-9: Rain north, some heavy; a few showers south; cool; Oct 10-13: Sprinkles north, rain south; cool; Oct 14-18: Sunny, cool; Oct 19-25: Showers, then sunny, cool; Oct 26-31: A few showers, seasonable.
Annual Weather Summary: November 2017 to October 2018
Winter will be cooler than normal, with rainfall above normal in the north and near normal in the south. The coldest periods will occur from late November into early December and in early February. Mountain snows will be above normal, with the stormiest periods in early to mid-November and early and late January. April and May will be slightly drier than normal. Temperatures will be below normal near the coast and above normal inland. Summer will be cooler than normal, with near-normal rainfall. The hottest periods will be from late May into early June and in mid-June and mid-July. September and October will have near-normal temperatures, with rainfall above normal in the north and below normal in the south.
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).