2021 Long Range Weather Forecast for Pacific Southwest
See long range weather forecasts for the next 60 days from The Old Farmer’s Almanac! Our long range forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to sporting events and outdoor activities.
To see long term forecasts for the entire year, pick up a copy of The 2022 Old Farmer’s Almanac, available online and in stores.
Note: Long range forecasts are regional, not city-specific.
Free 2-Month Weather Forecast
| Dates | Weather Conditions |
|---|---|
| Sep 1-4 | Showers, turning cooler |
| Sep 5-16 | Sunny, cool |
| Sep 17-25 | Rainy periods, cool north; sunny, warm south |
| Sep 26-30 | Sunny, warm |
| September | temperature 70° (avg.) precipitation 1.2" (1" above avg.) |
| Dates | Weather Conditions |
|---|---|
| Oct 1-12 | Sunny; hot, then cooler |
| Oct 13-18 | Showers, then sunny, cool |
| Oct 19-24 | Sunny; cool north, warm south |
| Oct 25-31 | Sunny; warm north, hot south |
| October | temperature 68° (1° above avg. north, 5° above south) precipitation 0.5" (avg.) |
Annual Weather Summary
November 2020 to October 2021
November 2020 to October 2021
Winter will be cooler and drier than normal, with below-normal mountain snows. The coldest temperatures will occur in late December, late January, and mid- to late February. The stormiest periods will be from late January into early February, mid- to late February, and late March into early April. April and May will be cooler than normal, with rainfall below normal in the north and above normal in the south. Summer temperatures will be cooler than normal inland and warmer near the coast, with slightly above-normal rainfall. The hottest periods will be in mid-June and mid- to late August. September and October will be warmer 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 2020 to October 2021
