2021 Long Range Weather Forecast for Pacific Southwest

Get the Long Range Weather for Your Location

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 2021 Old Farmer’s Almanac, available online and in stores.

Note: Long range forecasts are regional, not city-specific.

Free 2-Month Weather Forecast

March 2021 Long Range Weather Forecast for Pacific Southwest
DatesWeather Conditions
Mar 1-9Showers, then sunny, turning warm
Mar 10-20Showers, then sunny; cool north, warm south
Mar 21-26A few showers north; sunny, mild south
Mar 27-31Rainy periods, cool
Marchtemperature 57.5° (1° below avg. north, 2° above south)
precipitation 0.5" (2" below avg.)

April 2021 Long Range Weather Forecast for Pacific Southwest
DatesWeather Conditions
Apr 1-8Rainy periods, cool
Apr 9-15Scattered showers, cool
Apr 16-24Sunny, turning warm
Apr 25-30Scattered showers, cooler
Apriltemperature 59° (1° below avg.)
precipitation 1.3" (0.5" below avg. north, 1" above south)

Annual Weather Summary
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.

Map showing Old Farmer's Almanac long range weather region number 16

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

Temperature and Precipitation Chart, November 2020 to October 2021 for Pacific Southwest Region

Reader Comments

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Rain South Sacramento

Will South Sacramento get any rain in the 2018 winter season? Also, will the temperatures ever decrease? It is still in the mid-eighties here.

Prospects for November rain on Catalina Island

What are the chances for a wet November for Catalina Island?

Rain wanted!!!

Hi,

I'm dying for it to rain here in the SF Bay Area. I live on the Peninsula in East Palo Alto. I just want rain, I miss it so much and everything is getting so dry. This is my first time at this website. Do you all find that the weather predictions here are accurate? Like its says it will rain in No. CA in early to mid-November. Do you think my wish will come true???

Thanks,
Susan

RE: Rain Wanted

I am with you Susan. We live in Fremont and I am dying for some rain. I really do not like this warm/hot/humid weather we have right now going into November. I want the rain and the cold!

Outdoor fundraising event April 20 or May 4?

I'm concerned about rain on April 20 for an outdoor event. I'm trying to figure out if we should change it to May 4.

April 27th for a wedding in Camarillo

How will the weather be for April 27, 2019 for a wedding in Camarillo, CA?

Weather

There is no way anybody can predict what the weathers going to be that far out. I hope you have a nice wedding though.statistically speaking it should be dry in that area on April 27

Sonoma weather February 3rd

My divorce is final Feb 3rd and I'm planning a big outdoor party. What are the chances of rain?

Really??? "Big outdoor party

Really??? "Big outdoor party" after a divorce? Pathetic.

Bitter sweet.

Pathetic????
You must be his X-Wife.

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