2021 Long Range Weather Forecast for Eureka, CA
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
| Dates | Weather Conditions |
|---|---|
| May 1-9 | Showers, then sunny, warm |
| May 10-15 | Sunny, cool |
| May 16-24 | Rainy periods, cool |
| May 25-31 | Sunny, cool |
| May | temperature 54° (1° below avg.) precipitation 1.5" (0.5" below avg.) |
| Dates | Weather Conditions |
|---|---|
| Jun 1-9 | Showers, cool |
| Jun 10-15 | Sunny, warm |
| Jun 16-21 | Showers, then sunny, hot |
| Jun 22-30 | Scattered t-storms; cool, then warm |
| June | temperature 60° (avg.) precipitation 1.5" (avg.) |
Annual Weather Summary
November 2020 to October 2021
November 2020 to October 2021
Winter temperatures and precipitation will be close to normal, on average, with below-normal snowfall. The coldest periods will occur in mid-January and early and late February. The snowiest periods will occur in early December and from mid- to late February. April and May will be slightly cooler and drier than normal. Summer will have slightly above-normal temperatures, on average, with above-normal precipitation. The hottest periods will be in mid-June, mid-July, and mid-August. September and October will be warmer and drier than normal.
About the Pacific Northwest Region
The Pacific Northwest long range weather region includes all or part of the following states: CALIFORNIA (Arcata, Eureka, Fortuna, McKinleyville), OREGON (Beaverton, Eugene, Gresham, Portland, Salem), WASHINGTON (Bellevue, Everett, Seattle, Tacoma, Vancouver).
Pacific Northwest Neighboring Regions
Here are the regions that neighbor the Pacific Northwest long range weather region:
Temperature and Precipitation November 2020 to October 2021
