Eureka area has 98 places on myweatherrock (84 census-designated places, 14 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 117°F at Ukiah Muni Ap on September 6, 2022. The coldest night is 4°F at Trinity Rvr Hatchery on December 22, 1990. The wettest day brought 11.04 inches of rain at Gasquet Rs on February 18, 1986. The biggest single-day snow measured 30 inches at Dunsmuir Trtmt Pl on February 24, 2023. Those are station measurements from NOAA's daily records, 1895 to 2026, not official state records. By area the largest place is Hayfork, about 72 square miles.
About Eureka area weather
The map on the Now tab shows every Eureka area town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.
What the weather is usually like
Across the 81 Eureka area towns with station normals, the warmest month is August, when the day usually reaches 78°F, and the coldest is December, when the night usually falls to 38°F. December is the wettest, with rain on about 15 days. August afternoons run from about 63°F in Bertsch-Oceanview to 93°F in Boonville. December nights run from about 30°F in Coffee Creek to 42°F in Bertsch-Oceanview.
Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.
Where these numbers come from
Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
Warnings and alerts: the National Weather Service, passed through unchanged.
Eureka area weather records
Hottest day
117°F
Ukiah Muni Ap, September 6, 2022
Coldest night
4°F
Trinity Rvr Hatchery, December 22, 1990
Wettest day
11.04 in
Gasquet Rs, February 18, 1986
Biggest snow
30 in
Dunsmuir Trtmt Pl, February 24, 2023
Measured at the NOAA stations serving these towns, daily records 1895 to 2026. Station extremes, not official state records.
Common questions about Eureka area weather
What is the hottest temperature recorded at a Eureka area station?
117°F at Ukiah Muni Ap on September 6, 2022, in the NOAA daily station records myweatherrock holds (1895 to 2026).
What is the coldest temperature recorded at a Eureka area station?
4°F at Trinity Rvr Hatchery on December 22, 1990.
What is the most rain a Eureka area station has measured in one day?
11.04 inches at Gasquet Rs on February 18, 1986.
What is the biggest one-day snowfall at a Eureka area station?
30 inches at Dunsmuir Trtmt Pl on February 24, 2023.
How many Eureka area towns have a weather page here?
98: 84 census-designated places, 14 cities. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.
Where does the Eureka area forecast come from?
NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
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