Eureka, CA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Eureka now
Loading the National Weather Service forecast…
Eureka weather by the hour
Eureka weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Eureka.
This week in Eureka
Sunrise, sunset and moon in Eureka
What is the weather usually like in Eureka?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 64°F average high
- Decembercoldest month · 40°F average low
- 40.4 inprecipitation per year · 1,026 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Eureka: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station EUREKA WFO WOODLEY ISLAND, CA US (USW00024213), adjusted for the elevation of Eureka.
Eureka weather month by month
Sunrise and sunset in Eureka through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:36 AM | 5:15 PM | 9 h 38 min |
| February | 7:08 AM | 5:52 PM | 10 h 44 min |
| March | 7:26 AM | 7:24 PM | 11 h 58 min |
| April | 6:35 AM | 7:57 PM | 13 h 21 min |
| May | 5:57 AM | 8:28 PM | 14 h 31 min |
| June | 5:42 AM | 8:51 PM | 15 h 8 min |
| July | 5:56 AM | 8:48 PM | 14 h 51 min |
| August | 6:25 AM | 8:16 PM | 13 h 50 min |
| September | 6:56 AM | 7:27 PM | 12 h 30 min |
| October | 7:26 AM | 6:37 PM | 11 h 10 min |
| November | 7:02 AM | 4:59 PM | 9 h 57 min |
| December | 7:32 AM | 4:51 PM | 9 h 19 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Eureka?
Eureka has a warm-summer mediterranean climate. The warmest month is August, with an average high of 64°F (18°C), and the coldest is December, with average lows of 40°F (4°C).
It gets about 40.4 inches (1,026 mm) of precipitation a year. The wettest month is December and the driest is July.
The best time to visit Eureka is June to September. At 39 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Eureka
Weather in towns near Eureka
Questions about the weather in Eureka
What is the hottest month in Eureka?
August, with an average high of 64°F (18°C).
What is the coldest month in Eureka?
December, with an average low of 40°F (4°C).
How much does it rain in Eureka?
About 40.4 inches (1,026 mm) a year; the wettest month is December.
Does it snow in Eureka?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Eureka?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Eureka have?
Warm-summer mediterranean (Köppen Csb).
What is the weather like in Eureka in November?
Highs average 58°F and lows 43°F, with about 4.9 inches of precipitation.
What time is sunrise in Eureka?
Around 7:02 AM in mid-November, and sunset around 4:59 PM. Today’s exact times are shown above.
Where does this Eureka weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Eureka.
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