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Eureka weather

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The weather map: all three models at once

NWS, American, European side by side around Eureka and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split

Eureka, CA is at its warmest in Aug (average highs near 66°F) and coldest in Feb (lows around 40°F), with roughly 75 in of precipitation across the year. Below, compare what NWS, American, European forecast for Eureka right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Eureka climate by month

average daytime high and overnight low across a typical year
Jan
55°
43°
Feb
53°
40°
Mar
52°
40°
Apr
55°
43°
May
59°
46°
Jun
60°
48°
Jul
64°
51°
Aug
66°
53°
Sep
65°
52°
Oct
63°
48°
Nov
58°
44°
Dec
57°
44°

Which forecast is most accurate in Eureka?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
84
/100rank #1
80±2.0°F94±1.7 mph8290% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
52
/100rank #2
0±10.2°F92±2.6 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom

The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

Common questions

What's the weather in Eureka today?
On this page we show what NWS, American, European each forecast for Eureka today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Eureka today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Eureka and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Eureka?
Over the last 30 days, the American model has been the most accurate for Eureka (CheckWeather Score 84/100), ahead of the European at 52. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Eureka?
August is typically the warmest month in Eureka, with average highs around 66°F.
How cold does Eureka get?
The coldest month in Eureka is February, when overnight lows average about 40°F.
How much rain does Eureka get?
Eureka sees roughly 75 in of precipitation a year, with January usually the wettest month.

Nearby

BaysideArcataMcKinleyvilleFortunaCrescent CityBrookingsReddingShasta Lake

More US weather

Which forecast is most accurate in United States?US rain radarNWS vs American vs European: models comparedHow we measure forecast accuracyHow accurate is a 7-day forecast?Best time to visit EurekaAll US citiesHoliday weather abroadEmbed Eureka on your siteThe national forecast models, explained: NBM, UKMO, GEM and ACCESS