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Weather in Eureka for January 2026

Your guide to Eureka weather in January - trends and predictions

    Snow Forecast ❄️

  • With an average of 3 snowy days, Eureka usually enjoys a light touch of snow in January.

    • Temperatures

  • In general, the average temperature in Eureka at the beginning of January is 0.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 6 °F by the end of January.

    • Rain 🌧️

  • With an average of 3 rainy days, Eureka experiences minimal rainfall in January.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
25
Dry days
Average rainy days
3
Rainy days
Average snowy days
3
Snow days
Average temperatures
1°/-5°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Eureka Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
5°
2
Overcast
6°
3
Overcast
4°
4
Overcast
0°
5
Ice pellets
-1°
6
Moderate snow
-3°
7
Freezing fog
-5°
8
Freezing fog
-7°
9
Partly cloudy
3°
10
Moderate snow
0°
11
Overcast
1°
12
Fog
0°
13
Partly cloudy
-2°
14
Cloudy
0°
15
Sunny
1°
16
Overcast
0°
17
Freezing fog
5°
18
Overcast
4°
19
Overcast
-5°
20
Partly cloudy
-6°
21
Sunny
-9°
22
Overcast
2°
23
Overcast
-2°
24
Sunny
0°
25
Cloudy
5°
26
Overcast
0°
27
Sunny
8°
28
Sunny
7°
29
Cloudy
7°
30
Moderate or heavy rain with thunder
7°
31
Overcast
8°
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Access Eureka weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Temperatures trend during January in Eureka

See the weather trend as well as the moving average line

January weather day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Overcast
Overcast
 5° /0° 0 mm 0 cm
Jan. 2 Overcast
Overcast
 6° /0° 0 mm 0 cm
Jan. 3 Overcast
Overcast
 4° /-1° 0 mm 0 cm
Jan. 4 Overcast
Overcast
 0° /-3° 0 mm 0 cm
Jan. 5 Ice pellets
Ice pellets
 -1° /-3° 81.3 mm 58.8 cm
Jan. 6 Moderate snow
Moderate snow
 -3° /-9° 20.5 mm 14.8 cm
Jan. 7 Freezing fog
Freezing fog
 -5° /-18° 0 mm 0 cm
Jan. 8 Freezing fog
Freezing fog
 -7° /-19° 0 mm 0 cm
Jan. 9 Partly cloudy
Partly cloudy
 3° /-7° 0 mm 0 cm
Jan. 10 Moderate snow
Moderate snow
 0° /-2° 12.7 mm 9.2 cm
Jan. 11 Overcast
Overcast
 1° /-3° 0 mm 0 cm
Jan. 12 Fog
Fog
 0° /-3° 0 mm 0 cm
Jan. 13 Partly cloudy
Partly cloudy
 -2° /-6° 0 mm 0 cm
Jan. 14 Cloudy
Cloudy
 0° /-6° 0 mm 0 cm
Jan. 15 Sunny
Sunny
 1° /-9° 0 mm 0 cm
Jan. 16 Overcast
Overcast
 0° /-1° 0 mm 0 cm
Jan. 17 Freezing fog
Freezing fog
 5° /-2° 18.7 mm 0 cm
Jan. 18 Overcast
Overcast
 4° /-6° 9 mm 0 cm
Jan. 19 Overcast
Overcast
 -5° /-11° 0 mm 0 cm
Jan. 20 Partly cloudy
Partly cloudy
 -6° /-13° 0 mm 0 cm
Jan. 21 Sunny
Sunny
 -9° /-13° 0 mm 0 cm
Jan. 22 Overcast
Overcast
 2° /-11° 0 mm 0 cm
Jan. 23 Overcast
Overcast
 -2° /-6° 0 mm 0 cm
Jan. 24 Sunny
Sunny
 0° /-10° 0 mm 0 cm
Jan. 25 Cloudy
Cloudy
 5° /-2° 0 mm 0 cm
Jan. 26 Overcast
Overcast
 0° /-3° 0 mm 0 cm
Jan. 27 Sunny
Sunny
 8° /-4° 0 mm 0 cm
Jan. 28 Sunny
Sunny
 7° /0° 0 mm 0 cm
Jan. 29 Cloudy
Cloudy
 7° /1° 0 mm 0 cm
Jan. 30 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 7° /4° 12.6 mm 0 cm
Jan. 31 Overcast
Overcast
 8° /3° 0 mm 0 cm
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Important Notice
Our weather forecast for Eureka in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Eureka forecast closer to your planned date for the most up-to-date weather information.

Eureka in January - FAQ

What are the expected maximum and minimum temperatures in Eureka during January?
Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Eureka during January?
Significant rainfall exceeding 155 mm is expected in Eureka during January, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Eureka in January 2026?
Eureka experiences an average snowfall of 82.8 cm during January, occurring over 3 days.
What are the typical wind conditions in Eureka during January?
The average wind speed in Eureka during January is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

Eureka snow forecast January 2026

Track daily snowfall levels and discover Eureka’s snowy potential this January ❄️

January rainfall patterns in Eureka

Explore the daily rainfall trends and prepare for Eurekas January weather 💧

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Location coordinates Where is Eureka?

Get accurate weather forecasts for Eureka, located at latitude 38.503 and longitude -90.628. Stay updated with localized weather information tailored for Eureka.

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