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Weather in Eureka for October 2025

Your guide to Eureka weather in October - trends and predictions

    Temperatures

  • In general, the average temperature in Eureka at the beginning of October is 16.3 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 13.3 °F by the end of October.

    • Rain 🌧️

  • Eureka experiences moderate rainfall in October, with an average of 6 rainy days and a total precipitation of 100.5 mm.

    • More

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Average dry days
25
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/10°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Eureka in October average weather

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
20°
2
Partly cloudy
16°
3
Sunny
19°
4
Partly cloudy
14°
5
Partly cloudy
16°
6
Thundery outbreaks possible
15°
7
Partly cloudy
14°
8
Mist
14°
9
Fog
13°
10
Mist
13°
11
Overcast
14°
12
Overcast
18°
13
Fog
14°
14
Fog
14°
15
Mist
16°
16
Fog
15°
17
Partly cloudy
14°
18
Partly cloudy
13°
19
Sunny
18°
20
Mist
14°
21
Moderate rain
12°
22
Mist
10°
23
Mist
15°
24
Sunny
15°
25
Cloudy
18°
26
Cloudy
18°
27
Light rain shower
14°
28
Light rain shower
11°
29
Overcast
10°
30
Moderate or heavy rain shower
11°
31
Moderate or heavy rain with thunder
11°
Select a date

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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 October in Eureka

See the weather trend as well as the moving average line

October weather day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
Oct. 1 Sunny
Sunny
 20° /13° 0 mm 6
Oct. 2 Partly cloudy
Partly cloudy
 16° /12° 0 mm 5
Oct. 3 Sunny
Sunny
 19° /11° 0 mm 5
Oct. 4 Partly cloudy
Partly cloudy
 14° /10° 0 mm 4
Oct. 5 Partly cloudy
Partly cloudy
 16° /12° 0 mm 5
Oct. 6 Thundery outbreaks possible
Thundery outbreaks possible
 15° /11° 0 mm 4
Oct. 7 Partly cloudy
Partly cloudy
 14° /10° 0 mm 4
Oct. 8 Mist
Mist
 14° /9° 0 mm 3
Oct. 9 Fog
Fog
 13° /10° 0 mm 3
Oct. 10 Mist
Mist
 13° /10° 0 mm 3
Oct. 11 Overcast
Overcast
 14° /10° 0.5 mm 3
Oct. 12 Overcast
Overcast
 18° /13° 0 mm 4
Oct. 13 Fog
Fog
 14° /13° 0 mm 3
Oct. 14 Fog
Fog
 14° /12° 0 mm 3
Oct. 15 Mist
Mist
 16° /11° 0 mm 4
Oct. 16 Fog
Fog
 15° /11° 0 mm 4
Oct. 17 Partly cloudy
Partly cloudy
 14° /10° 0 mm 4
Oct. 18 Partly cloudy
Partly cloudy
 13° /9° 0 mm 4
Oct. 19 Sunny
Sunny
 18° /10° 0 mm 5
Oct. 20 Mist
Mist
 14° /10° 0 mm 3
Oct. 21 Moderate rain
Moderate rain
 12° /9° 14.3 mm 3
Oct. 22 Mist
Mist
 10° /8° 0 mm 3
Oct. 23 Mist
Mist
 15° /8° 0 mm 4
Oct. 24 Sunny
Sunny
 15° /9° 0 mm 5
Oct. 25 Cloudy
Cloudy
 18° /10° 0 mm 4
Oct. 26 Cloudy
Cloudy
 18° /12° 0.3 mm 4
Oct. 27 Light rain shower
Light rain shower
 14° /9° 11 mm 3
Oct. 28 Light rain shower
Light rain shower
 11° /10° 9.8 mm 3
Oct. 29 Overcast
Overcast
 10° /8° 0 mm 3
Oct. 30 Moderate or heavy rain shower
Moderate or heavy rain shower
 11° /8° 30 mm 3
Oct. 31 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 11° /10° 34.6 mm 3
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Important Notice
Our weather forecast for Eureka in October 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 October - FAQ

What are the expected maximum and minimum temperatures in Eureka during October?
During October, expect a variety of temperatures with highs around 15° and lows near 10°, suitable for diverse activities and preferences.
How much rainfall should be expected in Eureka during October?
Significant rainfall exceeding 100.5 mm is expected in Eureka during October, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Eureka during October?
The average wind speed in Eureka during October is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Eureka

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

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Location coordinates Where is Eureka?

Get accurate weather forecasts for Eureka, located at latitude 40.802 and longitude -124.164. Stay updated with localized weather information tailored for Eureka.

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