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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 25.1 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 22.7 °F by the end of October.

    • Rain 🌧️

  • Precipitation in Eureka during October is a rare event, with an average of fewer than 2 rainy days.

    • More

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Average dry days
30
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/11°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
57 %
Avg humidity

Eureka Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Fog
24°
2
Sunny
22°
3
Sunny
24°
4
Overcast
29°
5
Sunny
31°
6
Sunny
27°
7
Sunny
19°
8
Sunny
22°
9
Sunny
25°
10
Sunny
27°
11
Sunny
29°
12
Partly cloudy
32°
13
Thundery outbreaks possible
26°
14
Partly cloudy
14°
15
Overcast
14°
16
Sunny
16°
17
Sunny
18°
18
Sunny
19°
19
Sunny
23°
20
Sunny
24°
21
Sunny
23°
22
Partly cloudy
26°
23
Sunny
20°
24
Cloudy
19°
25
Thundery outbreaks possible
26°
26
Partly cloudy
20°
27
Overcast
17°
28
Overcast
23°
29
Cloudy
28°
30
Overcast
24°
31
Moderate or heavy rain shower
21°
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 Fog
Fog
 24° /15° 0 mm 5
Oct. 2 Sunny
Sunny
 22° /7° 0 mm 6
Oct. 3 Sunny
Sunny
 24° /9° 0 mm 6
Oct. 4 Overcast
Overcast
 29° /15° 0 mm 6
Oct. 5 Sunny
Sunny
 31° /16° 0 mm 8
Oct. 6 Sunny
Sunny
 27° /18° 0 mm 7
Oct. 7 Sunny
Sunny
 19° /9° 0 mm 5
Oct. 8 Sunny
Sunny
 22° /7° 0 mm 6
Oct. 9 Sunny
Sunny
 25° /9° 0 mm 7
Oct. 10 Sunny
Sunny
 27° /12° 0 mm 7
Oct. 11 Sunny
Sunny
 29° /13° 0 mm 7
Oct. 12 Partly cloudy
Partly cloudy
 32° /17° 0 mm 8
Oct. 13 Thundery outbreaks possible
Thundery outbreaks possible
 26° /16° 0 mm 6
Oct. 14 Partly cloudy
Partly cloudy
 14° /6° 0 mm 4
Oct. 15 Overcast
Overcast
 14° /7° 0 mm 3
Oct. 16 Sunny
Sunny
 16° /1° 0 mm 5
Oct. 17 Sunny
Sunny
 18° /4° 0 mm 5
Oct. 18 Sunny
Sunny
 19° /6° 0 mm 5
Oct. 19 Sunny
Sunny
 23° /7° 0 mm 6
Oct. 20 Sunny
Sunny
 24° /8° 0 mm 6
Oct. 21 Sunny
Sunny
 23° /11° 0 mm 6
Oct. 22 Partly cloudy
Partly cloudy
 26° /11° 0 mm 7
Oct. 23 Sunny
Sunny
 20° /13° 0 mm 6
Oct. 24 Cloudy
Cloudy
 19° /10° 0 mm 4
Oct. 25 Thundery outbreaks possible
Thundery outbreaks possible
 26° /16° 0 mm 6
Oct. 26 Partly cloudy
Partly cloudy
 20° /12° 0 mm 6
Oct. 27 Overcast
Overcast
 17° /8° 0 mm 4
Oct. 28 Overcast
Overcast
 23° /9° 0 mm 5
Oct. 29 Cloudy
Cloudy
 28° /20° 0 mm 6
Oct. 30 Overcast
Overcast
 24° /19° 0 mm 5
Oct. 31 Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /11° 21.8 mm 5
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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?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Eureka during October?
In October, Eureka can expect light to moderate rainfall, totaling 21.8 mm across approximately 1 days. Occasional showers are possible, and planning ahead for them could be helpful.
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 💧

UV exposure in Eureka during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️

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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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