Eureka (MO)
October
Weather in Eureka, Missouri for October 2026
Your guide to Eureka weather in October - trends and predictions
In general, the average temperature in Eureka at the beginning of October is 26.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.1 °F by the end of October.
Precipitation in Eureka during October is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
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30
Dry days
1
Rainy days
0
Snow days
23°/11°
Temperatures
15 km/h
Avg max wind
56 %
Avg humidity
Eureka Weather October
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Temperatures trend during October in Eureka
See the weather trend as well as the moving average line
October weather in Eureka day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Fog | 26° /16° | 0 mm | 6 | |
| Oct. 2 |  Sunny | 27° /12° | 0 mm | 7 | |
| Oct. 3 | Sunny | 27° /14° | 0 mm | 7 | |
| Oct. 4 |  Overcast | 30° /17° | 0 mm | 7 | |
| Oct. 5 | Sunny | 30° /16° | 0 mm | 8 | |
| Oct. 6 | Sunny | 28° /18° | 0 mm | 7 | |
| Oct. 7 | Sunny | 20° /12° | 0 mm | 5 | |
| Oct. 8 | Sunny | 22° /9° | 0 mm | 6 | |
| Oct. 9 | Sunny | 23° /9° | 0 mm | 7 | |
| Oct. 10 | Sunny | 25° /10° | 1.2 mm | 7 | |
| Oct. 11 | Sunny | 27° /14° | 0 mm | 7 | |
| Oct. 12 |  Partly cloudy | 28° /15° | 0 mm | 7 | |
| Oct. 13 |  Thundery outbreaks possible | 26° /16° | 0 mm | 6 | |
| Oct. 14 | Partly cloudy | 22° /11° | 0 mm | 6 | |
| Oct. 15 | Overcast | 22° /11° | 0 mm | 5 | |
| Oct. 16 | Sunny | 23° /8° | 0 mm | 7 | |
| Oct. 17 | Sunny | 22° /10° | 0 mm | 6 | |
| Oct. 18 | Sunny | 23° /11° | 26.6 mm | 6 | |
| Oct. 19 | Sunny | 21° /8° | 4.2 mm | 5 | |
| Oct. 20 | Sunny | 23° /8° | 0 mm | 6 | |
| Oct. 21 | Sunny | 21° /10° | 0 mm | 6 | |
| Oct. 22 | Partly cloudy | 22° /9° | 0 mm | 6 | |
| Oct. 23 | Sunny | 19° /11° | 0 mm | 5 | |
| Oct. 24 |  Cloudy | 18° /8° | 0 mm | 4 | |
| Oct. 25 | Thundery outbreaks possible | 20° /13° | 0 mm | 5 | |
| Oct. 26 | Partly cloudy | 16° /11° | 22.6 mm | 5 | |
| Oct. 27 | Overcast | 15° /9° | 0 mm | 4 | |
| Oct. 28 | Overcast | 18° /10° | 17.2 mm | 4 | |
| Oct. 29 | Cloudy | 20° /14° | 46.4 mm | 5 | |
| Oct. 30 | Overcast | 17° /12° | 0 mm | 4 | |
| Oct. 31 |  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.
Change Month
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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