Peoria (IL)
October
Weather in Peoria, Illinois for October 2025
Your guide to Peoria weather in October - trends and predictions
Until now, October 2025 in Peoria is slightly cooler than the historical average by -0.6 °F.
In general, the average temperature in Peoria at the beginning of October is 26.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.6 °F by the end of October.
With an average of 2 rainy days, Peoria experiences minimal rainfall in October.
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Temperatures
Rain 🌧️
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29
Dry days
2
Rainy days
0
Snow days
21°/8°
Temperatures
24 km/h
Avg max wind
60 %
Avg humidity
Peoria Weather October
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Temperatures trend during October in Peoria
See the weather trend as well as the moving average line
October weather in Peoria day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Fog | 25° /11° | 0 mm | 6 | |
| Oct. 2 |  Sunny | 27° /11° | 0 mm | 7 | |
| Oct. 3 | Sunny | 28° /11° | 0 mm | 7 | |
| Oct. 4 |  Overcast | 26° /15° | 0 mm | 7 | |
| Oct. 5 |  Partly cloudy | 30° /15° | 0 mm | 8 | |
| Oct. 6 | Sunny | 27° /14° | 5.1 mm | 6 | |
| Oct. 7 | Sunny | 20° /6° | 5.2 mm | 6 | |
| Oct. 8 | Sunny | 22° /5° | 0 mm | 6 | |
| Oct. 9 | Sunny | 23° /5° | 0 mm | 6 | |
| Oct. 10 | Fog | 21° /5° | 0 mm | 5 | |
| Oct. 11 | Sunny | 26° /10° | 0 mm | 6 | |
| Oct. 12 |  Thundery outbreaks possible | 25° /10° | 0 mm | 6 | |
| Oct. 13 | Mist | 20° /12° | 0 mm | 5 | |
| Oct. 14 | Overcast | 17° /11° | 0 mm | 4 | |
| Oct. 15 | Partly cloudy | 16° /8° | 0 mm | 4 | |
| Oct. 16 | Mist | 19° /5° | 0 mm | 5 | |
| Oct. 17 | Sunny | 21° /7° | 0 mm | 5 | |
| Oct. 18 | Sunny | 23° /8° | 3.6 mm | 6 | |
| Oct. 19 | Sunny | 20° /7° | 17.2 mm | 5 | |
| Oct. 20 | Sunny | 23° /4° | 0 mm | 7 | |
| Oct. 21 | Sunny | 20° /7° | 0 mm | 5 | |
| Oct. 22 | Overcast | 20° /6° | 0 mm | 5 | |
| Oct. 23 | Overcast | 16° /4° | 0 mm | 4 | |
| Oct. 24 |  Cloudy | 16° /1° | 0 mm | 5 | |
| Oct. 25 |  Moderate or heavy rain shower | 16° /10° | 4 mm | 4 | |
| Oct. 26 | Cloudy | 16° /8° | 0 mm | 4 | |
| Oct. 27 | Partly cloudy | 17° /4° | 0 mm | 5 | |
| Oct. 28 | Overcast | 14° /6° | 0 mm | 4 | |
| Oct. 29 | Cloudy | 18° /12° | 0 mm | 5 | |
| Oct. 30 | Overcast | 16° /11° | 0 mm | 4 | |
| Oct. 31 | Partly cloudy | 12° /3° | 0 mm | 0.6 | |
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Important Notice
Our weather forecast for Peoria 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 Peoria forecast closer to your planned date for the most up-to-date weather information.
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Peoria in October - FAQ
What are the expected maximum and minimum temperatures in Peoria during October?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Peoria during October?
Expect minimal rainfall in Peoria during October, with a total of 11.6 mm over approximately 2 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Peoria during October?
The average wind speed in Peoria during October is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Peoria
Explore the daily rainfall trends and prepare for Peorias October weather 💧
UV exposure in Peoria during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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