Peoria (IL)
October
Weather in Peoria, Illinois for October 2026
Your guide to Peoria weather in October - trends and predictions
In general, the average temperature in Peoria at the beginning of October is 26.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.4 °C by the end of October.
Peoria experiences moderate rainfall in October, with an average of 6 rainy days and a total precipitation of 38.7 mm.
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Temperatures
Rain 🌧️
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25
Dry days
6
Rainy days
0
Snow days
21°/8°
Temperatures
23 km/h
Avg max wind
63 %
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 |  Light rain shower | 18° /8° | 3.6 mm | 4 | |
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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?
In October, Peoria can expect light to moderate rainfall, totaling 38.7 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Peoria during October?
The average wind speed in Peoria during October is 23 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 💧
Typically, Peoria has 6 rainy days in October with a total of 38.7 mm of rainfall.
UV exposure in Peoria during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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