Bloomington (IL)
October
Weather in Bloomington, Illinois for October 2026
Your guide to Bloomington weather in October - trends and predictions
In general, the average temperature in Bloomington at the beginning of October is 27.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.3 °F by the end of October.
With an average of 4 rainy days, Bloomington experiences minimal rainfall in October.
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Temperatures
Rain 🌧️
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27
Dry days
4
Rainy days
0
Snow days
19°/9°
Temperatures
21 km/h
Avg max wind
67 %
Avg humidity
Bloomington Weather October
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Temperatures trend during October in Bloomington
See the weather trend as well as the moving average line
October weather in Bloomington day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Overcast | 26° /13° | 0 mm | 2 | |
| Oct. 2 |  Partly cloudy | 30° /17° | 0 mm | 4 | |
| Oct. 3 |  Cloudy | 29° /16° | 0 mm | 4 | |
| Oct. 4 |  Sunny | 30° /17° | 0 mm | 4 | |
| Oct. 5 | Sunny | 27° /14° | 0 mm | 4 | |
| Oct. 6 |  Light rain shower | 27° /16° | 10.5 mm | 4 | |
| Oct. 7 |  Moderate rain | 21° /10° | 6.1 mm | 2 | |
| Oct. 8 | Sunny | 20° /5° | 0 mm | 4 | |
| Oct. 9 | Sunny | 20° /3° | 0 mm | 4 | |
| Oct. 10 | Cloudy | 18° /4° | 0 mm | 3 | |
| Oct. 11 |  Mist | 21° /10° | 0 mm | 4 | |
| Oct. 12 | Mist | 20° /7° | 0 mm | 3 | |
| Oct. 13 | Overcast | 21° /11° | 0 mm | 2 | |
| Oct. 14 | Sunny | 26° /12° | 0 mm | 3 | |
| Oct. 15 | Overcast | 17° /14° | 0 mm | 1 | |
| Oct. 16 | Overcast | 20° /13° | 0 mm | 3 | |
| Oct. 17 | Overcast | 22° /13° | 0 mm | 2 | |
| Oct. 18 |  Moderate or heavy rain shower | 24° /16° | 14.4 mm | 2 | |
| Oct. 19 |  Light rain | 16° /9° | 16.2 mm | 2 | |
| Oct. 20 | Sunny | 20° /3° | 0 mm | 3 | |
| Oct. 21 | Partly cloudy | 14° /7° | 0 mm | 3 | |
| Oct. 22 | Sunny | 15° /3° | 0 mm | 2 | |
| Oct. 23 | Sunny | 13° /1° | 0 mm | 2 | |
| Oct. 24 | Sunny | 14° /1° | 0 mm | 2 | |
| Oct. 25 | Overcast | 11° /7° | 0 mm | 0 | |
| Oct. 26 | Overcast | 15° /9° | 0 mm | 1 | |
| Oct. 27 | Cloudy | 16° /4° | 0 mm | 2 | |
| Oct. 28 | Overcast | 11° /8° | 0 mm | 0 | |
| Oct. 29 | Overcast | 10° /7° | 0 mm | 0 | |
| Oct. 30 | Overcast | 9° /5° | 0 mm | 0 | |
| Oct. 31 | Overcast | 14° /3° | 0 mm | 2 | |
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Important Notice
Our weather forecast for Bloomington 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 Bloomington forecast closer to your planned date for the most up-to-date weather information.
Change Month
Bloomington in October - FAQ
What are the expected maximum and minimum temperatures in Bloomington during October?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Bloomington during October?
In October, Bloomington can expect light to moderate rainfall, totaling 47.2 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Bloomington during October?
The average wind speed in Bloomington during October is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Bloomington
Explore the daily rainfall trends and prepare for Bloomingtons October weather 💧
Typically, Bloomington has 4 rainy days in October with a total of 47.2 mm of rainfall.
UV exposure in Bloomington during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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