Weather in Joliet, Illinois for October 2026
So far, October 2026 in Joliet is slightly warmer than the historical average by 1 °C.
The forecast for the coming days of October 2026 predicts a temperature of 17.7 °C , which is warmer than usual.
In general, the average temperature in Joliet at the beginning of October is 23.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.6 °C by the end of October.
Joliet experiences moderate rainfall in October, with an average of 7 rainy days and a total precipitation of 82.5 mm.
Is October a good time to visit Joliet? check out the best time to travel to Joliet page.
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Joliet Weather October
Temperatures trend during October in Joliet
October weather in Joliet day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Light rain | 25° /14° | 7.2 mm | 5 | |
| Oct. 2 |  Overcast | 24° /11° | 0.3 mm | 5.1 | |
| Oct. 3 |  Sunny | 25° /10° | 0 mm | 5.1 | |
| Oct. 4 | Overcast | 26° /14° | 0 mm | 5 | |
| Oct. 5 | Light rain | 24° /13° | 8.8 mm | 4.9 | |
| Oct. 6 | Light rain | 22° /11° | 5 mm | 4.8 | |
| Oct. 7 | Light rain | 19° /7° | 3.4 mm | 4.7 | |
| Oct. 8 |  Patchy rain possible | 18° /6° | 0 mm | 4 | |
| Oct. 9 | Sunny | 19° /7° | 0.2 mm | 4 | |
| Oct. 10 | Sunny | 20° /7° | 0 mm | 4 | |
| Oct. 11 | Patchy rain possible | 22° /8° | 1.4 mm | 4 | |
| Oct. 12 | Light rain | 21° /12° | 6.6 mm | 4 | |
| Oct. 13 |  Heavy rain | 19° /12° | 14.8 mm | 4 | |
| Oct. 14 |  Moderate or heavy rain with thunder | 17° /10° | 3.8 mm | 3 | |
| Oct. 15 |  Moderate or heavy rain shower | 14° /9° | 6.8 mm | 2 | |
| Oct. 16 | Overcast | 15° /6° | 0.2 mm | 3 | |
| Oct. 17 | Overcast | 17° /6° | 0 mm | 3.9 | |
| Oct. 18 | Light rain | 20° /6° | 3.7 mm | 3.8 | |
| Oct. 19 | Light rain | 18° /7° | 3.9 mm | 3.7 | |
| Oct. 20 | Patchy rain possible | 19° /6° | 0.1 mm | 3.7 | |
| Oct. 21 | Sunny | 20° /7° | 0 mm | 3.6 | |
| Oct. 22 | Overcast | 18° /5° | 0 mm | 3 | |
| Oct. 23 | Overcast | 18° /5° | 0 mm | 3.5 | |
| Oct. 24 | Overcast | 19° /5° | 0 mm | 3.4 | |
| Oct. 25 | Light rain | 18° /9° | 5.4 mm | 3 | |
| Oct. 26 | Overcast | 18° /9° | 0.3 mm | 3.3 | |
| Oct. 27 | Patchy rain possible | 19° /7° | 1.5 mm | 3.2 | |
| Oct. 28 | Overcast | 16° /5° | 0 mm | 3 | |
| Oct. 29 | Sunny | 20° /11° | 0.9 mm | 2.7 | |
| Oct. 30 | Overcast | 18° /8° | 0.6 mm | 1.3 | |
| Oct. 31 | Light rain | 15° /11° | 7.9 mm | 2.5 | |
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Joliet in October - FAQ
What are the expected maximum and minimum temperatures in Joliet during October?
How much rainfall should be expected in Joliet during October?
What are the typical wind conditions in Joliet during October?
October rainfall patterns in Joliet
UV exposure in Joliet during October
Where is Joliet?Get accurate weather forecasts for Joliet, located at latitude 41.525 and longitude -88.083. Stay updated with localized weather information tailored for Joliet.