Weather in Williamson County, Illinois for November 2026
Snowfall in Williamson County during November is quite rare, with fewer than 2 snowy days on average.
According to Williamson County snow forecast for November 2026, no snow is expected in the next 2 weeks.The forecast for the upcoming days in Williamson County predicts a temperature of 16.4 °C, which is slightly above the historical average.
In general, the average temperature in Williamson County at the beginning of November is 18.5 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 7.8 °C by the end of November.
Williamson County experiences moderate rainfall in November, with an average of 8 rainy days and a total precipitation of 175.4 mm.
Is November a good time to visit Williamson County? check out the best time to travel to Williamson County page.
✨ Is November a good time to visit Williamson County? – Ask the AI Weatherman
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Williamson County Weather November
Temperatures trend during November in Williamson County
November weather in Williamson County day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Nov. 1 | Patchy rain possible | 14° /8° | 1.5 mm | 0 cm | |
| Nov. 2 | Sunny | 17° /8° | 0.2 mm | 0 cm | |
| Nov. 3 | Light rain | 20° /9° | 6.7 mm | 0 cm | |
| Nov. 4 | Light rain | 19° /11° | 8.5 mm | 0 cm | |
| Nov. 5 | Sunny | 20° /9° | 0 mm | 0 cm | |
| Nov. 6 | Sunny | 14° /5° | 0 mm | 0 cm | |
| Nov. 7 | Sunny | 13° /2° | 0 mm | 0 cm | |
| Nov. 8 | Sunny | 17° /4° | 0 mm | 0 cm | |
| Nov. 9 | Sunny | 20° /7° | 0 mm | 0 cm | |
| Nov. 10 | Sunny | 20° /8° | 0 mm | 0 cm | |
| Nov. 11 | Partly cloudy | 19° /9° | 0 mm | 0 cm | |
| Nov. 12 | Sunny | 16° /6° | 0 mm | 0 cm | |
| Nov. 13 | Sunny | 10° /3° | 0 mm | 0 cm | |
| Nov. 14 | Sunny | 12° /2° | 0 mm | 0 cm | |
| Nov. 15 | Partly cloudy | 17° /6° | 0 mm | 0 cm | |
| Nov. 16 | Sunny | 17° /8° | 0 mm | 0 cm | |
| Nov. 17 | Sunny | 17° /6° | 0 mm | 0 cm | |
| Nov. 18 | Overcast | 17° /9° | 0 mm | 0 cm | |
| Nov. 19 | Patchy rain possible | 17° /12° | 0.4 mm | 0 cm | |
| Nov. 20 | Heavy rain | 12° /9° | 63.6 mm | 0 cm | |
| Nov. 21 | Light rain | 12° /7° | 3.8 mm | 0 cm | |
| Nov. 22 | Light rain | 10° /5° | 8.1 mm | 0 cm | |
| Nov. 23 | Overcast | 8° /4° | 0 mm | 0 cm | |
| Nov. 24 | Light rain | 11° /3° | 8.3 mm | 0 cm | |
| Nov. 25 | Moderate or heavy rain shower | 15° /8° | 5 mm | 0 cm | |
| Nov. 26 | Sunny | 9° /1° | 0 mm | 0 cm | |
| Nov. 27 | Patchy rain possible | 8° /2° | 1.7 mm | 0 cm | |
| Nov. 28 | Light rain | 7° /-1° | 6.5 mm | 0 cm | |
| Nov. 29 | Moderate snow | 4° /-1° | 30 mm | 7.8 cm | |
| Nov. 30 | Patchy rain possible | 3° /-2° | 1.5 mm | 0 cm | |
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