Weather in Collin County, Texas for October 2025
Until now, October 2025 in Collin County has been nearly identical to the historical average, with a temperature of 29.1 °F (showing only a slight deviation of -0.5 °F).
The forecast for the next days in Collin County predicts temperatures to be around 20 °F, close to the historical average.
In general, the average temperature in Collin County at the beginning of October is 32.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.3 °F by the end of October.
Collin County experiences moderate rainfall in October, with an average of 9 rainy days and a total precipitation of 146.1 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
Collin County Weather October
Temperatures trend during October in Collin County
October weather in Collin County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 | Sunny | 35° /19° | 0 mm | 8 | |
| Oct. 2 | Partly cloudy | 34° /19° | 0 mm | 8 | |
| Oct. 3 | Sunny | 35° /21° | 0 mm | 8 | |
| Oct. 4 | Sunny | 33° /21° | 5.4 mm | 8 | |
| Oct. 5 | Light rain shower | 30° /19° | 28.1 mm | 7 | |
| Oct. 6 | Partly cloudy | 32° /20° | 0 mm | 8 | |
| Oct. 7 | Partly cloudy | 30° /17° | 0 mm | 7 | |
| Oct. 8 | Sunny | 27° /14° | 14.1 mm | 7 | |
| Oct. 9 | Sunny | 31° /17° | 0 mm | 8 | |
| Oct. 10 | Sunny | 31° /18° | 0 mm | 7 | |
| Oct. 11 | Patchy rain possible | 30° /19° | 0 mm | 7 | |
| Oct. 12 | Partly cloudy | 32° /19° | 0 mm | 7 | |
| Oct. 13 | Patchy rain possible | 33° /20° | 0 mm | 7 | |
| Oct. 14 | Partly cloudy | 28° /15° | 0 mm | 7 | |
| Oct. 15 | Sunny | 28° /14° | 0 mm | 7 | |
| Oct. 16 | Sunny | 24° /11° | 0 mm | 6 | |
| Oct. 17 | Sunny | 27° /12° | 0 mm | 7 | |
| Oct. 18 | Overcast | 28° /15° | 0 mm | 6 | |
| Oct. 19 | Sunny | 26° /13° | 0 mm | 7 | |
| Oct. 20 | Sunny | 31° /13° | 0 mm | 8 | |
| Oct. 21 | Overcast | 29° /16° | 0 mm | 7 | |
| Oct. 22 | Overcast | 30° /16° | 0 mm | 7 | |
| Oct. 23 | Light rain shower | 28° /18° | 9.1 mm | 7 | |
| Oct. 24 | Patchy rain possible | 28° /20° | 0 mm | 6 | |
| Oct. 25 | Overcast | 27° /18° | 135.2 mm | 6 | |
| Oct. 26 | Light rain shower | 27° /20° | 2.1 mm | 6 | |
| Oct. 27 | Light rain shower | 28° /20° | 3.6 mm | 6 | |
| Oct. 28 | Light rain shower | 26° /15° | 8.1 mm | 6 | |
| Oct. 29 | Moderate or heavy rain shower | 21° /11° | 5.4 mm | 5 | |
| Oct. 30 | Sunny | 19° /7° | 0 mm | 1 | |
| Oct. 31 | Sunny | 22° /9° | 0 mm | 1 | |
| Next | |||||
Collin County in October - FAQ
October rainfall patterns in Collin County
UV exposure in Collin County during October
Quick links
Get accurate weather forecasts for Collin County, located at latitude 33.02 and longitude -96.699. Stay updated with localized weather information tailored for Collin County.