Prince William County (Haymarket)
October
Weather in Prince William County, Virginia for October 2026
Your guide to Prince William County weather in October - trends and predictions
In general, the average temperature in Prince William County at the beginning of October is 22.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.7 °F by the end of October.
Prince William County experiences moderate rainfall in October, with an average of 8 rainy days and a total precipitation of 382.3 mm.
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Temperatures
Rain 🌧️
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23
Dry days
8
Rainy days
0
Snow days
18°/10°
Temperatures
16 km/h
Avg max wind
68 %
Avg humidity
Prince William County Weather October
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Temperatures trend during October in Prince William County
See the weather trend as well as the moving average line
October weather in Prince William County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Cloudy | 23° /16° | 0 mm | 5 | |
| Oct. 2 | Cloudy | 19° /10° | 0 mm | 5 | |
| Oct. 3 |  Partly cloudy | 20° /12° | 0 mm | 5 | |
| Oct. 4 |  Mist | 25° /9° | 0 mm | 5 | |
| Oct. 5 | Mist | 25° /12° | 0 mm | 4 | |
| Oct. 6 |  Overcast | 23° /15° | 0 mm | 3 | |
| Oct. 7 | Overcast | 25° /15° | 0.1 mm | 4 | |
| Oct. 8 |  Heavy rain | 21° /15° | 95.9 mm | 3 | |
| Oct. 9 |  Sunny | 19° /9° | 0 mm | 4 | |
| Oct. 10 | Overcast | 15° /4° | 0 mm | 4 | |
| Oct. 11 |  Moderate rain at times | 18° /12° | 6.9 mm | 2 | |
| Oct. 12 | Moderate rain at times | 16° /13° | 15.4 mm | 1 | |
| Oct. 13 |  Light rain | 12° /11° | 22.4 mm | 1 | |
| Oct. 14 | Light drizzle | 17° /13° | 1 mm | 1 | |
| Oct. 15 | Partly cloudy | 20° /13° | 0 mm | 4 | |
| Oct. 16 | Sunny | 19° /6° | 0 mm | 3 | |
| Oct. 17 | Sunny | 18° /7° | 0 mm | 3 | |
| Oct. 18 | Sunny | 20° /9° | 0 mm | 3 | |
| Oct. 19 | Overcast | 23° /14° | 0 mm | 3 | |
| Oct. 20 | Overcast | 19° /10° | 6 mm | 3 | |
| Oct. 21 | Partly cloudy | 22° /6° | 0 mm | 3 | |
| Oct. 22 | Sunny | 17° /9° | 0 mm | 3 | |
| Oct. 23 | Overcast | 15° /7° | 0 mm | 3 | |
| Oct. 24 | Cloudy | 14° /5° | 0 mm | 3 | |
| Oct. 25 | Overcast | 13° /4° | 0 mm | 3 | |
| Oct. 26 | Overcast | 13° /6° | 0 mm | 1 | |
| Oct. 27 | Overcast | 11° /9° | 0 mm | 0 | |
| Oct. 28 | Overcast | 10° /6° | 0 mm | 1 | |
| Oct. 29 | Moderate or heavy rain shower | 10° /6° | 112.1 mm | 0 | |
| Oct. 30 |  Moderate or heavy rain with thunder | 15° /9° | 122.5 mm | 0 | |
| Oct. 31 | Sunny | 17° /6° | 0 mm | 2 | |
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Important Notice
Our weather forecast for Prince William County 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 Prince William County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Prince William County in October - FAQ
What are the expected maximum and minimum temperatures in Prince William County during October?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Prince William County during October?
Significant rainfall exceeding 382.3 mm is expected in Prince William County during October, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Prince William County during October?
The average wind speed in Prince William County during October is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Prince William County
Explore the daily rainfall trends and prepare for Prince William Countys October weather 💧
Typically, Prince William County has 8 rainy days in October with a total of 382.3 mm of rainfall.
UV exposure in Prince William County during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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Where is Prince William County?Get accurate weather forecasts for Prince William County, located at latitude 38.812 and longitude -77.636. Stay updated with localized weather information tailored for Prince William County.
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