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Thornhill Weather Forecast
Thornhill, VA Weather Forecast Date: 504 PM EDT Wed Oct 07 2026
Weather forecast for Thornhill, VA
Tonight Lo: 55°F Lo: 13°C |
Tonight... Clear. Lows in the mid 50s. Southwest winds 5 to 10 mph. |
Thu Hi: 79°FHi: 26°C Lo: 50°F Lo: 10°C |
Thursday... Sunny. Highs in the upper 70s. West winds 5 to 10 mph, becoming northwest with gusts up to 20 mph in the afternoon. |
| Fri Hi: 75°FHi: 24°C Lo: 51°F Lo: 11°C |
Friday... Sunny. Highs in the mid 70s. Light and variable winds, becoming northwest around 5 mph in the afternoon. |
Sat Hi: 71°FHi: 22°C Lo: 59°F Lo: 15°C |
Saturday... Partly sunny. Highs in the lower 70s. |
Sun Hi: 69°FHi: 21°C Lo: 61°F Lo: 16°C |
Sunday... Showers with a chance of thunderstorms. Highs in the upper 60s. Chance of rain near 100%. |
| Columbus Day Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Columbus Day... Partly sunny. Highs in the mid 70s. |
| Tue Hi: 75°FHi: 24°C Lo: 49°F Lo: 9°C |
Tuesday... Mostly sunny. Highs in the mid 70s. |
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