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Thornhill Weather Warning NWS WEATHER ALERT FOR THE THORNHILL, VA AREA - FLOOD WATCH Issued: 1030 PM EDT Sat Oct 10 2026 Thornhill Weather Warning

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Thornhill, VA Weather - Hour by Hour Forecast

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Thornhill, VA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 60°F16°C, dew point 53°F12°C, humidity 77%. Wind direction is NNE at 5 mph8 km/h with visibility of 10 mi16 km. Barometric pressure is 30.3 in1026 mb.
Tonight - A chance of showers this evening, then showers with a slight chance of thunderstorms after midnight. Lows in the upper 50s. East w.. Full Forecast
Sunday - Showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 70s... Full Forecast

Thornhill Hourly Weather

24 Hour Forecast Scroll
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Thornhill, VA Hourly Weather - Cloudy - 10:00 PM Thornhill, VA Hourly Weather - Cloudy - 11:00 PM Thornhill, VA Hourly Weather - Cloudy - 12:00 AM Thornhill, VA Hourly Weather - Cloudy - 1:00 AM Thornhill, VA Hourly Weather - Cloudy - 2:00 AM Thornhill, VA Hourly Weather - Cloudy - 3:00 AM Thornhill, VA Hourly Weather - Cloudy - 4:00 AM Thornhill, VA Hourly Weather - Cloudy - 5:00 AM Thornhill, VA Hourly Weather - Cloudy - 6:00 AM Thornhill, VA Hourly Weather - Cloudy - 7:00 AM Thornhill, VA Hourly Weather - Cloudy - 8:00 AM Thornhill, VA Hourly Weather - Cloudy - 9:00 AM Thornhill, VA Hourly Weather - Cloudy - 10:00 AM Thornhill, VA Hourly Weather - Cloudy - 11:00 AM Thornhill, VA Hourly Weather - Cloudy - 12:00 PM Thornhill, VA Hourly Weather - Cloudy - 1:00 PM Thornhill, VA Hourly Weather - Cloudy - 2:00 PM Thornhill, VA Hourly Weather - Cloudy - 3:00 PM Thornhill, VA Hourly Weather - Partly Cloudy - 4:00 PM Thornhill, VA Hourly Weather - Partly Cloudy - 5:00 PM Thornhill, VA Hourly Weather - Partly Cloudy - 6:00 PM Thornhill, VA Hourly Weather - Clear - 7:00 PM Thornhill, VA Hourly Weather - Clear - 8:00 PM Thornhill, VA Hourly Weather - Clear - 9:00 PM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Clear Clear Clear
62°F17°C 62°F17°C 62°F17°C 61°F16°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 61°F16°C 63°F17°C 64°F18°C 66°F19°C 67°F19°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 66°F19°C 63°F17°C 61°F16°C 60°F16°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain - - - - - - - - - - - - -
69% 69% 69% 69% 69% 76% 76% 76% 76% 76% 76% 17% 17% 17% 17% 17% 17% 0% 0% 0% 0% 0% 0% 0%
62°F17°C 62°F17°C 62°F17°C 61°F16°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 61°F16°C 61°F16°C 61°F16°C 61°F16°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 60°F16°C 59°F15°C 59°F15°C 58°F14°C
100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 97% 93% 90% 84% 81% 76% 76% 76% 76% 81% 87% 93% 93%
NNW NNW NW NW NW NW NW NW NW NW NNW NNW NNW NNW NNW NNW NNW NNW NNW NNW SW ESE N E
2 mph 2 mph 2 mph 4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 3 mph 3 mph 3 mph 7 mph 7 mph 7 mph 6 mph 6 mph 6 mph 5 mph 5 mph 5 mph 0 mph 0 mph 0 mph
.5 mi1 km .25 mi0 km .5 mi1 km .5 mi1 km .75 mi1 km 3 mi5 km 3 mi5 km 5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km 6 mi10 km 6 mi10 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (EDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KOMH model statistics.

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Prob Precip % = Probability of Precipitation.

Thornhill 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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