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Thornhill Weather Warning NWS WEATHER ALERT FOR THE THORNHILL, VA AREA - HARD FROST ADVISORY Issued: 809 AM EDT Sat Oct 17 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 - Light Rain. Temperature is 51°F11°C, dew point 42°F6°C, humidity 71%. Wind direction is N at 12 mph19 km/h with visibility of 10 mi16 km. Barometric pressure is 30.19 in1022 mb.
Today - Cloudy with showers likely early this morning, then partly sunny this afternoon. Much cooler with highs in the mid 50s. North wind.. Full Forecast
Tonight - Mostly clear. Areas of frost after midnight. Lows in the mid 30s. North winds 5 to 10 mph. Gusts up to 25 mph in the evening... Full Forecast

Thornhill Hourly Weather

24 Hour Forecast Scroll
Sat, Oct 17
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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 - Clear - 4:00 PM Thornhill, VA Hourly Weather - Clear - 5:00 PM Thornhill, VA Hourly Weather - Clear - 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 Thornhill, VA Hourly Weather - Clear - 10:00 PM Thornhill, VA Hourly Weather - Clear - 11:00 PM Thornhill, VA Hourly Weather - Clear - 12:00 AM Thornhill, VA Hourly Weather - Clear - 1:00 AM Thornhill, VA Hourly Weather - Clear - 2:00 AM Thornhill, VA Hourly Weather - Clear - 3:00 AM Thornhill, VA Hourly Weather - Clear - 4:00 AM Thornhill, VA Hourly Weather - Clear - 5:00 AM Thornhill, VA Hourly Weather - Clear - 6:00 AM Thornhill, VA Hourly Weather - Clear - 7:00 AM Thornhill, VA Hourly Weather - Clear - 8:00 AM Thornhill, VA Hourly Weather - Clear - 9:00 AM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear
53°F12°C 53°F12°C 54°F12°C 56°F13°C 57°F14°C 56°F13°C 56°F13°C 55°F13°C 51°F11°C 48°F9°C 44°F7°C 43°F6°C 42°F6°C 41°F5°C 41°F5°C 40°F4°C 40°F4°C 39°F4°C 38°F3°C 37°F3°C 37°F3°C 36°F2°C 36°F2°C 41°F5°C
Rain Rain Rain Rain Rain - - - - - - - - - - - - - - - - - - -
54% 54% 54% 54% 54% 3% 3% 3% 3% 3% 3% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
46°F8°C 44°F7°C 42°F6°C 41°F5°C 39°F4°C 37°F3°C 36°F2°C 34°F1°C 34°F1°C 33°F1°C 33°F1°C 32°F0°C 32°F0°C 31°F-1°C 31°F-1°C 30°F-1°C 30°F-1°C 29°F-2°C 29°F-2°C 28°F-2°C 28°F-2°C 28°F-2°C 28°F-2°C 28°F-2°C
77% 71% 64% 57% 51% 49% 47% 45% 52% 56% 65% 65% 67% 67% 67% 67% 67% 67% 70% 70% 70% 72% 72% 60%
N N N N N N N N SSW SE NNE SE SSW N N N N SSW SE N SE SSW N SSW
12 mph 12 mph 12 mph 11 mph 11 mph 11 mph 9 mph 9 mph 9 mph 2 mph 2 mph 2 mph 3 mph 3 mph 3 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 3 mph 3 mph 3 mph
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 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 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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