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Current Weather Conditions for Thornhill, VA

Scattered showers and thunderstorms after 2pm. Some of the storms could be severe. Mostly cloudy. High near 93, with temperatures falling to around 87 in the afternoon. Heat index values as high as 101. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
92°F

Conditions

Wind: 8 mph SW
Humidity: 54%
Probability of Precipitation: 14%

Hourly Forcast (next 12 hours)

5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM
92° 93° 93° 92° 87° 86° 84° 82° 79° 78° 77° 76° 76°

Upcoming Week

Day Forecast High Low
This Afternoon
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms after 2pm. Some of the storms could be severe. Mostly cloudy. High near 93, with temperatures falling to around 87 in the afternoon. Heat index values as high as 101. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
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Tonight
Scattered Showers And Thunderstorms then Mostly Cloudy
Scattered showers and thunderstorms before 8pm. Some of the storms could be severe. Mostly cloudy, with a low around 72. Southwest wind 2 to 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
93°F 68°F
Sunday
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms between 3pm and 5pm. Partly sunny, with a high near 88. Northwest wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
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Sunday Night
Partly Cloudy
Partly cloudy, with a low around 66. Northeast wind 0 to 3 mph. New rainfall amounts less than a tenth of an inch possible.
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Monday
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 2pm and 5pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. East wind around 3 mph. Chance of precipitation is 20%.
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Monday Night
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
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Tuesday
Showers And Thunderstorms Likely
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.
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Tuesday Night
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 80%.
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Wednesday
Rain Showers Likely then Chance Showers And Thunderstorms
Rain showers likely before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 60%.
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Wednesday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 40%.
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Thursday
Slight Chance Rain Showers then Mostly Sunny
A slight chance of rain showers before 8am. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
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Thursday Night
Mostly Clear
Mostly clear, with a low around 61.
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Friday
Sunny
Sunny, with a high near 85.
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Friday Night
Partly Cloudy
Partly cloudy, with a low around 64.
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Data provided by weather.gov