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Current Weather Conditions for Thornhill, VA

A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 102. Heat index values as high as 111. West wind 1 to 5 mph. Chance of precipitation is 20%.
91°F

Conditions

Wind: 1 mph N
Humidity: 58%
Probability of Precipitation: 1%

Hourly Forcast (next 12 hours)

2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM
91° 93° 97° 98° 99° 101° 102° 101° 100° 97° 93° 88° 85°

Upcoming Week

Day Forecast High Low
Today
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 102. Heat index values as high as 111. West wind 1 to 5 mph. Chance of precipitation is 20%.
102°F 81°F
Tonight
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77. Heat index values as high as 108. West wind 0 to 5 mph. Chance of precipitation is 20%.
102°F 81°F
Independence Day
Mostly Sunny then Chance Showers And Thunderstorms
A chance of rain showers between 2pm and 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers and thunderstorms likely. Mostly sunny, with a high near 100. Heat index values as high as 108. West wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
102°F 81°F
Saturday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy, with a low around 71. Heat index values as high as 102. South wind 0 to 3 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
102°F 81°F
Sunday
Mostly Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 96. Southeast wind 0 to 3 mph. Chance of precipitation is 70%.
102°F 81°F
Sunday Night
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
102°F 81°F
Monday
Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 92. Chance of precipitation is 60%.
102°F 81°F
Monday Night
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
102°F 81°F
Tuesday
Slight Chance Rain Showers then Chance Showers And Thunderstorms
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%.
102°F 81°F
Tuesday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
102°F 81°F
Wednesday
Chance Showers And Thunderstorms
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 30%.
102°F 81°F
Wednesday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
102°F 81°F
Thursday
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
102°F 81°F
Thursday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 69.
102°F 81°F
Data provided by weather.gov