24°
Mostly Cloudy
Feels Like: 24°
Min: 15°
Max: 28°
The next few hours will be mostly cloudy, with tomorrow reaching 30°C and dropping to 23°C. The coming days will be hazy starting in the afternoon.
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Hourly Forecast
Daylight Hours
05:48
Sunrise
20:28
Sunset
Daily Forecast
Tuesday
Today
Thursday
Friday
Saturday
Sunday
Monday
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UV Index
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Frequently asked questions about weather in Herndon
How warm does it get in Herndon?
The warmest month in Herndon is July, with average high temperatures of 32°C. The average temperature during this period is around 26°C.
How cold does it get in Herndon?
The coldest month in Herndon is January, with average low temperatures of -1°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Herndon?
The wettest month in Herndon is July, with an average of 120mm of precipitation.
What is the driest time of year in Herndon?
The driest month in Herndon is November, with an average of 74mm of precipitation.
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