Herndon, Virginia Weather
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Weather Forecast for Herndon, Virginia : Fairfax County
Issued: 9:04 am EDT Jun 19, 2018 Latitude: 38.9695545 Longitude: -77.3860976 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
50% chance of thunderstorms on Today Mostly Cloudy on Tonight 60% chance of thunderstorms on Wednesday 20% chance of  on Thursday 40% chance of rain on Friday 60% chance of thunderstorms on Saturday 30% chance of thunderstorms on Sunday 30% chance of thunderstorms on Monday
High: 91°F Low: 67°F High: 84°F High: 84°F High: 81°F High: 83°F High: 88°F High: 83°F
Low: 69°F Low: 65°F Low: 66°F Low: 70°F Low: 68°F  
Thunderstorms Mostly Cloudy Thunderstorms Partly Sunny Rain Thunderstorms Thunderstorms Thunderstorms
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50% chance of thunderstorms Today Today... Scattered showers and thunderstorms after noon. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a high near 91. North wind around 10 mph. Chance of precipitation is 50%.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 67. North wind 5 to 7 mph.

60% chance of thunderstorms Wednesday Wednesday... A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 84. Northeast wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

60% chance of thunderstorms Wednesday Night Wednesday Night... Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

20% chance of  Thursday Thursday... A slight chance of showers. Partly sunny, with a high near 84. North wind 6 to 8 mph. Chance of precipitation is 20%.

20% chance of rain Thursday Night Thursday Night... A slight chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 20%.

40% chance of rain Friday Friday... A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.

50% chance of rain Friday Night Friday Night... A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

60% chance of thunderstorms Saturday Saturday... Showers and thunderstorms likely. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

40% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

30% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 30%.

40% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.

30% chance of thunderstorms Monday Monday... A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.

Current Radar Image


Sun Almanac for Herndon, Virginia
Sunrise: 05:44 AM
Sunset: 8:38 PM
Civil Sunrise:05:12 AM
Civil Sunset: 9:10 PM
Nautical Sunrise: 04:31 AM
Nautical Sunset: 9:51 PM
Astro Sunrise: 03:45 AM
Astro Sunset: 10:37 PM
Moon Almanac for Herndon, Virginia
Moon Phase: First Quarter
Moon Illumination: 41%
Moon Age: 6.51 Days
Moon is currently below the horizon
Distance from Moon to Earth: 230,447 miles
Upcoming Lunar Events for
Herndon:
Next EventEvent TimeIllum

Moonrise:12:17 pm Tue41.5%
High Moon:06:55 pm Tue44.5%
Moonset:01:24 am Wed47.5%
First Quarter:06:51 am Wed50.0%
New Moon: Wed Jun 13
First Quarter: Wed Jun 20
Full Moon: Thu Jun 28
Last Quarter: Fri Jul 6
New Moon: Thu Jul 12
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.