Weekend Weather - Herndon, Virginia

As of 9:26 pm EDT

This Weekend

Tonight

Partly Cloudy Night

• Temperature: 68°
• Conditions: Partly cloudy. Low 68F. Winds light and variable.
• Humidity: 95%
• UV index: 0 of 11
• Moonrise: 8:27 am
• Moonset: 9:08 pm
• Moon Phase: Day 2 Waxing Crescent

Sat 15

Mostly Clear Day

• Temperature: 87°/73°
• Conditions: Except for a few afternoon clouds, mainly sunny. High 87F. Winds light and variable.
• Humidity: 67%
• UV index: 9 of 11
• Sunrise: 6:22 am
• Sunset: 8:04 pm

Night

• Temperature: 73°
• Conditions: Considerable cloudiness. Low 73F. Winds light and variable.
• Humidity: 80%
• UV index: 0 of 11
• Moonrise: 9:36 am
• Moonset: 9:32 pm
• Moon Phase: Day 3 Waxing Crescent

Sun 16

Thunderstorms

• Temperature: 78°/73°
• Conditions: Thunderstorms. Potential for severe thunderstorms. High 78F. Winds S at 10 to 15 mph. Chance of rain 90%.
• Humidity: 94%
• UV index: 4 of 11
• Sunrise: 6:23 am
• Sunset: 8:03 pm

Night

• Temperature: 73°
• Conditions: Scattered thunderstorms in the evening. Partly cloudy skies overnight. Potential for severe thunderstorms. Low 73F. Winds SW at 5 to 10 mph. Chance of rain 50%.
• Humidity: 96%
• UV index: 0 of 11
• Moonrise: 10:42 am
• Moonset: 9:55 pm
• Moon Phase: Day 4 Waxing Crescent

Next Weekend

Fri 21

Partly Cloudy Day

• Temperature: 82°/66°
• Conditions: Sunshine and clouds mixed. High 82F. Winds N at 5 to 10 mph.
• Humidity: 66%
• UV index: 8 of 11
• Sunrise: 6:28 am
• Sunset: 7:56 pm

Night

• Temperature: 66°
• Conditions: Partly cloudy skies early will give way to occasional showers later during the night. Low 66F. Winds light and variable. Chance of rain 40%.
• Humidity: 77%
• UV index: 0 of 11
• Moonrise: 3:55 pm
• Moonset: 12:02 am
• Moon Phase: Day 9 Waxing Gibbous

Sat 22

Showers

• Temperature: 78°/66°
• Conditions: Cloudy with showers. High 78F. Winds NE at 5 to 10 mph. Chance of rain 40%.
• Humidity: 74%
• UV index: 5 of 11
• Sunrise: 6:29 am
• Sunset: 7:54 pm

Night

• Temperature: 66°
• Conditions: Cloudy with occasional rain showers. Low 66F. Winds NE at 5 to 10 mph. Chance of rain 50%.
• Humidity: 87%
• UV index: 0 of 11
• Moonrise: 4:47 pm
• Moonset: 12:48 am
• Moon Phase: Day 9 Waxing Gibbous

Sun 23

Showers

• Temperature: 79°/66°
• Conditions: Cloudy with a few showers. High 79F. Winds NNE at 5 to 10 mph. Chance of rain 40%.
• Humidity: 79%
• UV index: 7 of 11
• Sunrise: 6:30 am
• Sunset: 7:53 pm

Night

• Temperature: 66°
• Conditions: Rain showers early with clearing later at night. Low 66F. Winds NE at 5 to 10 mph. Chance of rain 30%.
• Humidity: 85%
• UV index: 0 of 11
• Moonrise: 5:33 pm
• Moonset: 1:41 am
• Moon Phase: Day 10 Waxing Gibbous