Herndon

United States
Mostly CloudyMostly Cloudy
81°
66°
68°

Forecast

  • 1 AMMostly Cloudy68°
  • 2 AMMostly Cloudy67°
  • 3 AMPartly Cloudy67°
  • 4 AMPartly Cloudy66°
  • 5 AMPartly Cloudy66°
  • 6 AMPartly Cloudy66°
  • 7 AMPartly Cloudy66°
  • 8 AMPartly Cloudy68°
  • 9 AMMostly Cloudy70°
  • 10 AMMostly Cloudy73°
  • 11 AMThunderstorms75°
  • 12 PMMostly Cloudy78°
  • 1 PMMostly Cloudy79°
  • 2 PMMostly Cloudy80°
  • 3 PMMostly Cloudy81°
  • 4 PMPartly Cloudy81°
  • 5 PMPartly Cloudy80°
  • 6 PMPartly Cloudy79°
  • 7 PMPartly Cloudy78°
  • 8 PMPartly Cloudy75°
  • 9 PMPartly Cloudy73°
  • 10 PMPartly Cloudy72°
  • 11 PMPartly Cloudy71°
  • 12 AMPartly Cloudy71°
  • 1 AMFair71°
Thursday
ThunderstormsPrecipitation: 60%60%81°66°Night - Mostly cloudy. Winds variable at 7 mph (11.3 kph). The overnight low will be 66 °F (18.9 °C).Mostly cloudy with a high of 81 °F (27.2 °C). Winds variable at 4 to 7 mph (6.4 to 11.3 kph).
Friday
FairPrecipitation: 0%0%83°68°Mostly sunny today with a high of 83 °F (28.3 °C) and a low of 68 °F (20.0 °C).
Saturday
ThunderstormsPrecipitation: 10%10%85°66°Thunderstorms today with a high of 85 °F (29.4 °C) and a low of 66 °F (18.9 °C).
Sunday
ThunderstormsPrecipitation: 10%10%85°68°Thunderstorms today with a high of 85 °F (29.4 °C) and a low of 68 °F (20.0 °C).
Monday
Partly CloudyPrecipitation: 10%10%84°66°Partly cloudy today with a high of 84 °F (28.9 °C) and a low of 66 °F (18.9 °C).
Tuesday
Partly CloudyPrecipitation: 20%20%82°66°Partly cloudy today with a high of 82 °F (27.8 °C) and a low of 66 °F (18.9 °C).
Wednesday
 Scattered ThunderstormsPrecipitation: 35%35%81°65°Scattered showers today with a high of 81 °F (27.2 °C) and a low of 65 °F (18.3 °C). There is a 35% chance of precipitation.
Thursday
Partly CloudyPrecipitation: 20%20%79°64°Partly cloudy today with a high of 79 °F (26.1 °C) and a low of 64 °F (17.8 °C).
Friday
Isolated ThundershowersPrecipitation: 30%30%77°62°Scattered thunderstorms today with a high of 77 °F (25.0 °C) and a low of 62 °F (16.7 °C). There is a 30% chance of precipitation.
Saturday
Isolated ThundershowersPrecipitation: 10%10%76°64°Scattered thunderstorms today with a high of 76 °F (24.4 °C) and a low of 64 °F (17.8 °C).

Precipitation

Overnight
Early Morning
Morning
Afternoon
Precipitation: 0%0%
Precipitation: 0%0%
Precipitation: 0%0%
Precipitation: 0%0%

Wind & Pressure

Wind

7 mph South

Barometer

27.6 inches

Details

Mostly Cloudy
  • Feels like
    75°
  • Humidity
    86%
  • Visibility
    10.00 miles
  • UV Index
    0 (Low)

Tonight - Mostly cloudy. Winds variable at 7 mph (11.3 kph). The overnight low will be 66 °F (18.9 °C).

Today - Mostly cloudy with a high of 81 °F (27.2 °C). Winds variable at 4 to 7 mph (6.4 to 11.3 kph).

Sun & Moon

Third Quarter
Third Quarter
6:49 AM8:03 PM

Map