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    • Today

      Sep 26

      71° /59°
      Mostly cloudy
      • Poor
      • for stargazing
      • Cloud Cover: 93%
      • Precip: 73%
      • Hours of Precip: 5
      More
    • Tue

      Sep 27

      73° /53°F
      Clouds giving way to sun
      • Very Good
      • for stargazing
      • Cloud Cover: 43%
      • Precip: 24%
      • Hours of Precip: 0
    • Wed

      Sep 28

      74° /61°
      Chance of a little p.m. rain
      • Poor
      • for stargazing
      • Cloud Cover: 93%
      • Precip: 35%
      • Hours of Precip: 0
      More
    • Thu

      Sep 29

      72° /58°
      Rather cloudy, showers around
      • Poor
      • for stargazing
      • Cloud Cover: 100%
      • Precip: 60%
      • Hours of Precip: 8
      More
    • Fri

      Sep 30

      71° /56°
      A couple of showers
      • Poor
      • for stargazing
      • Cloud Cover: 99%
      • Precip: 51%
      • Hours of Precip: 3.5
      More

    Day

    73°Hi RealFeel® 77° Precipitation 25%
    Clouds giving way to sun
    • SW 5 mph
    • Gusts: 7 mph
    • Max UV Index: 5 (Moderate)
    • Thunderstorms: 3%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    53°Lo RealFeel® 53° Precipitation 24%
    Partly cloudy
    • NW 2 mph
    • Gusts: 6 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/27/2015
    High 73° 75° 96° (1998) 72°
    Low 53° 51° 35° (1984) 59°

    Sunrise/Sunset

    • Sunrise: 7:02 AM
    • Sunset: 6:57 PM
    • Duration: 11:55 hr

    Moonrise/Moonset

    • Moonrise: 3:41 AM
    • Moonset: 5:21 PM
    • Duration: 13:40 hr
    Astronomy

    Solunar Information for Herndon, VA

    Sat, Oct 1
    New
    Sun, Oct 9
    First
    Sun, Oct 16
    Full
    Sat, Oct 22
    Last

    Herndon Weather Report

    Rounds of rain to frequent northeastern US this week

    September 26, 2016; 7:29 AM ET

    Bouts of wet weather will frequent the northeastern United States during the last full week of September. More >

    Tue. Stargazing