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Personalized Forecasts

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    • Today

      Sep 28

      74° /66°F
      Rain and a thunderstorm
      • Poor
      • for home energy
      • Avg RealFeel: 67°
      • Hi RealFeel: 77°
      • Wind Speed: 7 mph
    • Thu

      Sep 29

      71° /64°
      Heavy rain and a thunderstorm
      • Poor
      • for home energy
      • Avg RealFeel: 65°
      • Hi RealFeel: 70°
      • Wind Speed: 17 mph
      More
    • Fri

      Sep 30

      71° /66°
      Cloudy and windy with showers
      • Poor
      • for home energy
      • Avg RealFeel: 65°
      • Hi RealFeel: 68°
      • Wind Speed: 17 mph
      More
    • Sat

      Oct 1

      78° /60°
      Warmer with a shower or two
      • Poor
      • for home energy
      • Avg RealFeel: 73°
      • Hi RealFeel: 84°
      • Wind Speed: 6 mph
      More
    • Sun

      Oct 2

      78° /59°
      Mostly cloudy, a few showers
      • Poor
      • for home energy
      • Avg RealFeel: 70°
      • Hi RealFeel: 81°
      • Wind Speed: 4 mph
      More

    Day

    74°Hi RealFeel® 77° Precipitation 82%
    Periods of rain and a thunderstorm
    • E 7 mph
    • Gusts: 16 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 45%
    • Precipitation: 0.42 in
    • Rain: 0.42 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 6 hrs
    • Hours of Rain: 6 hrs

    Night

    66°Lo RealFeel® 57° Precipitation 77%
    Rain, some heavy, and a thunderstorm; mild; watch for flooding on streets and poor drainage areas
    • E 8 mph
    • Gusts: 22 mph
    • Max UV Index: N/A
    • Thunderstorms: 45%
    • Precipitation: 1.76 in
    • Rain: 1.76 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 8 hrs
    • Hours of Rain: 8 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/28/2015
    High 74° 76° N/A 82°
    Low 66° 55° N/A 64°

    Sunrise/Sunset

    • Sunrise: 7:01 AM
    • Sunset: 6:54 PM
    • Duration: 11:53 hr

    Moonrise/Moonset

    • Moonrise: 4:38 AM
    • Moonset: 5:52 PM
    • Duration: 13:14 hr
    Astronomy

    Lanham Weather Report

    Persistent rain to raise flood risk in part of northeastern US late this week

    September 28, 2016; 10:09 AM ET

    Rain will spread over much of the northeastern U.S. into the weekend, but persistent downpours will raise the flood risk in part of the mid-Atlantic. More >

    Wed. Home Energy Efficiency

    Wed. Degree Days

    Wed. UV Index