, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Early AM

      Apr 25

      51° Lo
      Rain and drizzle
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Today

      Apr 25

      59° /55°F
      Periods of rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
    • Wed

      Apr 26

      72° /56°
      Clouds break for sun; warmer
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Thu

      Apr 27

      84° /63°
      Warmer with some sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Fri

      Apr 28

      83° /64°
      Turning cloudy and very warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More

    Day

    59°Hi RealFeel® 58° Precipitation 66%
    Periods of rain
    • ENE 7 mph
    • Gusts: 9 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 5%
    • Precipitation: 0.62 in
    • Rain: 0.62 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 7 hrs
    • Hours of Rain: 7 hrs

    Night

    55°Lo RealFeel® 51° Precipitation 55%
    Cloudy with a little rain
    • N 5 mph
    • Gusts: 8 mph
    • Max UV Index: N/A
    • Thunderstorms: 1%
    • Precipitation: 0.04 in
    • Rain: 0.04 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1.5 hrs
    • Hours of Rain: 1.5 hrs

    Rockville Pollen Levels Apr 25

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      High

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 4/25/2016
    High 59° 68° N/A 79°
    Low 55° 49° N/A 48°

    Sunrise/Sunset

    • Sunrise: 6:18 AM
    • Sunset: 7:55 PM
    • Duration: 13:37 hr

    Moonrise/Moonset

    • Moonrise: 6:01 AM
    • Moonset: 7:05 PM
    • Duration: 13:04 hr
    Astronomy

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps