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    • Tonight

      May 27

      66° Lo F
      Patchy clouds and breezy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: High
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Sun

      May 28

      85° /59°
      Sunny, breezy and cooler
      • Low
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      May 29

      89° /61°
      Mostly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Tue

      May 30

      88° /64°
      Mostly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Wed

      May 31

      85° /65°
      Thundershower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More

    Day

    100°Hi RealFeel® 102° Precipitation 25%
    Breezy this morning; otherwise, hot with increasing amounts of sun
    • SW 10 mph
    • Gusts: 20 mph
    • Max UV Index: 9 (Very High)
    • Thunderstorms: 24%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    66°Lo RealFeel® 62° Precipitation 7%
    Patchy clouds and breezy
    • N 17 mph
    • Gusts: 28 mph
    • Max UV Index: N/A
    • Thunderstorms: 24%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Frederick Pollen Levels May 27

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

      Low

    • Ragweed Pollen

      Low

    • Mold

      High

    • Grass Pollen

      High

    Temperature History

    more Historical Weather Data >
      Today Normal Record 5/27/2016
    High 100° 86° N/A 88°
    Low 66° 61° N/A 67°

    Sunrise/Sunset

    • Sunrise: 6:27 AM
    • Sunset: 8:40 PM
    • Duration: 14:13 hr

    Moonrise/Moonset

    • Moonrise: 8:25 AM
    • Moonset: 10:51 PM
    • Duration: 14:26 hr
    Astronomy

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps