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    • Tonight

      Sep 25

      37° Lo F
      Mainly clear and cold
      • 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: Low
    • Mon

      Sep 26

      67° /54°
      Sunny to partly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Sep 27

      70° /51°
      Rain in the morning
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      70° /56°
      Clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      64° /56°
      Rather cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    65°Hi RealFeel® 63° Precipitation 8%
    Sunshine
    • NW 10 mph
    • Gusts: 23 mph
    • Max UV Index: 5 (Moderate)
    • Thunderstorms: 1%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    37°Lo RealFeel® 38° Precipitation 8%
    Mainly clear and cold
    • WNW 4 mph
    • Gusts: 9 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

    Lancaster Pollen Levels Sep 25

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

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Moderate

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/25/2015
    High 65° 70° N/A 70°
    Low 37° 47° N/A 47°

    Sunrise/Sunset

    • Sunrise: 6:38 AM
    • Sunset: 6:37 PM
    • Duration: 11:59 hr

    Moonrise/Moonset

    • Moonrise: 1:09 AM
    • Moonset: 3:47 PM
    • Duration: 14:38 hr
    Astronomy

    Lancaster Weather Report

    Crisp fall air to bring first frost of season to parts of northeastern US

    September 25, 2016; 11:29 PM ET

    Fall air has finally arrived in the northeastern United States and may yield the first frost of the season in parts of the region to end this weekend. More >

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps