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    • Today

      Sep 29

      68° /59°
      Windy with rain and a t-storm
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Moderate
      More
    • Fri

      Sep 30

      66° /62°
      Windy with rain and drizzle
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Moderate
      More
    • Sat

      Oct 1

      72° /65°
      A brief shower or two
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Moderate
      More
    • Sun

      Oct 2

      77° /62°F
      Mostly cloudy with a shower
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Moderate
    • Mon

      Oct 3

      77° /59°
      Partly sunny and pleasant
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    77°Hi RealFeel® 77° Precipitation 46%
    Rather cloudy with a shower in spots
    • NNW 6 mph
    • Gusts: 8 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 20%
    • Precipitation: 0.05 in
    • Rain: 0.05 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 1 hrs

    Night

    62°Lo RealFeel® 63° Precipitation 25%
    Partly to mostly cloudy
    • NW 4 mph
    • Gusts: 7 mph
    • Max UV Index: N/A
    • Thunderstorms: 9%
    • 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 10/2/2015
    High 77° 72° 87° (2002) 57°
    Low 62° 54° 39° (1966) 50°

    Sunrise/Sunset

    • Sunrise: 6:59 AM
    • Sunset: 6:41 PM
    • Duration: 11:42 hr

    Moonrise/Moonset

    • Moonrise: 8:21 AM
    • Moonset: 7:49 PM
    • Duration: 11:28 hr
    Astronomy

    Chester Weather Report

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

    September 29, 2016; 8:16 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 into Friday. More >

    Sun. Dust & Dander

    Sun. Wind Maps