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    • Tonight

      Aug 16

      59° Lo F
      Partly cloudy; fog late
      • Stargazing
      • Weather
      • Cloud Cover: 39%
      • Precip: 5%
      • Hours of Precip: 0
    • Thu

      Aug 17

      80° /68°
      Areas of fog in the morning
      • Poor
      • for stargazing
      • Cloud Cover: 96%
      • Precip: 66%
      • Hours of Precip: 2.5
      More
    • Fri

      Aug 18

      82° /62°
      A morning shower or t-storm
      • Fair
      • for stargazing
      • Cloud Cover: 64%
      • Precip: 18%
      • Hours of Precip: 0.5
      More
    • Sat

      Aug 19

      75° /59°
      A p.m. t-storm in spots
      • Poor
      • for stargazing
      • Cloud Cover: 74%
      • Precip: 21%
      • Hours of Precip: 1
      More
    • Sun

      Aug 20

      79° /57°
      Partly sunny
      • Excellent
      • for stargazing
      • Cloud Cover: 7%
      • Precip: 9%
      • Hours of Precip: 0
      More

    Day

    80°Hi RealFeel® 86° Precipitation 1%
    Partly sunny and humid
    • Winds from the
    • NW 6 mph
    • Gusts: 13 mph
    • Max UV Index: 11 (Extreme)
    • Thunderstorms: 5%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    59°Lo RealFeel® 59° Precipitation 5%
    Partly cloudy; areas of fog late
    • Winds from the
    • ENE 4 mph
    • Gusts: 6 mph
    • Max UV Index: N/A
    • Thunderstorms: 5%
    • 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 8/16/2016
    High 80° 76° 86° (1987) 84°
    Low 59° 52° 37° (1964) 66°

    Sunrise/Sunset

    • Sunrise: 6:24 AM
    • Sunset: 8:12 PM
    • Duration: 13:48 hr

    Moonrise/Moonset

    • Moonrise: 1:06 AM
    • Moonset: 3:47 PM
    • Duration: 14:41 hr
    Astronomy

    Solunar Information for St. Marys, PA

    Mon, Aug 21
    New
    Tue, Aug 29
    First
    Wed, Sep 6
    Full
    Wed, Sep 13
    Last

    Wed. Stargazing