, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Thu

      May 4

      55° /41°
      Periods of rain
      • Poor
      • for stargazing
      • Cloud Cover: 99%
      • Precip: 61%
      • Hours of Precip: 7
      More
    • Fri

      May 5

      61° /40°
      Periods of rain
      • Poor
      • for stargazing
      • Cloud Cover: 98%
      • Precip: 55%
      • Hours of Precip: 6
      More
    • Sat

      May 6

      57° /39°
      Cloudy with rain possible
      • Poor
      • for stargazing
      • Cloud Cover: 98%
      • Precip: 57%
      • Hours of Precip: 2
      More
    • Sun

      May 7

      59° /40°
      Remaining cloudy
      • Good
      • for stargazing
      • Cloud Cover: 63%
      • Precip: 18%
      • Hours of Precip: 0
      More
    • Mon

      May 8

      66° /45°F
      A t-storm possible; warmer
      • Poor
      • for stargazing
      • Cloud Cover: 98%
      • Precip: 58%
      • Hours of Precip: 2

    Day

    66°Hi RealFeel® 71° Precipitation 30%
    Mostly sunny and warmer with a shower or thunderstorm possible
    • SSW 7 mph
    • Gusts: 21 mph
    • Max UV Index: 8 (Very High)
    • Thunderstorms: 35%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    45°Lo RealFeel® 39° Precipitation 58%
    Plenty of clouds with a little rain
    • SSE 6 mph
    • Gusts: 17 mph
    • Max UV Index: N/A
    • Thunderstorms: 13%
    • Precipitation: 0.09 in
    • Rain: 0.09 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 5/8/2016
    High 66° 63° 84° (2015) 56°
    Low 45° 38° 21° (1974) 38°

    Sunrise/Sunset

    • Sunrise: 6:03 AM
    • Sunset: 8:19 PM
    • Duration: 14:16 hr

    Moonrise/Moonset

    • Moonrise: 6:14 PM
    • Moonset: 5:42 AM
    • Duration: 11:28 hr
    Astronomy

    Solunar Information for St. Marys, PA

    Wed, May 3
    First
    Wed, May 10
    Full
    Fri, May 19
    Last
    Thu, May 25
    New