Saint Marys, Pennsylvania | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Tuesday
    Sunny
    69°
    Forecast night icon
    Night
    Mostly Cloudy
    46°
    Tuesday 4/16
    Day
    69°
    Sunny
    Forecast day icon
    Night
    46°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. High temperature around 69F. Dew point will be around 33F with an average humidity of 50%. Winds will be 2 mph from the W.
    Night Details
    Mostly clear this evening then becoming mostly cloudy. Not as cool with lows in the upper 40s. Northeast winds 5 to 10 mph becoming east after midnight.
  • Forecast day icon
    Wednesday
    Thunderstorms
    64°
    Forecast night icon
    Night
    Thunderstorms
    53°
    Wednesday 4/17
    Day
    64°
    Thunderstorms
    Forecast day icon
    Night
    53°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Occasional showers. A slight chance of thunderstorms in the afternoon. Cooler with highs around 60. Southeast winds 5 to 10 mph. Chance of rain near 100 percent.
    Night Details
    Scattered showers in the evening then occasional showers and scattered thunderstorms after midnight. Mild. Lows in the lower 50s. Southeast winds around 10 mph with gusts up to 20 mph becoming south after midnight. Chance of rain near 100 percent.
  • Forecast day icon
    Thursday
    50% Chance Rain Showers
    67°
    Forecast night icon
    Night
    40% Chance Rain Showers
    47°
    Thursday 4/18
    Day
    67°
    50% Chance Rain Showers
    Forecast day icon
    Night
    47°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A 50 percent chance of showers. Highs in the mid 60s. West winds 5 to 10 mph.
    Night Details
    Partly cloudy with a chance of showers in the evening then mostly cloudy after midnight. Lows in the upper 40s. Southwest winds 5 to 10 mph becoming southeast after midnight. Chance of rain 40 percent.
  • Forecast day icon
    Friday
    Rain
    63°
    Forecast night icon
    Night
    Rain
    39°
    Friday 4/19
    Day
    63°
    Rain
    Forecast day icon
    Night
    39°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Showers. Highs in the upper 50s. Chance of rain 90 percent.
    Night Details
    Mostly cloudy. Showers mainly in the evening. Lows in the upper 30s. Chance of rain 90 percent.
  • Forecast day icon
    Saturday
    Partly Sunny
    53°
    Forecast night icon
    Night
    Partly Cloudy
    33°
    Saturday 4/20
    Day
    53°
    Partly Sunny
    Forecast day icon
    Night
    33°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the lower 50s.
    Night Details
    Partly cloudy. Areas of frost after midnight. Lows in the lower 30s.
  • Forecast day icon
    Sunday
    Partly Sunny
    52°
    Forecast night icon
    Night
    Mostly Clear
    33°
    Sunday 4/21
    Day
    52°
    Partly Sunny
    Forecast day icon
    Night
    33°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the lower 50s.
    Night Details
    Mostly clear. Widespread frost after midnight. Lows around 30.
  • Forecast day icon
    Monday
    Mostly Sunny
    56°
    Forecast night icon
    Night
    Partly Cloudy
    36°
    Monday 4/22
    Day
    56°
    Mostly Sunny
    Forecast day icon
    Night
    36°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Widespread frost in the morning. Mostly sunny. Highs in the upper 50s.
    Night Details
    Partly cloudy. Lows in the upper 30s.
  • Forecast day icon
    Tuesday
    30% Chance Rain Showers
    61°
    Forecast night icon
    Night
    40% Chance of Rain
    42°
    Tuesday 4/23
    Day
    61°
    30% Chance Rain Showers
    Forecast day icon
    Night
    42°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly sunny. A chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 30 percent.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 40%. Low temperature around 42F. Dew point will be around 39F with an average humidity of 74%. Winds will be 3 mph from the SW.
  • Forecast day icon
    Wednesday
    40% Chance of Rain
    62°
    Forecast night icon
    Night
    40% Chance of Rain
    44°
    Wednesday 4/24
    Day
    62°
    40% Chance of Rain
    Forecast day icon
    Night
    44°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 62F. Dew point will be around 41F with an average humidity of 65%. Winds will be 4 mph from the SW.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 44F. Dew point will be around 43F with an average humidity of 78%. Winds will be 2 mph from the S.
  • Forecast day icon
    Thursday
    30% Chance of Rain
    65°
    Forecast night icon
    Night
    30% Chance of Rain
    47°
    Thursday 4/25
    Day
    65°
    30% Chance of Rain
    Forecast day icon
    Night
    47°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 65F. Dew point will be around 44F with an average humidity of 65%. Winds will be 4 mph from the S.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 47F. Dew point will be around 46F with an average humidity of 77%. Winds will be 3 mph from the S.