Saint Marys, Pennsylvania | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Tuesday
    Partly Cloudy
    82°
    Forecast night icon
    Night
    Partly Cloudy
    61°
    Tuesday 5/21
    Day
    82°
    Partly Cloudy
    Forecast day icon
    Night
    61°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Hot with highs in the lower 80s. Southwest winds 5 to 10 mph.
    Night Details
    Partly cloudy in the evening then becoming mostly clear. Lows around 60. South winds around 5 mph.
  • Forecast day icon
    Wednesday
    70% Chance of Storms
    81°
    Forecast night icon
    Night
    80% Chance of Storms
    61°
    Wednesday 5/22
    Day
    81°
    70% Chance of Storms
    Forecast day icon
    Night
    61°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny in the morning then mostly cloudy with showers and thunderstorms likely in the afternoon. Some thunderstorms may be severe with damaging winds in the afternoon. Hot with highs in the lower 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.
    Night Details
    Mostly cloudy. Thunderstorms with showers likely in the evening then a chance of showers and thunderstorms after midnight. Patchy fog after midnight. Some thunderstorms may be severe with damaging winds in the evening. Lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 80 percent.
  • Forecast day icon
    Thursday
    60% Chance of Storms
    76°
    Forecast night icon
    Night
    50% Chance of Storms
    55°
    Thursday 5/23
    Day
    76°
    60% Chance of Storms
    Forecast day icon
    Night
    55°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely with a chance of thunderstorms. Not as warm with highs in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 60 percent.
    Night Details
    Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 50s. Chance of rain 50 percent.
  • Forecast day icon
    Friday
    30% Chance Rain Showers
    78°
    Forecast night icon
    Night
    30% Chance of Storms
    58°
    Friday 5/24
    Day
    78°
    30% Chance Rain Showers
    Forecast day icon
    Night
    58°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 50s. Chance of rain 30 percent.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    80°
    Forecast night icon
    Night
    50% Chance of Storms
    56°
    Saturday 5/25
    Day
    80°
    50% Chance of Storms
    Forecast day icon
    Night
    56°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent.
    Night Details
    Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 50 percent.
  • Forecast day icon
    Sunday
    50% Chance of Storms
    77°
    Forecast night icon
    Night
    50% Chance of Storms
    56°
    Sunday 5/26
    Day
    77°
    50% Chance of Storms
    Forecast day icon
    Night
    56°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 50 percent.
  • Forecast day icon
    Monday
    60% Chance of Storms
    72°
    Forecast night icon
    Night
    50% Chance of Rain
    54°
    Monday 5/27
    Day
    72°
    60% Chance of Storms
    Forecast day icon
    Night
    54°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 60 percent.
    Night Details
    Partly cloudy with a 45% chance for rain and thunderstorms. Low temperature around 54F. Dew point will be around 57F with an average humidity of 88%. Winds will be 2 mph from the SW.
  • Forecast day icon
    Tuesday
    50% Chance of Rain
    71°
    Forecast night icon
    Night
    50% Chance of Rain
    55°
    Tuesday 5/28
    Day
    71°
    50% Chance of Rain
    Forecast day icon
    Night
    55°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a 50% chance for rain and thunderstorms. High temperature around 71F. Dew point will be around 56F with an average humidity of 72%. Winds will be 3 mph from the SW.
    Night Details
    Cloudy with a 50% chance for rain and thunderstorms. Low temperature around 55F. Dew point will be around 54F with an average humidity of 82%. Winds will be 2 mph from the S.
  • Forecast day icon
    Wednesday
    60% Chance of Rain
    66°
    Forecast night icon
    Night
    60% Chance of Rain
    52°
    Wednesday 5/29
    Day
    66°
    60% Chance of Rain
    Forecast day icon
    Night
    52°
    60% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 60%. High temperature around 66F. Dew point will be around 55F with an average humidity of 77%. Winds will be 3 mph from the SW.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 55%. Low temperature around 52F. Dew point will be around 52F with an average humidity of 83%. Winds will be 2 mph from the SW.
  • Forecast day icon
    Thursday
    60% Chance of Rain
    67°
    Forecast night icon
    Night
    50% Chance of Rain
    52°
    Thursday 5/30
    Day
    67°
    60% Chance of Rain
    Forecast day icon
    Night
    52°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a 60% chance for rain and thunderstorms. High temperature around 67F. Dew point will be around 52F with an average humidity of 74%. Winds will be 2 mph from the SW.
    Night Details
    Partly cloudy with a 45% chance for rain and thunderstorms. Low temperature around 52F. Dew point will be around 51F with an average humidity of 81%. Winds will be 1 mph from the SW.