Saint Clair, Pennsylvania | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Monday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Monday 5/13
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. High temperature around 69F. Dew point will be around 51F with an average humidity of 83%. Winds will be 4 mph from the S.
    Night Details
    Partly cloudy. Lows in the lower 50s. Southeast winds 5 to 10 mph.
  • Forecast day icon
    Tuesday
    70% Chance Rain Showers
    70°
    Forecast night icon
    Night
    Rain
    57°
    Tuesday 5/14
    Day
    70°
    70% Chance Rain Showers
    Forecast day icon
    Night
    57°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then cloudy with showers likely in the afternoon. Highs in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
    Night Details
    Showers. Lows in the upper 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
  • Forecast day icon
    Wednesday
    80% Chance Rain Showers
    66°
    Forecast night icon
    Night
    80% Chance Rain Showers
    54°
    Wednesday 5/15
    Day
    66°
    80% Chance Rain Showers
    Forecast day icon
    Night
    54°
    80% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Showers likely in the morning then showers in the afternoon. Highs in the mid 60s. East winds 5 to 10 mph. Chance of rain 80 percent.
    Night Details
    Mostly cloudy. Showers mainly in the evening. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 80 percent.
  • Forecast day icon
    Thursday
    Partly Sunny
    74°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Thursday 5/16
    Day
    74°
    Partly Sunny
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the lower 70s.
    Night Details
    Partly cloudy. Lows in the mid 50s.
  • Forecast day icon
    Friday
    40% Chance Rain Showers
    74°
    Forecast night icon
    Night
    50% Chance Rain Showers
    56°
    Friday 5/17
    Day
    74°
    40% Chance Rain Showers
    Forecast day icon
    Night
    56°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 percent.
    Night Details
    Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 50 percent.
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    73°
    Forecast night icon
    Night
    50% Chance Rain Showers
    55°
    Saturday 5/18
    Day
    73°
    50% Chance Rain Showers
    Forecast day icon
    Night
    55°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A chance of showers. Highs in the upper 60s. Chance of rain 50 percent.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. A chance of showers in the evening. Lows in the mid 50s. Chance of rain 50 percent.
  • Forecast day icon
    Sunday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Partly Cloudy
    56°
    Sunday 5/19
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    56°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 70s.
    Night Details
    Partly cloudy. Lows in the mid 50s.
  • Forecast day icon
    Monday
    40% Chance Rain Showers
    77°
    Forecast night icon
    Night
    40% Chance of Rain
    57°
    Monday 5/20
    Day
    77°
    40% Chance Rain Showers
    Forecast day icon
    Night
    57°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 57F. Dew point will be around 56F with an average humidity of 82%. Winds will be 2 mph from the NW.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    76°
    Forecast night icon
    Night
    40% Chance of Rain
    58°
    Tuesday 5/21
    Day
    76°
    30% Chance of Rain
    Forecast day icon
    Night
    58°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 76F. Dew point will be around 57F with an average humidity of 67%. Winds will be 2 mph from the SW.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 58F. Dew point will be around 56F with an average humidity of 80%. Winds will be 1 mph from the SE.
  • Forecast day icon
    Wednesday
    40% Chance of Rain
    74°
    Forecast night icon
    Night
    40% Chance of Rain
    56°
    Wednesday 5/22
    Day
    74°
    40% Chance of Rain
    Forecast day icon
    Night
    56°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 74F. Dew point will be around 58F with an average humidity of 73%. Winds will be 2 mph from the W.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 56F. Dew point will be around 54F with an average humidity of 80%. Winds will be 4 mph from the N.