Saint Clair, Pennsylvania | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    53°
    Thursday 5/2
    Forecast night icon
    53°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Lows in the lower 50s. Northeast winds 5 to 10 mph.
  • Forecast day icon
    Friday
    Mostly Sunny
    78°
    Forecast night icon
    Night
    Mostly Cloudy
    46°
    Friday 5/3
    Day
    78°
    Mostly Sunny
    Forecast day icon
    Night
    46°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Not as warm with highs in the lower 70s. Southeast winds 5 to 10 mph.
    Night Details
    Mostly cloudy. Lows in the upper 40s. Southeast winds 5 to 10 mph.
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    68°
    Forecast night icon
    Night
    Rain
    46°
    Saturday 5/4
    Day
    68°
    50% Chance Rain Showers
    Forecast day icon
    Night
    46°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Cloudy with a 50 percent chance of showers. Much cooler with highs in the upper 50s. Southeast winds 10 to 15 mph.
    Night Details
    Cloudy. A chance of showers in the evening then showers after midnight. Lows in the mid 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
  • Forecast day icon
    Sunday
    Rain
    62°
    Forecast night icon
    Night
    50% Chance Rain Showers
    48°
    Sunday 5/5
    Day
    62°
    Rain
    Forecast day icon
    Night
    48°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Showers. Highs in the upper 50s. Chance of rain 90 percent.
    Night Details
    Mostly cloudy with a chance of showers. Patchy fog after midnight. Lows in the mid 50s. Chance of rain 50 percent.
  • Forecast day icon
    Monday
    30% Chance Rain Showers
    76°
    Forecast night icon
    Night
    30% Chance Rain Showers
    55°
    Monday 5/6
    Day
    76°
    30% Chance Rain Showers
    Forecast day icon
    Night
    55°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Patchy fog in the morning. Mostly cloudy in the morning then partly sunny with a chance of showers in the afternoon. Much warmer with highs in the mid 70s. Chance of rain 30 percent.
    Night Details
    Mostly cloudy. A chance of showers in the evening. Patchy fog after midnight. Lows in the mid 50s. Chance of rain 30 percent.
  • Forecast day icon
    Tuesday
    40% Chance Rain Showers
    79°
    Forecast night icon
    Night
    50% Chance Rain Showers
    60°
    Tuesday 5/7
    Day
    79°
    40% Chance Rain Showers
    Forecast day icon
    Night
    60°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 40 percent.
    Night Details
    Mostly cloudy with a chance of showers. Lows around 60. Chance of rain 50 percent.
  • Forecast day icon
    Wednesday
    50% Chance Rain Showers
    72°
    Forecast night icon
    Night
    50% Chance of Storms
    59°
    Wednesday 5/8
    Day
    72°
    50% Chance Rain Showers
    Forecast day icon
    Night
    59°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A chance of showers. Highs in the upper 70s. Chance of rain 50 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. A chance of showers and thunderstorms. Lows around 60. Chance of rain 50 percent.
  • Forecast day icon
    Thursday
    50% Chance Rain Showers
    81°
    Forecast night icon
    Night
    60% Chance of Rain
    54°
    Thursday 5/9
    Day
    81°
    50% Chance Rain Showers
    Forecast day icon
    Night
    54°
    60% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. Highs in the mid 70s. Chance of rain 50 percent.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 55%. Low temperature around 54F. Dew point will be around 55F with an average humidity of 75%. Winds will be 7 mph from the W.
  • Forecast day icon
    Friday
    50% Chance of Rain
    74°
    Forecast night icon
    Night
    40% Chance of Rain
    50°
    Friday 5/10
    Day
    74°
    50% Chance of Rain
    Forecast day icon
    Night
    50°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 45%. High temperature around 74F. Dew point will be around 54F with an average humidity of 63%. Winds will be 9 mph from the W.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 50F. Dew point will be around 48F with an average humidity of 70%. Winds will be 7 mph from the NW.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    71°
    Forecast night icon
    Night
    30% Chance of Rain
    47°
    Saturday 5/11
    Day
    71°
    30% Chance of Rain
    Forecast day icon
    Night
    47°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 71F. Dew point will be around 47F with an average humidity of 56%. Winds will be 9 mph from the NW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 47F. Dew point will be around 44F with an average humidity of 68%. Winds will be 6 mph from the NW.