Saint Clair, Pennsylvania | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    Sunny
    81°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Thursday 5/2
    Day
    81°
    Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 80s. Northwest winds around 10 mph with gusts up to 20 mph.
    Night Details
    Mostly clear. Lows in the lower 50s. North winds 5 to 10 mph with gusts up to 20 mph becoming northeast after midnight.
  • Forecast day icon
    Friday
    Mostly Sunny
    76°
    Forecast night icon
    Night
    Mostly Cloudy
    47°
    Friday 5/3
    Day
    76°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    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 10 to 15 mph.
  • Forecast day icon
    Saturday
    40% Chance Rain Showers
    63°
    Forecast night icon
    Night
    70% Chance Rain Showers
    46°
    Saturday 5/4
    Day
    63°
    40% Chance Rain Showers
    Forecast day icon
    Night
    46°
    70% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers in the afternoon. Cooler with highs around 60. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.
    Night Details
    Cloudy. A chance of showers in the evening then showers likely after midnight. Lows in the upper 40s. Chance of rain 70 percent.
  • Forecast day icon
    Sunday
    70% Chance Rain Showers
    61°
    Forecast night icon
    Night
    50% Chance of Storms
    53°
    Sunday 5/5
    Day
    61°
    70% Chance Rain Showers
    Forecast day icon
    Night
    53°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely. Highs around 60. Chance of rain 70 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. Chance of rain 50 percent.
  • Forecast day icon
    Monday
    Partly Sunny
    76°
    Forecast night icon
    Night
    Partly Cloudy
    59°
    Monday 5/6
    Day
    76°
    Partly Sunny
    Forecast day icon
    Night
    59°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. Warmer with highs in the mid 70s.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 50s.
  • Forecast day icon
    Tuesday
    30% Chance Rain Showers
    77°
    Forecast night icon
    Night
    40% Chance Rain Showers
    61°
    Tuesday 5/7
    Day
    77°
    30% Chance Rain Showers
    Forecast day icon
    Night
    61°
    40% 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 30 percent.
    Night Details
    Mostly cloudy with a 40 percent chance of showers. Lows in the upper 50s.
  • Forecast day icon
    Wednesday
    50% Chance Rain Showers
    80°
    Forecast night icon
    Night
    50% Chance of Rain
    60°
    Wednesday 5/8
    Day
    80°
    50% Chance Rain Showers
    Forecast day icon
    Night
    60°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 50 percent.
    Night Details
    Partly cloudy with a 50% chance for rain and thunderstorms. Low temperature around 60F. Dew point will be around 63F with an average humidity of 87%. Winds will be 3 mph from the SW.
  • Forecast day icon
    Thursday
    50% Chance of Storms
    83°
    Forecast night icon
    Night
    50% Chance of Rain
    60°
    Thursday 5/9
    Day
    83°
    50% Chance of Storms
    Forecast day icon
    Night
    60°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 60% chance for rain and thunderstorms. High temperature around 83F. Dew point will be around 64F with an average humidity of 68%. Winds will be 7 mph from the W.
    Night Details
    Partly cloudy with a 45% chance for rain and thunderstorms. Low temperature around 60F. Dew point will be around 60F with an average humidity of 77%. Winds will be 4 mph from the W.
  • Forecast day icon
    Friday
    40% Chance of Rain
    76°
    Forecast night icon
    Night
    30% Chance of Rain
    54°
    Friday 5/10
    Day
    76°
    40% Chance of Rain
    Forecast day icon
    Night
    54°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 76F. Dew point will be around 58F with an average humidity of 66%. Winds will be 8 mph from the W.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 54F. Dew point will be around 53F with an average humidity of 73%. Winds will be 7 mph from the NW.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    68°
    Forecast night icon
    Night
    30% Chance of Rain
    50°
    Saturday 5/11
    Day
    68°
    30% Chance of Rain
    Forecast day icon
    Night
    50°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 68F. Dew point will be around 50F with an average humidity of 62%. Winds will be 8 mph from the NW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 50F. Dew point will be around 47F with an average humidity of 73%. Winds will be 6 mph from the NW.