10-Day Weather Forecast - Saint Clair, PA

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  • |41°F
    Rain
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    Tonight

    41°F

    Rain likely late this evening then rain. Rain may be heavy at times. Mild. Lows around 40. Temperature rising into the upper 40s. Southeast winds 5 to 10 mph with gusts up to 30 mph increasing to 15 to 20 mph with gusts up to 40 mph. Chance of rain near 100 percent.

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  • Day

    53°F

    Rain in the morning then partly sunny with a chance of rain with a slight chance of snow showers in the afternoon. Little or no snow accumulation. Highs in the lower 50s. Temperature falling into the lower 30s in the afternoon. Southwest winds 15 to 20 mph with gusts up to 40 mph becoming west with gusts up to 50 mph in the afternoon. Chance of precipitation near 100 percent.

    Night

    24°F

    Mostly cloudy in the evening then clearing. Blustery and much cooler with lows in the lower 20s. West winds 15 to 25 mph. Gusts up to 50 mph decreasing to 40 mph after midnight.

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  • Weekend Weather

  • Day

    33°F

    Mostly sunny. Much cooler with highs in the mid 30s. West winds 5 to 10 mph becoming south in the afternoon.

    Night

    31°F

    Mostly cloudy. Lows in the upper 20s. South winds 5 to 10 mph with gusts up to 25 mph.

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  • Day

    38°F

    Mostly sunny. Highs in the upper 30s. Temperature falling into the lower 30s in the afternoon.

    Night

    22°F

    Partly cloudy. Lows in the lower 20s.

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  • Day

    33°F

    Mostly sunny. Highs in the lower 30s.

    Night

    27°F

    Mostly cloudy. Lows in the lower 20s.

    Hourly details
  • Day

    39°F

    Cloudy. Highs in the upper 30s.

    Night

    33°F

    Mostly cloudy. Lows around 30.

    Hourly details
  • Day

    38°F

    Partly sunny. Highs in the lower 40s.

    Night

    28°F

    Mostly cloudy. Lows in the upper 20s.

    Hourly details
  • Day

    43°F

    Mostly cloudy. A chance of rain in the morning. Highs in the lower 40s. Chance of rain 30 percent.

    Night

    42°F

    Cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 42F. Dew point will be around 40F with an average humidity of 91%. Winds will be 2 mph from the S.

  • Day

    52°F

    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 52F. Dew point will be around 42F with an average humidity of 81%. Winds will be 4 mph from the W.

    Night

    37°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 37F. Dew point will be around 37F with an average humidity of 83%. Winds will be 3 mph from the NW.

  • Weekend Weather

  • Day

    47°F

    Mostly cloudy. High temperature around 47F. Dew point will be around 35F with an average humidity of 72%. Winds will be 3 mph from the NW.

    Night

    34°F

    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 34F. Dew point will be around 32F with an average humidity of 78%. Winds will be 3 mph from the N.