10-Day Weather Forecast - Upper Saint Clair, PA

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  • 79|60°F
    70% Chance of Storms
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    Today

    79°F

    Mostly cloudy with numerous showers this morning then partly sunny with scattered showers and thunderstorms this afternoon. Warm with highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent.

    Tonight

    60°F

    Scattered thunderstorms. Numerous showers mainly in the evening. Mild. Lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.

    Hourly details
  • Weekend Weather

  • Day

    83°F

    Partly cloudy with scattered showers in the morning then partly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Unseasonably warm with highs in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

    Night

    56°F

    A slight chance of thunderstorms. Showers. Lows in the upper 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

    Hourly details
  • Day

    54°F

    Showers mainly in the morning. Much cooler. Near steady temperature in the lower 50s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.

    Night

    36°F

    Mostly cloudy. Lows in the mid 30s.

    Hourly details
  • Day

    55°F

    Partly cloudy in the morning then partly sunny with a chance of rain showers in the afternoon. Highs in the lower 50s. Chance of rain 30 percent.

    Night

    36°F

    Partly cloudy with a chance of rain showers in the evening then mostly cloudy after midnight. Lows in the lower 30s. Chance of rain 30 percent.

    Hourly details
  • Day

    43°F

    Partly sunny in the morning then becoming partly cloudy. Cool with highs in the mid 40s.

    Night

    28°F

    Mainly clear. Lows in the mid 20s.

    Hourly details
  • Day

    62°F

    Mostly sunny. Highs around 60.

    Night

    40°F

    Partly cloudy in the evening then becoming mostly cloudy. Not as cool with lows in the lower 40s.

    Hourly details
  • Day

    69°F

    Mostly sunny. Highs around 70.

    Night

    47°F

    Clear. Low temperature around 47F. Dew point will be around 38F with an average humidity of 53%. Winds will be 2 mph from the S.

  • Day

    71°F

    Sunny. High temperature around 71F. Dew point will be around 43F with an average humidity of 54%. Winds will be 2 mph from the E.

    Night

    50°F

    Mostly clear. Low temperature around 50F. Dew point will be around 44F with an average humidity of 64%. Winds will be 4 mph from the E.

  • Weekend Weather

  • Day

    74°F

    Sunny. High temperature around 74F. Dew point will be around 48F with an average humidity of 57%. Winds will be 5 mph from the SE.

    Night

    55°F

    Partly cloudy. Low temperature around 55F. Dew point will be around 49F with an average humidity of 66%. Winds will be 4 mph from the SE.

  • Day

    72°F

    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 72F. Dew point will be around 53F with an average humidity of 65%. Winds will be 2 mph from the S.

    Night

    56°F

    Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 56F. Dew point will be around 51F with an average humidity of 72%. Winds will be 2 mph from the SE.