10-Day Weather Forecast - Saint Peters, PA

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  • Weekend Weather

  • |29°F
    Partly Cloudy
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    Tonight

    29°F

    Mostly clear this evening then becoming partly cloudy. Cold. Near steady temperature in the lower 30s. South winds 5 to 10 mph with gusts up to 25 mph.

    Hourly details
  • Day

    41°F

    Partly sunny in the morning then clearing. Highs in the lower 40s. Temperature falling into the mid 30s in the afternoon. West winds 10 to 15 mph with gusts up to 30 mph.

    Night

    20°F

    Mostly clear. Cold with lows in the lower 20s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

    Hourly details
  • Day

    36°F

    Sunny in the morning then becoming partly sunny. Highs in the upper 30s. West winds 5 to 10 mph.

    Night

    26°F

    Cloudy. A chance of snow after midnight. Little or no snow accumulation. Cold. Near steady temperature in the lower 30s. Southwest winds 5 to 10 mph. Chance of snow 50 percent.

    Hourly details
  • Day

    43°F

    Cloudy. A chance of rain and snow in the morning. Highs in the mid 40s. Chance of precipitation 50 percent.

    Night

    35°F

    Cloudy in the evening then becoming partly cloudy. Lows in the lower 30s.

    Hourly details
  • Day

    43°F

    Mostly sunny. Highs in the lower 40s.

    Night

    26°F

    Cloudy. A chance of rain after midnight. Cold with lows around 30. Chance of rain 30 percent.

    Hourly details
  • Day

    44°F

    Cloudy. A chance of rain in the morning. Highs in the mid 40s. Chance of rain 50 percent.

    Night

    36°F

    Cloudy with a 30 percent chance of rain. Near steady temperature in the upper 30s.

    Hourly details
  • Day

    56°F

    Cloudy. Highs in the lower 50s.

    Night

    35°F

    Cloudy. Lows in the mid 30s.

    Hourly details
  • Weekend Weather

  • Day

    45°F

    Cloudy. Highs in the mid 40s.

    Night

    33°F

    Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 33F. Dew point will be around 28F with an average humidity of 79%. Winds will be 3 mph from the NE.

  • Day

    42°F

    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 42F. Dew point will be around 28F with an average humidity of 65%. Winds will be 3 mph from the N.

    Night

    27°F

    Partly cloudy. Low temperature around 27F. Dew point will be around 22F with an average humidity of 72%. Winds will be 5 mph from the N.

  • Day

    38°F

    Sunny. High temperature around 38F. Dew point will be around 20F with an average humidity of 58%. Winds will be 6 mph from the NW.

    Night

    22°F

    Clear. Low temperature around 22F. Dew point will be around 16F with an average humidity of 67%. Winds will be 8 mph from the N.