10-Day Weather Forecast - Saint Peters, PA

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  • 35|31°F
    40% Chance of Rain
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    Today

    35°F

    Mostly cloudy. A chance of rain this afternoon. Highs in the lower 40s. South winds around 5 mph. Chance of rain 40 percent.

    Tonight

    31°F

    Cloudy. A chance of rain mainly in the evening. Not as cool with lows in the mid 30s. Temperature rising into the mid 40s after midnight. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

    Hourly details
  • Day

    53°F

    Rain showers likely. Breezy and not as cool with highs in the mid 50s. Temperature falling to around 40 in the afternoon. Southwest winds 10 to 15 mph with gusts up to 35 mph becoming west 15 to 25 mph with gusts up to 45 mph in the afternoon. Chance of rain 70 percent.

    Night

    24°F

    Partly cloudy in the evening then becoming mostly cloudy. Colder with lows in the mid 20s. West winds 15 to 20 mph with gusts up to 45 mph.

    Hourly details
  • Day

    33°F

    Partly sunny and blustery. Much colder with highs in the lower 30s. West winds 15 to 25 mph with gusts up to 45 mph.

    Night

    22°F

    Partly cloudy. Cold with lows in the lower 20s.

    Hourly details
  • Day

    36°F

    Partly sunny. Highs in the mid 30s.

    Night

    23°F

    Mostly cloudy. Cold with lows in the mid 20s.

    Hourly details
  • Day

    34°F

    Partly sunny in the morning then becoming mostly cloudy. Cold with highs in the lower 30s.

    Night

    14°F

    Mostly cloudy in the evening then becoming partly cloudy. Cold with lows around 20.

    Hourly details
  • Day

    26°F

    Sunny cold with highs in the upper 20s.

    Night

    19°F

    Mostly clear in the evening then becoming partly cloudy. Cold with lows around 20.

    Hourly details
  • Weekend Weather

  • Day

    38°F

    Mostly sunny. Highs in the mid 30s.

    Night

    22°F

    Partly cloudy. Low temperature around 22F. Dew point will be around 16F with an average humidity of 73%. Winds will be 2 mph from the W.

  • Day

    36°F

    Sunny. High temperature around 36F. Dew point will be around 18F with an average humidity of 61%. Winds will be 3 mph from the W.

    Night

    23°F

    Partly cloudy. Low temperature around 23F. Dew point will be around 18F with an average humidity of 77%. Winds will be 2 mph from the W.

  • Day

    37°F

    Mostly sunny. High temperature around 36F. Dew point will be around 21F with an average humidity of 66%. Winds will be 5 mph from the W.

    Night

    23°F

    Partly cloudy with a slight chance of snow. Chance of precipitation 25%. Low temperature around 23F. Dew point will be around 19F with an average humidity of 79%. Winds will be 2 mph from the NW.

  • Day

    37°F

    Partly cloudy. High temperature around 37F. Dew point will be around 20F with an average humidity of 65%. Winds will be 4 mph from the W.

    Night

    23°F

    Partly cloudy. Low temperature around 23F. Dew point will be around 20F with an average humidity of 81%. Winds will be 2 mph from the NW.