10-Day Weather Forecast - Saint Peters, PA

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  • Weekend Weather

  • 23|2°F
    Mostly Sunny
    Arrow up

    Today

    23°F

    Mostly sunny and blustery. Much colder with highs around 11. Northwest winds 20 to 25 mph with gusts up to 60 mph. Wind chill values as low as 18 below.

    Tonight

    2°F

    Mostly clear and blustery cold with lows around 2 above. Northwest winds 15 to 25 mph. Gusts up to 50 mph in the evening. Wind chill values as low as 16 below.

    Hourly details
  • Day

    17°F

    Sunny cold with highs around 16. Northwest winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 17 below.

    Night

    2°F

    Mostly clear. Cold with lows around 4 above. Northwest winds 10 to 15 mph. Wind chill values as low as 9 below after midnight.

    Hourly details
  • Day

    28°F

    Mostly sunny. Not as cold with highs in the mid 20s. Northwest winds 5 to 10 mph. Wind chill values as low as 9 below in the morning.

    Night

    12°F

    Partly cloudy in the evening then becoming mostly cloudy. Cold with lows around 10 above.

    Hourly details
  • Day

    37°F

    Mostly cloudy. Highs in the mid 30s.

    Night

    28°F

    Mostly cloudy. Not as cold with lows in the mid 20s. Temperature rising into the upper 20s after midnight.

    Hourly details
  • Day

    41°F

    Mostly cloudy. A chance of rain in the afternoon. Highs in the upper 30s. Chance of rain 30 percent.

    Night

    21°F

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

    Hourly details
  • Day

    35°F

    Partly sunny in the morning then becoming mostly cloudy. Highs in the mid 30s.

    Night

    21°F

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

    Hourly details
  • Day

    34°F

    Mostly cloudy. A chance of snow in the afternoon. Highs in the mid 30s. Chance of snow 30 percent.

    Night

    24°F

    Partly cloudy with a slight chance of snow. Chance of precipitation 30%. Low temperature around 24F. Dew point will be around 17F with an average humidity of 69%. Winds will be 4 mph from the NW.

  • Weekend Weather

  • Day

    38°F

    Sunny with a slight chance of rain-snow mix. Chance of precipitation 25%. High temperature around 38F. Dew point will be around 16F with an average humidity of 48%. Winds will be 5 mph from the N.

    Night

    25°F

    Mostly clear. Low temperature around 25F. Dew point will be around 18F with an average humidity of 67%. Winds will be 2 mph from the N.

  • Day

    39°F

    Mostly sunny with a slight chance of rain-snow mix. Chance of precipitation 25%. High temperature around 39F. Dew point will be around 17F with an average humidity of 49%. Winds will be 2 mph from the NE.

    Night

    30°F

    Cloudy. Low temperature around 30F. Dew point will be around 22F with an average humidity of 69%. Winds will be 2 mph from the SE.

  • Day

    43°F

    Cloudy. High temperature around 43F. Dew point will be around 22F with an average humidity of 51%. Winds will be 3 mph from the W.

    Night

    30°F

    Mostly cloudy. Low temperature around 30F. Dew point will be around 22F with an average humidity of 67%. Winds will be 2 mph from the W.