10-Day Weather Forecast - Saint Peters, PA

-
  • |46°F
    Rain
    Arrow up

    Tonight

    46°F

    Partly cloudy with likely rain. Chance of precipitation 95%. Low temperature around 46F. Dew point will be around 47F with an average humidity of 90%. Winds will be 3 mph from the SW.

    Hourly details
  • Weekend Weather

  • Day

    56°F

    Areas of dense fog this morning. Mostly sunny. Visibility one quarter mile or less at times this morning. Highs in the upper 50s. North winds 5 to 10 mph.

    Night

    43°F

    Mostly cloudy. Lows in the lower 40s. East winds around 5 mph becoming south with gusts up to 20 mph after midnight.

    Hourly details
  • Day

    72°F

    Mostly cloudy in the morning then partly sunny with a chance of showers in the afternoon. Warmer with highs in the lower 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 30 percent.

    Night

    45°F

    Showers likely with a chance of thunderstorms in the evening then showers after midnight. Lows in the lower 40s. Northwest winds around 10 mph becoming north after midnight. Chance of rain 90 percent.

    Hourly details
  • Day

    51°F

    Mostly cloudy with showers in the morning then mostly sunny with a chance of showers in the afternoon. Much cooler with highs around 50. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.

    Night

    28°F

    Mostly clear. Much colder with lows in the upper 20s.

    Hourly details
  • Day

    46°F

    Sunny. Highs in the upper 40s.

    Night

    32°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s.

    Hourly details
  • Day

    51°F

    Partly sunny. Highs in the lower 50s.

    Night

    30°F

    Mostly cloudy. Lows in the mid 30s.

    Hourly details
  • Day

    52°F

    Mostly cloudy. Highs in the mid 50s.

    Night

    47°F

    Mostly cloudy. A chance of rain in the evening then rain likely after midnight. Lows in the lower 40s. Chance of rain 60 percent.

    Hourly details
  • Day

    52°F

    Partly sunny. Rain likely mainly in the morning. Highs in the lower 50s. Chance of rain 60 percent.

    Night

    29°F

    Mostly cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 29F. Dew point will be around 20F with an average humidity of 51%. Winds will be 10 mph from the N.

  • Weekend Weather

  • Day

    46°F

    Mostly sunny. High temperature around 46F. Dew point will be around 13F with an average humidity of 36%. Winds will be 4 mph from the N.

    Night

    31°F

    Partly cloudy. Low temperature around 31F. Dew point will be around 20F with an average humidity of 57%. Winds will be 1 mph from the NE.

  • Day

    49°F

    Cloudy. High temperature around 49F. Dew point will be around 26F with an average humidity of 53%. Winds will be 1 mph from the NW.

    Night

    34°F

    Cloudy. Low temperature around 34F. Dew point will be around 28F with an average humidity of 68%. Winds will be 2 mph from the N.