10-Day Weather Forecast - Saint Peters, MO

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  • |56°F
    Partly Cloudy

    Tonight

    56°F

    Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the upper 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph becoming west 5 to 10 mph after midnight. Chance of rain 20 percent.

    Hourly details
  • Day

    74°F

    Sunny. Highs in the mid 70s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

    Night

    50°F

    Clear. Lows in the upper 40s. North winds 5 to 10 mph with gusts up to 20 mph in the evening becoming light and variable.

    Hourly details
  • Day

    75°F

    Sunny. Highs in the mid 70s. Southeast winds 5 to 10 mph.

    Night

    58°F

    Partly cloudy in the evening then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

    Hourly details
  • Day

    84°F

    Mostly sunny. A chance of showers and thunderstorms in the morning. Warmer with highs in the upper 80s. Chance of rain 50 percent.

    Night

    68°F

    Mostly clear with a chance of showers and thunderstorms in the evening then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 30 percent.

    Hourly details
  • Weekend Weather

  • Day

    86°F

    Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.

    Night

    67°F

    Partly cloudy with a chance of showers and thunderstorms in the evening then mostly cloudy with a slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 50 percent.

    Hourly details
  • Day

    88°F

    Mostly sunny with a chance of showers. A slight chance of thunderstorms in the morning then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent.

    Night

    71°F

    Mostly clear in the evening then becoming partly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening then a chance of showers after midnight. Lows in the lower 70s. Chance of rain 30 percent.

    Hourly details
  • Day

    88°F

    Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 60 percent.

    Night

    68°F

    Showers likely with a slight chance of thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Chance of rain 70 percent.

    Hourly details
  • Day

    79°F

    Showers likely with a slight chance of thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Chance of rain 70 percent.

    Night

    61°F

    Partly cloudy with a 50% chance for rain and thunderstorms. Low temperature around 61F. Dew point will be around 58F with an average humidity of 73%. Winds will be 2 mph from the NW.

  • Day

    78°F

    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 78F. Dew point will be around 56F with an average humidity of 59%. Winds will be 2 mph from the NE.

    Night

    63°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 63F. Dew point will be around 58F with an average humidity of 70%. Winds will be 2 mph from the SE.

  • Day

    80°F

    Partly cloudy with a 40% chance for rain and thunderstorms. High temperature around 80F. Dew point will be around 60F with an average humidity of 61%. Winds will be 2 mph from the S.

    Night

    63°F

    Partly cloudy with a 40% chance for rain and thunderstorms. Low temperature around 63F. Dew point will be around 60F with an average humidity of 73%. Winds will be 1 mph from the SE.