10-Day Weather Forecast - Saint Clair, MO

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  • 83|66°F
    Mostly Sunny
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    Today

    83°F

    Mostly sunny. High temperature around 83F. Dew point will be around 64F with an average humidity of 78%. Winds will be 10 mph from the SW.

    Tonight

    66°F

    Mostly cloudy. Showers and thunderstorms likely after midnight. Cooler with lows in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent.

    Hourly details
  • Day

    65°F

    Showers with a chance of thunderstorms in the morning then showers likely in the afternoon. Much cooler. Less humid with highs in the upper 60s. Temperature falling into the lower 50s in the afternoon. West winds 10 to 15 mph becoming northwest in the afternoon. Gusts up to 30 mph. Chance of rain 90 percent.

    Night

    34°F

    Mostly cloudy in the evening then clearing. Much cooler with lows in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 30 mph.

    Hourly details
  • Day

    55°F

    Sunny cooler with highs in the upper 50s. Southwest winds 5 to 10 mph.

    Night

    46°F

    Partly cloudy. Not as cool with lows in the mid 40s. Southwest winds 10 to 15 mph with gusts up to 30 mph.

    Hourly details
  • Day

    60°F

    Partly sunny. Highs in the mid 60s.

    Night

    38°F

    Partly cloudy in the evening then clearing. Lows in the upper 30s.

    Hourly details
  • Weekend Weather

  • Day

    68°F

    Sunny. Highs in the lower 70s.

    Night

    56°F

    Partly cloudy in the evening then mostly cloudy with a slight chance of rain and thunderstorms after midnight. Not as cool with lows around 50. Chance of rain 20 percent.

    Hourly details
  • Day

    59°F

    A slight chance of thunderstorms in the morning. Rain likely. Highs in the mid 60s. Chance of rain 70 percent.

    Night

    22°F

    Mostly cloudy with a chance of rain and snow in the evening then partly cloudy with a slight chance of snow after midnight. Much cooler with lows around 20. Chance of precipitation 30 percent.

    Hourly details
  • Day

    34°F

    Sunny. Much cooler with highs in the upper 30s.

    Night

    21°F

    Mostly clear in the evening then becoming partly cloudy. Lows around 20.

  • Day

    44°F

    Partly sunny in the morning then becoming mostly cloudy. Highs in the upper 40s.

    Night

    33°F

    Cloudy. Low temperature around 33F. Dew point will be around 26F with an average humidity of 66%. Winds will be 5 mph from the S.

  • Day

    52°F

    Cloudy. High temperature around 52F. Dew point will be around 34F with an average humidity of 65%. Winds will be 4 mph from the S.

    Night

    39°F

    Partly cloudy. Low temperature around 39F. Dew point will be around 36F with an average humidity of 74%. Winds will be 2 mph from the SE.

  • Day

    61°F

    Partly cloudy. High temperature around 61F. Dew point will be around 43F with an average humidity of 72%. Winds will be 6 mph from the S.

    Night

    50°F

    Partly cloudy. Low temperature around 50F. Dew point will be around 47F with an average humidity of 75%. Winds will be 5 mph from the SW.