10-Day Weather Forecast - Saint Clair, PA

As of

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  • 75|57°F
    Mostly Sunny

    Today

    75°F

    Mostly sunny with scattered showers. Near steady temperature in the mid 70s. Northwest winds around 5 mph. Chance of rain 20 percent.

    Tonight

    57°F

    Mostly clear. Patchy fog after midnight. Lows in the mid 50s. Northwest winds around 5 mph in the evening, becoming light and variable.

    Hourly details
  • 78|64°F
    Mostly Sunny

    Day

    78°F

    Patchy fog in the morning. Mostly sunny. Highs around 80. Light and variable winds, becoming south around 5 mph in the afternoon.

    Night

    64°F

    Partly cloudy. Patchy fog after midnight. Lows in the lower 60s. Southeast winds around 5 mph. Gusts up to 20 mph after midnight.

    Hourly details
  • 77|65°F
    70% Chance of Storms

    Day

    77°F

    Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. South winds around 5 mph. Gusts up to 20 mph in the afternoon. Chance of rain 70 percent.

    Night

    65°F

    A chance of thunderstorms. Showers with lows in the lower 60s. Chance of rain 80 percent.

    Hourly details
  • 78|60°F
    30% Chance of Storms

    Day

    78°F

    Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs around 80. Chance of rain 30 percent.

    Night

    60°F

    Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 30 percent.

    Hourly details
  • 77|60°F
    Mostly Sunny

    Day

    77°F

    Mostly sunny. Highs in the upper 70s.

    Night

    60°F

    Partly cloudy in the evening, then becoming mostly clear. Lows around 60.

    Hourly details
  • 79|64°F
    Sunny

    Day

    79°F

    Sunny. Highs in the lower 80s.

    Night

    64°F

    Partly cloudy. Lows in the lower 60s.

    Hourly details
  • 83|64°F
    Mostly Sunny

    Day

    83°F

    Mostly sunny. Humid with highs in the mid 80s.

    Night

    64°F

    Mostly clear with a 30% chance for rain and thunderstorms. Low temperature around 64F. Dew point will be around 64F with an average humidity of 83%. Winds will be 2 mph from the NW.

  • 80|63°F
    30% Chance of Rain

    Day

    80°F

    Partly cloudy with a 35% chance for rain and thunderstorms. High temperature around 80F. Dew point will be around 64F with an average humidity of 74%. Winds will be 2 mph from the NW.

    Night

    63°F

    Partly cloudy with a 45% chance for rain and thunderstorms. Low temperature around 63F. Dew point will be around 63F with an average humidity of 86%. Winds will be 1 mph from the N.

  • 78|61°F
    40% Chance of Rain

    Day

    78°F

    Mostly sunny with a 35% chance for rain and thunderstorms. High temperature around 78F. Dew point will be around 62F with an average humidity of 74%. Winds will be 2 mph from the N.

    Night

    61°F

    Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 61F. Dew point will be around 61F with an average humidity of 86%. Winds will be 2 mph from the N.

  • 75|59°F
    30% Chance of Rain

    Day

    75°F

    Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 75F. Dew point will be around 60F with an average humidity of 73%. Winds will be 3 mph from the NE.

    Night

    59°F

    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 59F. Dew point will be around 59F with an average humidity of 86%. Winds will be 2 mph from the NE.