10-Day Weather Forecast - Saint Clair, PA

Patchy fog in the morning. Mostly sunny. Highs in the upper 70s. Light and variable winds, becoming south around 5 mph in the afternoon.

Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Patchy fog after midnight. Lows in the lower 60s. Southeast winds around 5 mph. Chance of rain 50 percent.

Partly sunny with a chance of showers and thunderstorms in the morning, then mostly cloudy with showers with a chance of thunderstorms in the afternoon. Some thunderstorms may produce gusty winds in the afternoon. Humid with highs in the upper 70s. South winds around 5 mph. Chance of rain 90 percent.

Showers with a chance of thunderstorms in the evening, then showers likely after midnight. Some thunderstorms may produce gusty winds in the evening. Humid with lows in the lower 60s. Chance of rain 90 percent.

Partly sunny. Humid with highs around 80.

Partly cloudy. Lows in the upper 50s.

Mostly sunny. Highs in the upper 70s.

Mostly clear. Lows in the upper 50s.

Mostly sunny. Highs around 80.

Partly cloudy. Lows in the lower 60s.

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

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.

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.

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.

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.

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.

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.

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.