10-Day Weather Forecast - Saint Clair, PA
- 59|45°FRainHourly details
Today
59°FPartly sunny this morning then mostly cloudy with rain this afternoon. Not as cool with highs in the upper 50s. South winds 5 to 10 mph with gusts up to 30 mph. Chance of rain 90 percent.
Tonight
45°FMostly cloudy. Rain with a slight chance of thunderstorms in the evening. Lows around 40. Southwest winds 5 to 10 mph becoming northwest after midnight. Gusts up to 25 mph. Chance of rain 80 percent.
Weekend Weather
- 53|42°FMostly SunnyHourly details
Day
53°FMostly sunny. Highs in the lower 50s. North winds 5 to 10 mph with gusts up to 20 mph.
Night
42°FMostly cloudy. Lows in the upper 30s. Northeast winds around 5 mph becoming southeast after midnight.
- 64|49°FPartly SunnyHourly details
Day
64°FMostly cloudy in the morning then becoming partly sunny. Not as cool with highs in the mid 60s. South winds 5 to 10 mph with gusts up to 20 mph.
Night
49°FRain likely. Mild. Lows in the lower 40s. Chance of rain 70 percent.
- 51|27°F70% Chance of RainHourly details
Day
51°FMostly cloudy with rain likely in the morning then mostly sunny with a chance of rain in the afternoon. Much cooler with highs in the upper 40s. Chance of rain 70 percent.
Night
27°FPartly cloudy. Much cooler with lows in the mid 20s.
- 44|34°FMostly SunnyHourly details
Day
44°FMostly sunny. Highs in the mid 40s.
Night
34°FMostly cloudy. Lows in the lower 30s.
- 45|33°FPartly SunnyHourly details
Day
45°FPartly sunny. Highs in the upper 40s.
Night
33°FPartly cloudy in the evening then mostly cloudy with a chance of rain and snow after midnight. Lows in the lower 30s. Chance of precipitation 30 percent.
- 53|42°F30% Chance Frozen Mix
Day
53°FMostly cloudy with a chance of rain and snow in the morning then partly sunny in the afternoon. Highs in the mid 50s. Chance of precipitation 30 percent.
Night
42°FCloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 42F. Dew point will be around 39F with an average humidity of 74%. Winds will be 7 mph from the SW.
- 46|28°F50% Chance of Rain
Day
46°FCloudy with a chance of rain. Chance of precipitation 50%. High temperature around 46F. Dew point will be around 33F with an average humidity of 65%. Winds will be 10 mph from the NW.
Night
28°FPartly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 28F. Dew point will be around 23F with an average humidity of 62%. Winds will be 9 mph from the NW.
Weekend Weather
- 43|31°FSunny
Day
43°FSunny. High temperature around 43F. Dew point will be around 19F with an average humidity of 49%. Winds will be 7 mph from the NW.
Night
31°FClear. Low temperature around 31F. Dew point will be around 22F with an average humidity of 58%. Winds will be 2 mph from the W.













