Weather in Upper Saint Clair, Pennsylvania, United States

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7-Day Detailed Weather Forecast for Upper Saint Clair

This Afternoon

Temperature: 80°F

Wind Speed: 12 to 16 mph

Wind Direction: SW

Forecast: A slight chance of showers and thunderstorms before 4pm, then showers and thunderstorms likely between 4pm and 5pm, then showers and thunderstorms likely. Some of the storms could be severe. Mostly cloudy, with a high near 80. Southwest wind 12 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Tonight

Temperature: 55°F

Wind Speed: 7 to 14 mph

Wind Direction: W

Forecast: Showers and thunderstorms before 9pm, then a slight chance of showers and thunderstorms between 9pm and 10pm. Some of the storms could be severe. Mostly cloudy, with a low around 55. West wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

Monday

Temperature: 69°F

Wind Speed: 7 to 10 mph

Wind Direction: NW

Forecast: Partly sunny, with a high near 69. Northwest wind 7 to 10 mph.

Monday Night

Temperature: 50°F

Wind Speed: 1 to 9 mph

Wind Direction: W

Forecast: Mostly clear, with a low around 50. West wind 1 to 9 mph.

Tuesday

Temperature: 75°F

Wind Speed: 3 to 8 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 75. Southwest wind 3 to 8 mph.

Tuesday Night

Temperature: 57°F

Wind Speed: 7 mph

Wind Direction: S

Forecast: Mostly cloudy, with a low around 57.

Wednesday

Temperature: 78°F

Wind Speed: 7 to 15 mph

Wind Direction: SW

Forecast: Partly sunny, with a high near 78.

Wednesday Night

Temperature: 64°F

Wind Speed: 7 to 18 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms between 8pm and 2am, then showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 80%.

Thursday

Temperature: 82°F

Wind Speed: 23 mph

Wind Direction: SW

Forecast: Showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 90%.

Thursday Night

Temperature: 61°F

Wind Speed: 8 to 21 mph

Wind Direction: SW

Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

Juneteenth

Temperature: 76°F

Wind Speed: 8 to 16 mph

Wind Direction: W

Forecast: A chance of rain showers before 2pm. Mostly sunny, with a high near 76. Chance of precipitation is 50%.

Friday Night

Temperature: 57°F

Wind Speed: 7 to 14 mph

Wind Direction: W

Forecast: Mostly clear, with a low around 57.

Saturday

Temperature: 77°F

Wind Speed: 7 to 16 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 77.

Saturday Night

Temperature: 58°F

Wind Speed: 5 to 14 mph

Wind Direction: W

Forecast: A slight chance of rain showers after 2am. Partly cloudy, with a low around 58.