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Weather for St. Clair, PASt. Clair, PA Weather & Current Conditions

17970 Weather (St. Clair, PA)

St. Clair, PA WeatherCurrent Conditions and Weather for St. Clair, Pennsylvania
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Lightning Observed at St. Clair (17970), temperature is 60°F16°C, dew point 41°F5°C, humidity 47%. Wind direction is E at 13 mphat 21 km/h with visibility of 10 mi16 km. Barometric pressure is 30.44 in1030 mb. Last update: 3:58 pm.*
*Time is approximately 3:58 pm Wed, Sep 23, 2026. Time will be within 15 minutes of current local time. St. Clair weather forecast data is updated every 15 minutes.

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St. Clair PA Weather - 3:58 pm

St. Clair Weather Forecast

Weather forecast for: Saint Clair PA
Last Update: 2:26 pm EDT Sep 23, 2026
Tonight: Partly cloudy, with a low around 46. Northeast wind 3 to 7 mph.
Thursday: Sunny, with a high near 67. Northeast wind around 6 mph, with gusts as high as 21 mph.
Thursday Night: Partly cloudy, with a low around 47. Calm wind.
Friday: Mostly sunny, with a high near 70. North wind 5 to 7 mph, with gusts as high as 21 mph.
Friday Night: Partly cloudy, with a low around 50. North wind around 6 mph, with gusts as high as 23 mph.
Saturday: Mostly sunny, with a high near 69.
Saturday Night: Mostly cloudy, with a low around 51.
Sunday: Partly sunny, with a high near 68.
Sunday Night: Mostly cloudy, with a low around 51.
Monday: Mostly sunny, with a high near 69.
Monday Night: Partly cloudy, with a low around 50.
Tuesday: Mostly sunny, with a high near 71.
Tuesday Night: Mostly clear, with a low around 52.
Wednesday: Mostly sunny, with a high near 75.

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