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Saint Clair, PA Weather Conditions

Updated: Wed Mar 11th 2026 6:15 AM EDT

Cloudy

51^°F 11^°C

Feels Like 52^°F / 11^°C

Saint Clair, PA weather condition is Cloudy and 51°F.

Today's Weather in Saint Clair,PA

The current weather in Saint Clair PA as of 6:15 AM EDT on Wed Mar 11th 2026, has a sky condition of Cloudy with the visibility of 9 mile(s). It is 51 degrees fahrenheit but feels like 52 degrees. The barometric pressure is 29.88 - measured by inches of mercury - and is falling since its last observation. The humidity is 97 percent that's rising since the last report, with a dew point of 50 degrees fahrenheit which is falling. Wind direction is from the Southeast at 2.5 miles per hour, gusting at 5.2 miles per hour. Sunrise is at 7:23 AM and Sunset is at 7:07 PM. The moon phase is a Last Quarter moon rising at 2:52 AM. Thank you for listening to the weather report from LocalConditions.com!

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Sun & Moon

Sun

Sunrise: 7:23 AM

Sunset: 7:07 PM

As of:

Moon

Moonrise: 2:52 AM

Moonset: 11:28 AM

Phase: Last Quarter Moon

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Radar Alerts Next 48 Hours Traffic

Hourly Forecast - Next 8 hours

Next 5 Days...

Overcast

Overcast with a high of 45°F and a low of 31°F. Winds will be moderate, blowing around 18mph. The humidity will be on the higher side, reaching around 67%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 45° \| Lo 31°	67%	0%	0%	17.4 mph

Scattered Rain

Scattered Rain with a high of 43°F and a low of 27°F. Probable rainfall forecasted, having an 85% chance with an estimated 0.04in. Winds will be moderate, blowing around 17mph. Humidity levels are comfortable, sitting around 58%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 43° \| Lo 27°	58%	85% \| est. 0.04in	0% \| est. 0in	17 mph

Sunny

Sunny with a high of 44°F and a low of 31°F. Winds will be strong at speeds peaking at 22mph. Humidity levels are comfortable, sitting around 55%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 44° \| Lo 31°	55%	0% \| est. 0in	0%	21.5 mph

Overcast

Overcast with a high of 61°F and a low of 35°F. Winds will be moderate, blowing around 17mph. The humidity will be on the higher side, reaching around 70%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 61° \| Lo 35°	70%	0%	0%	16.1 mph

Scattered Rain

Scattered Rain with a high of 48°F and a low of 26°F. Probable rainfall forecasted, having an 84% chance with an estimated 0.03in. Winds will be moderate, blowing around 16mph. The humidity will be on the higher side, reaching around 77%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 48° \| Lo 26°	77%	84% \| est. 0.03in	0% \| est. 0in	15.9 mph

Yesterday 5-Day Wind

Weather Radar Map

Live Saint Clair, PA weather with minute-by-minute precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Sunday, as you toggle through each map layer. Use the slider to move forward and back in time to view how current data and forecasts will affect the region; you can press or click on the map to show metrics available for each tab. The related timestamp is located above the Play button which will animate the weather forecast.

Hourly Temperature

The current temperature today is 51^°F. The morning temperature of 51°^F is lowest at 6am with the daytime high of 62°^F at 7pm and a low around 54°^F at 11am is expected.

Hourly Barometric Pressure

The highest pressure today is 30.01^inHg at 2am and lowest being 29.63^inHg at 11pm.

Hourly Wind Speeds

The fastest wind is reported to be 13^mph at 11pm, while the slowest is 1.3^mph around 2am; expect wind gusts peaking 22^mph at 10pm. View live wind conditions in Saint Clair

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