Saint Clair, PA Weather Tomorrow

Need tomorrow's weather for Saint Clair? This 5 day forecast provides precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction for the Saint Clair area and around Schuylkill county, Pennsylvania.
Updated: Tue Oct 27th 2026 7:30 AM EDT
Saint Clair, PA Weather – 10-27 – Sunny
60° / 42°
Sunny
Saint Clair is set for a sunny day with temperatures peaking at 60°F and dipping to 42°F. There's a very small chance of rainfall, only about 9%. Winds will be light at 8mph and gusts of 14.8mph at 10 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 90% at 8 AM and 43% being its lowest at 2 PM. Barometric pressure is its highest of 30.41inHg at 10 PM, a lowest point of 30.33inHg at 3 PM with an avg 30.37inHg.
Saint Clair, PA Weather – 10-28 – Overcast
59° / 39°

Weather Tomorrow

Overcast
In Saint Clair, it will be overcast with highs near 59°F and lows around 39°F. There might be light rainfall having a 14% chance. Winds will be light at 9mph and gusts of 14.9mph at 2 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 91% at 7 PM and 58% being its lowest at 2 PM. Barometric pressure is its highest of 30.46inHg at 9 AM, a lowest point of 30.35inHg at 5 PM with an avg 30.4inHg.
Saint Clair, PA Weather – 10-29 – Sunny
66° / 42°
Sunny
Saint Clair may see a sunny day, with daytime highs of 66°F and overnight lows near 42°F. There might be light rainfall having a 18% chance. Winds will be light at 8mph and gusts of 15.5mph at 2 PM. High humidity with average of 88% is anticipated, the maximum being 100% at 8 AM and 62% being its lowest at 4 PM. Barometric pressure is its highest of 30.35inHg at 12 AM, a lowest point of 30.13inHg at 11 PM with an avg 30.24inHg.
Saint Clair, PA Weather – 10-30 – Sunny
67° / 43°
Sunny
In Saint Clair, it will be sunny with highs near 67°F and lows around 43°F. There might be light rainfall having a 11% chance with an estimated 0in. Wind will be moderate, blowing around 11mph on average and gusts of 25.1mph at 7 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 93% at 12 AM and 44% being its lowest at 3 PM. Barometric pressure is its highest of 30.29inHg at 11 PM, a lowest point of 30.09inHg at 5 AM with an avg 30.15inHg.
Saint Clair, PA Weather – 10-31 – Overcast
61° / 36°
Overcast
Skies will be overcast in Saint Clair, with a high of 61°F and a low of 36°F. There might be light rainfall having a 13% chance. Winds will be light at 7mph and gusts of 17.7mph at 3 AM. The humidity will be on the higher side, averaging about 68%, the maximum being 90% at 7 AM and 44% being its lowest at 2 PM. Barometric pressure is its highest of 30.46inHg at 10 AM, a lowest point of 30.32inHg at 2 AM with an avg 30.39inHg.
Saint Clair, PA Weather – 11-1 – Overcast
58° / 45°
Overcast
Daytime highs will reach 58°F with lows dropping to 45°F in Saint Clair, where skies will be overcast. There's a moderate 28% chance of rainfall with an estimated 0in. Winds will be light at 8mph and gusts of 22.8mph at 11 PM. The humidity will be on the higher side, averaging about 77%, the maximum being 88% at 11 PM and 67% being its lowest at 1 PM. Barometric pressure is its highest of 30.42inHg at 6 AM, a lowest point of 30.22inHg at 11 PM with an avg 30.35inHg.

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