Greenville, PA Weather Tomorrow

Get a closer look at tomorrow's weather in Greenville and the upcoming 5 day forecast with 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 across the Greenville area and around Mercer county, Pennsylvania.
Updated: Wed Nov 11th 2026 10:30 PM EST
Greenville, PA Weather – 11-11 – Overcast
57° / 39°
Overcast
Greenville may see cloud-filled skies, with daytime highs of 57°F and overnight lows near 39°F. There's a moderate 36% chance of rainfall with an estimated 0.01in. Winds will be light at 6mph and gusts of 10.9mph at 11 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 78% at 11 PM and 78% being its lowest at 11 PM. Barometric pressure is its highest of 29.7inHg at 11 PM, a lowest point of 29.7inHg at 11 PM with an avg 29.7inHg.
Greenville, PA Weather – 11-12 – Scattered Showers
50° / 40°

Weather Tomorrow

Scattered Showers
Showers likely at times in Greenville, with a high of 50°F and a low of 40°F. The chance of rain is 85% with an estimated 0.25in. Wind will be moderate, blowing around 12mph on average and gusts of 22mph at 7 PM. High humidity with average of 81% is anticipated, the maximum being 94% at 7 AM and 68% being its lowest at 2 PM. Barometric pressure is its highest of 29.71inHg at 11 PM, a lowest point of 29.57inHg at 1 PM with an avg 29.63inHg.
Greenville, PA Weather – 11-13 – Scattered Showers
40° / 33°
Scattered Showers
Greenville is set for passing showers with temperatures peaking at 40°F and dipping to 33°F. There's a moderate 35% chance of rainfall with an estimated 0.01in. Snow is likely with a 36% chance with an estimated 0.1in. Wind will be moderate, blowing around 11mph on average and gusts of 18.5mph at 4 PM. The humidity will be on the higher side, averaging about 75%, the maximum being 94% at 11 PM and 58% being its lowest at 3 PM. Barometric pressure is its highest of 29.89inHg at 10 PM, a lowest point of 29.71inHg at 12 AM with an avg 29.8inHg.
Greenville, PA Weather – 11-14 – Moderate Or Heavy Snow Showers
39° / 32°
Moderate Or Heavy Snow Showers
Greenville could see moderate Or Heavy Snow Showers with daytime highs of 39°F and nighttime lows near 32°F. The chance of rain is 84% with an estimated 0.14in. Snow is likely with a 74% chance with an estimated 0.9in. Wind will be moderate, blowing around 12mph on average and gusts of 21.9mph at 1 PM. High humidity with average of 91% is anticipated, the maximum being 98% at 7 AM and 77% being its lowest at 12 PM. Barometric pressure is its highest of 30.13inHg at 11 PM, a lowest point of 29.89inHg at 12 AM with an avg 29.99inHg.
Greenville, PA Weather – 11-15 – Scattered Showers
42° / 35°
Scattered Showers
In Greenville, showers likely at times with highs near 42°F and lows around 35°F. The chance of rain is 76% with an estimated 0.07in. Snow is likely with a 49% chance with an estimated 0.1in. Winds will be light at 10mph and gusts of 17.5mph at 9 AM. High humidity with average of 88% is anticipated, the maximum being 97% at 12 AM and 77% being its lowest at 2 PM. Barometric pressure is its highest of 30.42inHg at 11 PM, a lowest point of 30.14inHg at 12 AM with an avg 30.3inHg.
Greenville, PA Weather – 11-16 – Overcast
44° / 37°
Overcast
Cloud-filled skies are in the forecast for Greenville, with a high of 44°F and a low of 37°F. There might be light rainfall having a 24% chance with an estimated 0in. Winds will be light at 6mph and gusts of 17mph at 12 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 85% at 12 AM and 63% being its lowest at 4 PM. Barometric pressure is its highest of 30.53inHg at 9 AM, a lowest point of 30.43inHg at 12 AM with an avg 30.5inHg.

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