Mill Run, PA Weather Tomorrow

From tomorrow through the next 5 days, stay updated on Mill Run weather 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 for the Mill Run area and around Fayette county, Pennsylvania.
Updated: Wed Sep 9th 2026 3:45 AM EDT
Mill Run, PA Weather – 9-9 – Overcast
81° / 68°
Overcast
In Mill Run, it will be overcast with highs near 81°F and lows around 68°F. There's a very small chance of rainfall, only about 10% with an estimated 0in. Wind will be moderate, blowing around 12mph on average and gusts of 27.3mph at 11 PM. The humidity will be on the higher side, averaging about 61%, the maximum being 72% at 8 AM and 46% being its lowest at 3 PM. Barometric pressure is its highest of 30.2inHg at 8 AM, a lowest point of 29.99inHg at 11 PM with an avg 30.11inHg.
Mill Run, PA Weather – 9-10 – Light Rain Shower
75° / 63°

Weather Tomorrow

Light Rain Shower
Periods of rain are likely in Mill Run, with a high of 75°F and a low of 63°F. The chance of rain is 92% with an estimated 0.74in. Wind will be moderate, blowing around 12mph on average and gusts of 30.9mph at 4 AM. High humidity with average of 92% is anticipated, the maximum being 100% at 11 PM and 50% being its lowest at 12 AM. Barometric pressure is its highest of 30.01inHg at 12 PM, a lowest point of 29.92inHg at 8 PM with an avg 29.97inHg.
Mill Run, PA Weather – 9-11 – Light Rain Shower
77° / 62°
Light Rain Shower
Daytime highs will reach 77°F with lows dropping to 62°F in Mill Run, where it will rain at times. The chance of rain is 84% with an estimated 0.36in. Winds will be light at 8mph and gusts of 17.2mph at 3 PM. High humidity with average of 85% is anticipated, the maximum being 100% at 5 AM and 54% being its lowest at 3 PM. Barometric pressure is its highest of 30.04inHg at 11 AM, a lowest point of 29.94inHg at 12 AM with an avg 29.99inHg.
Mill Run, PA Weather – 9-12 – Overcast
77° / 65°
Overcast
Daytime highs will reach 77°F with lows dropping to 65°F in Mill Run, where skies will be overcast. The chance of rain is 84% with an estimated 0.22in. Winds will be light at 10mph and gusts of 25.3mph at 2 AM. High humidity with average of 88% is anticipated, the maximum being 98% at 11 PM and 61% being its lowest at 12 PM. Barometric pressure is its highest of 30.1inHg at 10 PM, a lowest point of 29.99inHg at 3 AM with an avg 30.04inHg.
Mill Run, PA Weather – 9-13 – Light Rain Shower
77° / 64°
Light Rain Shower
Daytime highs will reach 77°F with lows dropping to 64°F in Mill Run, where it will rain at times. The chance of rain is 82% with an estimated 0.13in. Winds will be light at 5mph and gusts of 14.5mph at 2 PM. High humidity with average of 88% is anticipated, the maximum being 99% at 2 AM and 64% being its lowest at 1 PM. Barometric pressure is its highest of 30.12inHg at 8 AM, a lowest point of 30.04inHg at 5 PM with an avg 30.08inHg.
Mill Run, PA Weather – 9-14 – Fog
80° / 68°
Fog
Highs will reach 80°F with lows near 68°F in Mill Run, where fog is. There might be light rainfall having a 19% chance. Winds will be light at 7mph and gusts of 15.4mph at 11 PM. High humidity with average of 81% is anticipated, the maximum being 98% at 5 AM and 52% being its lowest at 2 PM. Barometric pressure is its highest of 30.09inHg at 1 AM, a lowest point of 30inHg at 5 PM with an avg 30.05inHg.

Currently

Overcast 69°F
30.19 inHg.
Barometer
62%
Humidity
SE 7.2 mph
Wind
Overcast

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