Pinckneyville, IL Weather Tomorrow

Discover tomorrow's Pinckneyville weather along with a dependable 5 day forecast highlighting precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction for the Pinckneyville area and around Perry county, Illinois.
Updated: Fri Sep 4th 2026 6:15 PM CDT
Pinckneyville, IL Weather – 9-4 – Sunny
101° / 76°
Sunny
It will be sunny in Pinckneyville, with a high of 101°F and a low of 76°F. There's a very small chance of rainfall, only about 2%. Wind will be moderate, blowing around 11mph on average and gusts of 20.8mph at 9 PM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 66% at 11 PM and 38% being its lowest at 7 PM. Barometric pressure is its highest of 29.91inHg at 10 PM, a lowest point of 29.86inHg at 7 PM with an avg 29.89inHg.
Pinckneyville, IL Weather – 9-5 – Sunny
102° / 76°

Weather Tomorrow

Sunny
Daytime highs will reach 102°F with lows dropping to 76°F in Pinckneyville, where it will be sunny. There's a moderate 36% chance of rainfall with an estimated 0.03in. Wind will be moderate, blowing around 15mph on average and gusts of 23.1mph at 7 PM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 90% at 10 PM and 27% being its lowest at 4 PM. Barometric pressure is its highest of 29.92inHg at 8 AM, a lowest point of 29.76inHg at 5 PM with an avg 29.89inHg.
Pinckneyville, IL Weather – 9-6 – Sunny
94° / 72°
Sunny
Sunshine is in the forecast for Pinckneyville, with a high of 94°F and a low of 72°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 13mph on average and gusts of 28mph at 10 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 94% at 7 AM and 26% being its lowest at 4 PM. Barometric pressure is its highest of 29.98inHg at 11 PM, a lowest point of 29.89inHg at 12 AM with an avg 29.94inHg.
Pinckneyville, IL Weather – 9-7 – Sunny
91° / 62°
Sunny
Daytime highs will reach 91°F with lows dropping to 62°F in Pinckneyville, where it will be sunny. There's a very small chance of rainfall, only about 2%. Winds will be light at 10mph and gusts of 24.7mph at 2 AM. Humidity levels should be comfortable, sitting around 50% on average, the maximum being 89% at 6 AM and 20% being its lowest at 5 PM. Barometric pressure is its highest of 30.07inHg at 9 AM, a lowest point of 29.97inHg at 5 PM with an avg 30.02inHg.
Pinckneyville, IL Weather – 9-8 – Sunny
99° / 65°
Sunny
Highs will reach 99°F with lows near 65°F in Pinckneyville, where sunshine is. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 15mph on average and gusts of 33.8mph at 11 PM. Humidity levels should be comfortable, sitting around 43% on average, the maximum being 62% at 6 AM and 22% being its lowest at 5 PM. Barometric pressure is its highest of 30.08inHg at 8 AM, a lowest point of 29.96inHg at 5 PM with an avg 30.03inHg.
Pinckneyville, IL Weather – 9-9 – Sunny
101° / 76°
Sunny
Pinckneyville is set for sunshine with temperatures peaking at 101°F and dipping to 76°F. There's a moderate 36% chance of rainfall with an estimated 0.01in. Wind will be moderate, blowing around 14mph on average and gusts of 33.8mph at 2 AM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 74% at 10 AM and 27% being its lowest at 4 PM. Barometric pressure is its highest of 30.09inHg at 10 AM, a lowest point of 29.97inHg at 4 PM with an avg 30.04inHg.

Currently

Sunny 98°F
29.85 inHg.
Barometer
35%
Humidity
NNW 7.6 mph
Wind
Sunny

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