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Manchester, IL Weather Tomorrow

See what tomorrow's weather has in store for Manchester with a reliable 5 day forecast featuring 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 Manchester area and around Scott county, Illinois.
Updated: Wed Sep 2nd 2026 5:45 PM CDT
Manchester, IL Weather – 9-2 – Sunny
102° / 75°
Sunny
In Manchester, it will be sunny with highs near 102°F and lows around 75°F. There's a very small chance of rainfall, only about 2%. Wind will be moderate, blowing around 14mph on average and gusts of 22.4mph at 9 PM. Humidity levels should be comfortable, sitting around 53% on average, the maximum being 55% at 11 PM and 37% being its lowest at 6 PM. Barometric pressure is its highest of 29.88inHg at 10 PM, a lowest point of 29.84inHg at 6 PM with an avg 29.86inHg.
Manchester, IL Weather – 9-3 – Sunny
102° / 79°

Weather Tomorrow

Sunny
In Manchester, a sunny day is likely with a high near 102°F and a low around 79°F. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 15mph on average and gusts of 27.8mph at 2 AM. Humidity levels should be comfortable, sitting around 40% on average, the maximum being 62% at 7 AM and 23% being its lowest at 4 PM. Barometric pressure is its highest of 29.94inHg at 8 AM, a lowest point of 29.81inHg at 6 PM with an avg 29.88inHg.
Manchester, IL Weather – 9-4 – Sunny
103° / 82°
Sunny
Daytime highs will reach 103°F with lows dropping to 82°F in Manchester, where it will be sunny. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 14mph on average and gusts of 29mph at 2 AM. Humidity levels should be comfortable, sitting around 38% on average, the maximum being 54% at 5 AM and 22% being its lowest at 3 PM. Barometric pressure is its highest of 29.96inHg at 10 AM, a lowest point of 29.83inHg at 6 PM with an avg 29.89inHg.
Manchester, IL Weather – 9-5 – Scattered Showers
102° / 78°
Scattered Showers
Passing showers are in the forecast for Manchester, with a high of 102°F and a low of 78°F. Rainfall predicted to have a 68% chance with an estimated 0.19in. Wind will be moderate, blowing around 19mph on average and gusts of 27.1mph at 6 PM. Humidity levels should be comfortable, sitting around 55% on average, the maximum being 80% at 7 PM and 24% being its lowest at 3 PM. Barometric pressure is its highest of 29.93inHg at 12 PM, a lowest point of 29.81inHg at 4 PM with an avg 29.89inHg.
Manchester, IL Weather – 9-6 – Sunny
94° / 72°
Sunny
Bright and sunny conditions in Manchester, with a high of 94°F and a low of 72°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 26mph at 8 PM. The humidity will be on the higher side, averaging about 64%, the maximum being 90% at 7 AM and 42% being its lowest at 4 PM. Barometric pressure is its highest of 29.99inHg at 11 PM, a lowest point of 29.87inHg at 6 PM with an avg 29.92inHg.
Manchester, IL Weather – 9-7 – Scattered Showers
94° / 68°
Scattered Showers
Manchester may see scattered showers, with daytime highs of 94°F and overnight lows near 68°F. There might be light rainfall having a 17% chance with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 29.3mph at 11 PM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 83% at 5 AM and 35% being its lowest at 4 PM. Barometric pressure is its highest of 30.01inHg at 7 AM, a lowest point of 29.89inHg at 7 PM with an avg 29.95inHg.

Currently

Sunny 100°F
29.84 inHg.
Barometer
34%
Humidity
SW 21.2 mph
Wind
Sunny

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