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Gilchrist, IL Weather Tomorrow

Stay informed with tomorrow's weather forecast for Gilchrist and the next 5 days, including 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 across the Gilchrist area and around Mercer county, Illinois.
Updated: Tue Sep 1st 2026 6:45 PM CDT
Gilchrist, IL Weather – 9-1 – Sunny
96° / 73°
Sunny
It will be sunny in Gilchrist, with a high of 96°F and a low of 73°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 11mph on average and gusts of 21.7mph at 10 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 71% at 10 PM and 61% being its lowest at 7 PM. Barometric pressure is its highest of 29.89inHg at 9 PM, a lowest point of 29.86inHg at 7 PM with an avg 29.87inHg.
Gilchrist, IL Weather – 9-2 – Sunny
97° / 76°

Weather Tomorrow

Sunny
Daytime highs will reach 97°F with lows dropping to 76°F in Gilchrist, where it will be sunny. There's a very small chance of rainfall, only about 5% with an estimated 0in. Wind will be moderate, blowing around 17mph on average and gusts of 33.2mph at 9 PM. Humidity levels should be comfortable, sitting around 55% on average, the maximum being 70% at 8 AM and 41% being its lowest at 4 PM. Barometric pressure is its highest of 29.92inHg at 8 AM, a lowest point of 29.81inHg at 7 PM with an avg 29.87inHg.
Gilchrist, IL Weather – 9-3 – Scattered Showers
95° / 78°
Scattered Showers
Highs will reach 95°F with lows near 78°F in Gilchrist, where scattered showers are. Rainfall predicted to have a 57% chance with an estimated 0.08in. Wind will be moderate, blowing around 15mph on average and gusts of 30mph at 8 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 89% at 5 PM and 42% being its lowest at 2 PM. Barometric pressure is its highest of 29.91inHg at 8 AM, a lowest point of 29.83inHg at 7 PM with an avg 29.87inHg.
Gilchrist, IL Weather – 9-4 – Sunny
95° / 77°
Sunny
Daytime highs will reach 95°F with lows dropping to 77°F in Gilchrist, where bright and sunny conditions. There might be light rainfall having a 17% chance with an estimated 0in. Winds will be light at 9mph and gusts of 31.3mph at 1 AM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 79% at 10 PM and 41% being its lowest at 3 PM. Barometric pressure is its highest of 29.94inHg at 10 AM, a lowest point of 29.83inHg at 7 PM with an avg 29.87inHg.
Gilchrist, IL Weather – 9-5 – Sunny
91° / 76°
Sunny
Gilchrist may see a sunny day, with daytime highs of 91°F and overnight lows near 76°F. Rainfall predicted to have a 58% chance with an estimated 0.11in. Winds will be light at 9mph and gusts of 19.8mph at 10 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 84% at 11 PM and 51% being its lowest at 3 PM. Barometric pressure is its highest of 29.93inHg at 11 AM, a lowest point of 29.84inHg at 6 PM with an avg 29.88inHg.
Gilchrist, IL Weather – 9-6 – Overcast
87° / 73°
Overcast
Gilchrist is set for cloud-filled skies with temperatures peaking at 87°F and dipping to 73°F. There's a moderate 46% chance of rainfall with an estimated 0.02in. Wind will be moderate, blowing around 15mph on average and gusts of 27.1mph at 2 AM. The humidity will be on the higher side, averaging about 74%, the maximum being 93% at 5 AM and 54% being its lowest at 4 PM. Barometric pressure is its highest of 29.9inHg at 5 AM, a lowest point of 29.82inHg at 10 PM with an avg 29.86inHg.

Currently

Sunny 91°F
29.85 inHg.
Barometer
52%
Humidity
E 7.2 mph
Wind
Sunny

5 Day Forecast Nearby

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