Fulton County, IL Weather Tomorrow

Check the latest weather forecast for Fulton County tomorrow and over the next 5 days with 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 Fulton County area.
Updated: Sun Oct 18th 2026 3:15 PM CDT
Fulton County, IL Weather – 10-18 – Sunny
65° / 41°
Sunny
In Fulton County, a sunny day is likely with a high near 65°F and a low around 41°F. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 13mph on average and gusts of 15.3mph at 5 PM. Humidity levels should be comfortable, sitting around 46% on average, the maximum being 47% at 11 PM and 27% being its lowest at 4 PM. Barometric pressure is its highest of 30.36inHg at 11 PM, a lowest point of 30.32inHg at 4 PM with an avg 30.34inHg.
Fulton County, IL Weather – 10-19 – Sunny
69° / 46°

Weather Tomorrow

Sunny
In Fulton County, bright and sunny conditions with highs near 69°F and lows around 46°F. There's a very small chance of rainfall, only about 3%. Winds will be light at 7mph and gusts of 15.9mph at 8 AM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 60% at 7 AM and 28% being its lowest at 4 PM. Barometric pressure is its highest of 30.4inHg at 9 AM, a lowest point of 30.29inHg at 4 PM with an avg 30.34inHg.
Fulton County, IL Weather – 10-20 – Overcast
70° / 51°
Overcast
Daytime highs will reach 70°F with lows dropping to 51°F in Fulton County, where it will be overcast. There's a very small chance of rainfall, only about 5%. Winds will be light at 7mph and gusts of 15.9mph at 7 PM. Humidity levels should be comfortable, sitting around 41% on average, the maximum being 50% at 8 AM and 29% being its lowest at 2 PM. Barometric pressure is its highest of 30.37inHg at 10 AM, a lowest point of 30.28inHg at 4 PM with an avg 30.32inHg.
Fulton County, IL Weather – 10-21 – Sunny
72° / 50°
Sunny
It will be sunny in Fulton County, with a high of 72°F and a low of 50°F. There's a very small chance of rainfall, only about 1%. Winds will be light at 6mph and gusts of 15.7mph at 6 AM. Humidity levels should be comfortable, sitting around 43% on average, the maximum being 55% at 7 AM and 30% being its lowest at 2 PM. Barometric pressure is its highest of 30.29inHg at 12 AM, a lowest point of 30.19inHg at 4 PM with an avg 30.25inHg.
Fulton County, IL Weather – 10-22 – Sunny
75° / 54°
Sunny
Daytime highs will reach 75°F with lows dropping to 54°F in Fulton County, where bright and sunny conditions. There's a very small chance of rainfall, only about 1%. Winds will be light at 6mph and gusts of 14.8mph at 4 AM. Humidity levels should be comfortable, sitting around 43% on average, the maximum being 53% at 8 AM and 31% being its lowest at 4 PM. Barometric pressure is its highest of 30.26inHg at 10 AM, a lowest point of 30.16inHg at 4 PM with an avg 30.21inHg.
Fulton County, IL Weather – 10-23 – Sunny
76° / 56°
Sunny
Fulton County is set for sunshine with temperatures peaking at 76°F and dipping to 56°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 10mph and gusts of 22.6mph at 11 PM. Humidity levels should be comfortable, sitting around 43% on average, the maximum being 54% at 6 AM and 29% being its lowest at 4 PM. Barometric pressure is its highest of 30.27inHg at 10 AM, a lowest point of 30.18inHg at 4 PM with an avg 30.22inHg.

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