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Gridley, IL Weather Tomorrow

Get the forecast you need for Gridley tomorrow with an extended 5 day weather outlook featuring 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 throughout the Gridley area and around McLean county, Illinois.
Updated: Sun Nov 1st 2026 2:45 PM CST
Gridley, IL Weather – 11-1 – Overcast
64° / 56°
Overcast
It will be overcast in Gridley, with a high of 64°F and a low of 56°F. There's a moderate 36% chance of rainfall with an estimated 0.01in. Wind will be moderate, blowing around 13mph on average and gusts of 23.8mph at 8 PM. The humidity will be on the higher side, averaging about 61%, the maximum being 76% at 9 PM and 64% being its lowest at 8 PM. Barometric pressure is its highest of 30.23inHg at 3 PM, a lowest point of 30.2inHg at 11 PM with an avg 30.22inHg.
Gridley, IL Weather – 11-2 – Overcast
66° / 55°

Weather Tomorrow

Overcast
In Gridley, skies will be overcast with highs near 66°F and lows around 55°F. There's a moderate 47% chance of rainfall with an estimated 0.01in. Wind will be moderate, blowing around 20mph on average and gusts of 36.7mph at 11 PM. High humidity with average of 82% is anticipated, the maximum being 88% at 4 AM and 73% being its lowest at 2 PM. Barometric pressure is its highest of 30.2inHg at 1 AM, a lowest point of 29.9inHg at 11 PM with an avg 30.05inHg.
Gridley, IL Weather – 11-3 – Overcast
69° / 60°
Overcast
In Gridley, overcast is likely with a high near 69°F and a low around 60°F. The chance of rain is 89% with an estimated 0.54in. Winds will be strong at speeds peaking at 25mph and gusts of 46.3mph at 5 AM. High humidity with average of 83% is anticipated, the maximum being 95% at 8 PM and 70% being its lowest at 11 AM. Barometric pressure is its highest of 29.91inHg at 12 AM, a lowest point of 29.67inHg at 11 PM with an avg 29.79inHg.
Gridley, IL Weather – 11-4 – Scattered Showers
63° / 52°
Scattered Showers
Showers likely at times in Gridley, with a high of 63°F and a low of 52°F. Rainfall predicted to have a 63% chance with an estimated 0.09in. Wind will be moderate, blowing around 19mph on average and gusts of 33mph at 2 AM. The humidity will be on the higher side, averaging about 72%, the maximum being 94% at 3 AM and 50% being its lowest at 2 PM. Barometric pressure is its highest of 29.77inHg at 11 PM, a lowest point of 29.62inHg at 3 AM with an avg 29.71inHg.
Gridley, IL Weather – 11-5 – Overcast
60° / 48°
Overcast
Daytime highs will reach 60°F with lows dropping to 48°F in Gridley, where skies will be overcast. There's a moderate 27% chance of rainfall with an estimated 0.01in. Wind will be moderate, blowing around 14mph on average and gusts of 27.8mph at 3 AM. The humidity will be on the higher side, averaging about 71%, the maximum being 86% at 9 PM and 59% being its lowest at 1 PM. Barometric pressure is its highest of 29.91inHg at 11 PM, a lowest point of 29.74inHg at 3 AM with an avg 29.82inHg.
Gridley, IL Weather – 11-6 – Overcast
55° / 45°
Overcast
Gridley may see cloud-filled skies, with daytime highs of 55°F and overnight lows near 45°F. There might be light rainfall having a 24% chance with an estimated 0in. Wind will be moderate, blowing around 11mph on average and gusts of 16.8mph at 1 AM. The humidity will be on the higher side, averaging about 72%, the maximum being 85% at 3 AM and 61% being its lowest at 3 PM. Barometric pressure is its highest of 30.1inHg at 9 PM, a lowest point of 29.91inHg at 12 AM with an avg 30.03inHg.

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