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Deer Grove, IL Weather Forecast for 5-Days

Updated: Fri Apr 17th 2026 7:45 PM CDT

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Deer Grove, IL Weather – 4-17 – Heavy Rain
88° / 55°
Heavy Rain
Daytime highs will reach 88°F with lows dropping to 55°F in Deer Grove, where periods of rain are likely. The chance of rain is 86% with an estimated 0.94in. Winds will be strong at speeds peaking at 26mph and gusts of 30.8mph at 10 PM. The humidity will be on the higher side, averaging about 75%, the maximum being 94% at 11 PM and 88% being its lowest at 9 PM. Barometric pressure is its highest of 29.65inHg at 8 PM, a lowest point of 29.6inHg at 10 PM with an avg 29.63inHg.
Deer Grove, IL Weather – 4-18 – Scattered Showers
55° / 40°

Weather Tomorrow

Scattered Showers
Deer Grove may see passing showers, with daytime highs of 55°F and overnight lows near 40°F. The chance of rain is 81% with an estimated 0.04in. Winds will be strong at speeds peaking at 21mph and gusts of 32.7mph at 12 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 95% at 1 AM and 43% being its lowest at 3 PM. Barometric pressure is its highest of 30.15inHg at 10 PM, a lowest point of 29.6inHg at 12 AM with an avg 29.92inHg.
Deer Grove, IL Weather – 4-19 – Sunny
55° / 35°
Sunny
Bright and sunny conditions in Deer Grove, with a high of 55°F and a low of 35°F. Wind will be moderate, blowing around 16mph on average and gusts of 18mph at 4 PM. Humidity levels should be comfortable, sitting around 55% on average, the maximum being 80% at 7 AM and 35% being its lowest at 4 PM. Barometric pressure is its highest of 30.29inHg at 10 PM, a lowest point of 30.15inHg at 12 AM with an avg 30.21inHg.
Deer Grove, IL Weather – 4-20 – Sunny
62° / 35°
Sunny
Deer Grove could see a sunny day with daytime highs of 62°F and nighttime lows near 35°F. Wind will be moderate, blowing around 15mph on average and gusts of 26.1mph at 10 PM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 77% at 10 PM and 40% being its lowest at 12 PM. Barometric pressure is its highest of 30.34inHg at 7 AM, a lowest point of 30.04inHg at 10 PM with an avg 30.22inHg.
Deer Grove, IL Weather – 4-21 – Scattered Showers
71° / 54°
Scattered Showers
On and off showers are set to occur in Deer Grove, with a high of 71°F and a low of 54°F. The chance of rain is 87% with an estimated 0.01in. Wind will be moderate, blowing around 16mph on average and gusts of 26.4mph at 2 AM. The humidity will be on the higher side, averaging about 72%, the maximum being 84% at 1 AM and 55% being its lowest at 2 PM. Barometric pressure is its highest of 30.01inHg at 12 AM, a lowest point of 29.9inHg at 5 PM with an avg 29.95inHg.
Deer Grove, IL Weather – 4-22 – Sunny
74° / 47°
Sunny
Deer Grove may see sunshine, with daytime highs of 74°F and overnight lows near 47°F. Wind will be moderate, blowing around 11mph on average and gusts of 19.4mph at 10 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 91% at 11 PM and 54% being its lowest at 4 PM. Barometric pressure is its highest of 30.08inHg at 8 AM, a lowest point of 29.94inHg at 7 PM with an avg 30.01inHg.

Currently

Moderate Or Heavy Rain With Thunder 63°F
29.58 inHg.
Barometer
100%
Humidity
S 41.4 mph
Wind
Moderate Or Heavy Rain With Thunder

5 Day Forecast Nearby

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