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Long Grove, IL Weather Forecast for 5-Days

Updated: Wed May 13th 2026 4:15 PM CDT

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Long Grove, IL Weather – 5-13 – Sunny
67° / 47°
Sunny
Daytime highs will reach 67°F with lows dropping to 47°F in Long Grove, where it will be sunny. Wind will be moderate, blowing around 17mph on average and gusts of 15.2mph at 5 PM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 64% at 11 PM and 36% being its lowest at 5 PM. Barometric pressure is its highest of 30.08inHg at 9 PM, a lowest point of 30.04inHg at 5 PM with an avg 30.07inHg.
Long Grove, IL Weather – 5-14 – Sunny
65° / 41°

Weather Tomorrow

Sunny
Long Grove could see a sunny day with daytime highs of 65°F and nighttime lows near 41°F. Winds will be light at 9mph and gusts of 15.7mph at 11 PM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 83% at 6 AM and 37% being its lowest at 3 PM. Barometric pressure is its highest of 30.13inHg at 7 AM, a lowest point of 29.97inHg at 11 PM with an avg 30.05inHg.
Long Grove, IL Weather – 5-15 – Moderate Rain
71° / 51°
Moderate Rain
It will rain at times in Long Grove, with a high of 71°F and a low of 51°F. The chance of rain is 89% with an estimated 0.22in. Wind will be moderate, blowing around 17mph on average and gusts of 20.2mph at 10 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 96% at 7 AM and 56% being its lowest at 12 AM. Barometric pressure is its highest of 29.95inHg at 12 AM, a lowest point of 29.72inHg at 7 PM with an avg 29.82inHg.
Long Grove, IL Weather – 5-16 – Moderate Rain
84° / 62°
Moderate Rain
In Long Grove, rain showers are likely with a high near 84°F and a low around 62°F. The chance of rain is 89% with an estimated 0.61in. Winds will be light at 9mph and gusts of 13.5mph at 8 PM. High humidity with average of 81% is anticipated, the maximum being 99% at 6 AM and 46% being its lowest at 3 PM. Barometric pressure is its highest of 29.85inHg at 11 PM, a lowest point of 29.68inHg at 5 PM with an avg 29.76inHg.
Long Grove, IL Weather – 5-17 – Heavy Rain
62° / 50°
Heavy Rain
Highs will reach 62°F with lows near 50°F in Long Grove, where rain showers are. Rainfall predicted to have a 66% chance with an estimated 0.82in. Winds will be light at 10mph and gusts of 16mph at 3 PM. High humidity with average of 94% is anticipated, the maximum being 99% at 9 PM and 86% being its lowest at 9 AM. Barometric pressure is its highest of 29.97inHg at 9 AM, a lowest point of 29.84inHg at 3 PM with an avg 29.9inHg.
Long Grove, IL Weather – 5-18 – Scattered Showers
77° / 59°
Scattered Showers
Long Grove may see passing showers, with daytime highs of 77°F and overnight lows near 59°F. Rainfall predicted to have a 72% chance with an estimated 0.15in. Wind will be moderate, blowing around 18mph on average and gusts of 33mph at 7 PM. High humidity with average of 90% is anticipated, the maximum being 100% at 12 AM and 79% being its lowest at 1 PM. Barometric pressure is its highest of 29.85inHg at 11 PM, a lowest point of 29.71inHg at 7 PM with an avg 29.78inHg.

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