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Elm Grove, WI Weather Tomorrow

View tomorrow's local forecast for Elm Grove together with a detailed 5 day weather outlook showing precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction for the Elm Grove area and around Waukesha county, Wisconsin.
Updated: Mon Sep 21st 2026 3:00 AM CDT
Elm Grove, WI Weather – 9-21 – Overcast
60° / 55°
Overcast
In Elm Grove, it will be overcast with highs near 60°F and lows around 55°F. There's a moderate 38% chance of rainfall with an estimated 0.01in. Wind will be moderate, blowing around 15mph on average and gusts of 21.8mph at 4 AM. The humidity will be on the higher side, averaging about 73%, the maximum being 82% at 7 PM and 65% being its lowest at 3 PM. Barometric pressure is its highest of 30.21inHg at 11 AM, a lowest point of 30.13inHg at 4 AM with an avg 30.18inHg.
Elm Grove, WI Weather – 9-22 – Sunny
60° / 54°

Weather Tomorrow

Sunny
Elm Grove is set for a sunny day with temperatures peaking at 60°F and dipping to 54°F. There's a very small chance of rainfall, only about 7% with an estimated 0in. Wind will be moderate, blowing around 14mph on average and gusts of 21.5mph at 11 PM. The humidity will be on the higher side, averaging about 61%, the maximum being 73% at 9 PM and 47% being its lowest at 4 PM. Barometric pressure is its highest of 30.32inHg at 8 PM, a lowest point of 30.22inHg at 12 AM with an avg 30.28inHg.
Elm Grove, WI Weather – 9-23 – Sunny
62° / 56°
Sunny
Daytime highs will reach 62°F with lows dropping to 56°F in Elm Grove, where bright and sunny conditions. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 13mph on average and gusts of 20mph at 12 AM. The humidity will be on the higher side, averaging about 68%, the maximum being 84% at 11 PM and 51% being its lowest at 4 PM. Barometric pressure is its highest of 30.4inHg at 12 PM, a lowest point of 30.32inHg at 12 AM with an avg 30.36inHg.
Elm Grove, WI Weather – 9-24 – Sunny
62° / 55°
Sunny
In Elm Grove, it will be sunny with highs near 62°F and lows around 55°F. There might be light rainfall having a 12% chance. Wind will be moderate, blowing around 12mph on average and gusts of 16.6mph at 9 AM. The humidity will be on the higher side, averaging about 75%, the maximum being 90% at 11 PM and 58% being its lowest at 12 PM. Barometric pressure is its highest of 30.38inHg at 10 AM, a lowest point of 30.32inHg at 6 PM with an avg 30.35inHg.
Elm Grove, WI Weather – 9-25 – Overcast
63° / 58°
Overcast
Daytime highs will reach 63°F with lows dropping to 58°F in Elm Grove, where skies will be overcast. There might be light rainfall having a 17% chance. Wind will be moderate, blowing around 11mph on average and gusts of 13.7mph at 12 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 94% at 5 AM and 50% being its lowest at 4 PM. Barometric pressure is its highest of 30.36inHg at 9 AM, a lowest point of 30.25inHg at 11 PM with an avg 30.31inHg.
Elm Grove, WI Weather – 9-26 – Overcast
63° / 59°
Overcast
In Elm Grove, it will be overcast with highs near 63°F and lows around 59°F. There might be light rainfall having a 17% chance. Winds will be light at 9mph and gusts of 12.8mph at 1 AM. The humidity will be on the higher side, averaging about 69%, the maximum being 87% at 3 AM and 47% being its lowest at 1 PM. Barometric pressure is its highest of 30.25inHg at 12 AM, a lowest point of 30.2inHg at 4 PM with an avg 30.23inHg.

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