Home / Local Weather & Traffic / Illinois / Streamwood / Weather Forecast

Streamwood, IL Weather Tomorrow

Follow tomorrow's Streamwood weather with an accurate 5 day outlook that includes 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 Streamwood area and around Cook county, Illinois.
Updated: Sun Sep 6th 2026 7:00 AM CDT
Streamwood, IL Weather – 9-6 – Sunny
79° / 65°
Sunny
Daytime highs will reach 79°F with lows dropping to 65°F in Streamwood, where it will be sunny. There's a very small chance of rainfall, only about 10%. Winds will be light at 10mph and gusts of 21mph at 1 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 85% at 8 AM and 52% being its lowest at 11 AM. Barometric pressure is its highest of 30.11inHg at 11 AM, a lowest point of 30.07inHg at 5 PM with an avg 30.09inHg.
Streamwood, IL Weather – 9-7 – Sunny
77° / 64°

Weather Tomorrow

Sunny
Daytime highs will reach 77°F with lows dropping to 64°F in Streamwood, where bright and sunny conditions. There's a very small chance of rainfall, only about 10%. Winds will be light at 9mph and gusts of 17.3mph at 10 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 92% at 3 AM and 43% being its lowest at 3 PM. Barometric pressure is its highest of 30.17inHg at 10 AM, a lowest point of 30.1inHg at 5 PM with an avg 30.14inHg.
Streamwood, IL Weather – 9-8 – Overcast
79° / 63°
Overcast
In Streamwood, cloud-filled skies are likely with a high near 79°F and a low around 63°F. There might be light rainfall having a 17% chance. Wind will be moderate, blowing around 15mph on average and gusts of 39.9mph at 11 PM. The humidity will be on the higher side, averaging about 76%, the maximum being 96% at 6 AM and 60% being its lowest at 3 PM. Barometric pressure is its highest of 30.13inHg at 8 AM, a lowest point of 29.95inHg at 11 PM with an avg 30.06inHg.
Streamwood, IL Weather – 9-9 – Overcast
81° / 67°
Overcast
Daytime highs will reach 81°F with lows dropping to 67°F in Streamwood, where skies will be overcast. Rainfall predicted to have a 70% chance with an estimated 0.11in. Wind will be moderate, blowing around 14mph on average and gusts of 37.4mph at 12 AM. The humidity will be on the higher side, averaging about 73%, the maximum being 96% at 9 PM and 49% being its lowest at 1 PM. Barometric pressure is its highest of 30.04inHg at 10 PM, a lowest point of 29.9inHg at 11 PM with an avg 29.98inHg.
Streamwood, IL Weather – 9-10 – Sunny
75° / 60°
Sunny
Highs will reach 75°F with lows near 60°F in Streamwood, where a sunny day is. Rainfall predicted to have a 64% chance with an estimated 0.06in. Wind will be moderate, blowing around 11mph on average and gusts of 19.6mph at 1 AM. High humidity with average of 84% is anticipated, the maximum being 97% at 6 AM and 53% being its lowest at 12 PM. Barometric pressure is its highest of 30.08inHg at 1 PM, a lowest point of 29.81inHg at 5 AM with an avg 29.97inHg.
Streamwood, IL Weather – 9-11 – Sunny
71° / 58°
Sunny
Daytime highs will reach 71°F with lows dropping to 58°F in Streamwood, where bright and sunny conditions. There's a very small chance of rainfall, only about 6%. Winds will be light at 9mph and gusts of 15.7mph at 4 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 94% at 4 AM and 46% being its lowest at 4 PM. Barometric pressure is its highest of 30.08inHg at 6 AM, a lowest point of 30.03inHg at 5 PM with an avg 30.06inHg.

Currently

Sunny 65°F
30.06 inHg.
Barometer
93%
Humidity
E 9.7 mph
Wind
Sunny

5 Day Forecast Nearby

More Local Information

Bookmark and Share

Get the LocalConditions.com App on Google Play
Sign up for a membership to go Ad free