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Lyons, IL Weather Tomorrow

Tomorrow's weather forecast for Lyons is supported by a complete 5 day outlook covering 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 for the Lyons area and around Cook county, Illinois.
Updated: Fri Aug 28th 2026 8:15 PM CDT
Lyons, IL Weather – 8-28 – Sunny
89° / 65°
Sunny
In Lyons, bright and sunny conditions with highs near 89°F and lows around 65°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 8mph and gusts of 6.6mph at 10 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 58% at 11 PM and 54% being its lowest at 10 PM. Barometric pressure is its highest of 30.1inHg at 10 PM, a lowest point of 30.09inHg at 11 PM with an avg 30.1inHg.
Lyons, IL Weather – 8-29 – Overcast
79° / 63°

Weather Tomorrow

Overcast
Highs will reach 79°F with lows near 63°F in Lyons, where overcast is. There might be light rainfall having a 15% chance. Winds will be light at 10mph and gusts of 28.1mph at 11 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 81% at 6 AM and 50% being its lowest at 2 PM. Barometric pressure is its highest of 30.14inHg at 8 AM, a lowest point of 29.98inHg at 11 PM with an avg 30.07inHg.
Lyons, IL Weather – 8-30 – Overcast
87° / 69°
Overcast
Lyons could see cloud-filled skies with daytime highs of 87°F and nighttime lows near 69°F. Rainfall predicted to have a 57% chance with an estimated 0.04in. Wind will be moderate, blowing around 15mph on average and gusts of 38.1mph at 10 PM. The humidity will be on the higher side, averaging about 63%, the maximum being 86% at 7 AM and 40% being its lowest at 2 PM. Barometric pressure is its highest of 30.02inHg at 7 AM, a lowest point of 29.82inHg at 10 PM with an avg 29.92inHg.
Lyons, IL Weather – 8-31 – Overcast
91° / 71°
Overcast
Lyons may see overcast, with daytime highs of 91°F and overnight lows near 71°F. There's a moderate 46% chance of rainfall with an estimated 0.04in. Wind will be moderate, blowing around 13mph on average and gusts of 37.5mph at 11 PM. The humidity will be on the higher side, averaging about 61%, the maximum being 86% at 5 AM and 41% being its lowest at 2 PM. Barometric pressure is its highest of 29.89inHg at 4 AM, a lowest point of 29.76inHg at 11 PM with an avg 29.85inHg.
Lyons, IL Weather – 9-1 – Overcast
94° / 79°
Overcast
In Lyons, it will be overcast with highs near 94°F and lows around 79°F. There might be light rainfall having a 17% chance with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 38mph at 12 AM. Humidity levels should be comfortable, sitting around 51% on average, the maximum being 66% at 8 PM and 38% being its lowest at 12 PM. Barometric pressure is its highest of 29.9inHg at 11 AM, a lowest point of 29.76inHg at 12 AM with an avg 29.85inHg.
Lyons, IL Weather – 9-2 – Sunny
92° / 79°
Sunny
Daytime highs will reach 92°F with lows dropping to 79°F in Lyons, where bright and sunny conditions. There's a very small chance of rainfall, only about 2%. Wind will be moderate, blowing around 15mph on average and gusts of 37.2mph at 3 AM. Humidity levels should be comfortable, sitting around 49% on average, the maximum being 66% at 11 PM and 42% being its lowest at 2 PM. Barometric pressure is its highest of 29.91inHg at 11 PM, a lowest point of 29.81inHg at 4 PM with an avg 29.84inHg.

Currently

Clear 76°F
30.08 inHg.
Barometer
44%
Humidity
WSW 6.8 mph
Wind
Clear

5 Day Forecast Nearby

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