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Freeport, IL Weather Tomorrow

Looking for tomorrow's weather in Freeport? Explore a complete 5 day forecast featuring 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 Freeport area and around Stephenson county, Illinois.
Updated: Thu Aug 27th 2026 7:00 AM CDT
Freeport, IL Weather – 8-27 – Sunny
83° / 62°
Sunny
In Freeport, it will be sunny with highs near 83°F and lows around 62°F. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 11mph on average and gusts of 13.9mph at 1 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 80% at 8 AM and 48% being its lowest at 2 PM. Barometric pressure is its highest of 30.04inHg at 11 AM, a lowest point of 30.01inHg at 2 PM with an avg 30.02inHg.
Freeport, IL Weather – 8-28 – Sunny
79° / 60°

Weather Tomorrow

Sunny
In Freeport, a sunny day is likely with a high near 79°F and a low around 60°F. There's a very small chance of rainfall, only about 9%. Winds will be light at 10mph and gusts of 22.3mph at 11 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 88% at 6 AM and 54% being its lowest at 3 PM. Barometric pressure is its highest of 30.14inHg at 8 AM, a lowest point of 30.04inHg at 12 AM with an avg 30.08inHg.
Freeport, IL Weather – 8-29 – Overcast
76° / 63°
Overcast
In Freeport, cloud-filled skies are likely with a high near 76°F and a low around 63°F. There's a moderate 28% chance of rainfall with an estimated 0in. Wind will be moderate, blowing around 17mph on average and gusts of 29.5mph at 11 PM. The humidity will be on the higher side, averaging about 77%, the maximum being 88% at 9 PM and 60% being its lowest at 2 PM. Barometric pressure is its highest of 30.11inHg at 8 AM, a lowest point of 29.94inHg at 11 PM with an avg 30.03inHg.
Freeport, IL Weather – 8-30 – Light Rain Shower
84° / 67°
Light Rain Shower
Freeport could see rain with daytime highs of 84°F and nighttime lows near 67°F. Rainfall predicted to have a 74% chance with an estimated 0.16in. Wind will be moderate, blowing around 20mph on average and gusts of 41.9mph at 9 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 92% at 4 AM and 54% being its lowest at 1 PM. Barometric pressure is its highest of 29.95inHg at 12 AM, a lowest point of 29.75inHg at 8 PM with an avg 29.86inHg.
Freeport, IL Weather – 8-31 – Overcast
84° / 70°
Overcast
In Freeport, skies will be overcast with highs near 84°F and lows around 70°F. The chance of rain is 76% with an estimated 0.11in. Wind will be moderate, blowing around 16mph on average and gusts of 41mph at 8 AM. The humidity will be on the higher side, averaging about 78%, the maximum being 94% at 12 AM and 60% being its lowest at 4 PM. Barometric pressure is its highest of 29.84inHg at 11 AM, a lowest point of 29.78inHg at 1 AM with an avg 29.81inHg.
Freeport, IL Weather – 9-1 – Overcast
88° / 74°
Overcast
In Freeport, skies will be overcast with highs near 88°F and lows around 74°F. There might be light rainfall having a 14% chance. Wind will be moderate, blowing around 11mph on average and gusts of 17.7mph at 4 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 90% at 11 PM and 50% being its lowest at 4 PM. Barometric pressure is its highest of 29.85inHg at 10 AM, a lowest point of 29.76inHg at 6 PM with an avg 29.8inHg.

Currently

Sunny 62°F
30 inHg.
Barometer
88%
Humidity
N 9.7 mph
Wind
Sunny

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