Fairview Heights, IL Weather Tomorrow

Whether you're planning work or travel, tomorrow's Fairview Heights weather and 5 day forecast offer 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 Fairview Heights area.
Updated: Thu Aug 27th 2026 4:00 PM CDT
Fairview Heights, IL Weather – 8-27 – Sunny
87° / 67°
Sunny
In Fairview Heights, a sunny day is likely with a high near 87°F and a low around 67°F. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 11mph on average and gusts of 18.8mph at 10 PM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 56% at 11 PM and 37% being its lowest at 5 PM. Barometric pressure is its highest of 30.01inHg at 11 PM, a lowest point of 29.97inHg at 5 PM with an avg 29.98inHg.
Fairview Heights, IL Weather – 8-28 – Sunny
82° / 63°

Weather Tomorrow

Sunny
Sunshine is in the forecast for Fairview Heights, with a high of 82°F and a low of 63°F. There's a very small chance of rainfall, only about 4%. Winds will be light at 9mph and gusts of 17mph at 2 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 90% at 5 AM and 43% being its lowest at 3 PM. Barometric pressure is its highest of 30.13inHg at 8 AM, a lowest point of 30.02inHg at 12 AM with an avg 30.08inHg.
Fairview Heights, IL Weather – 8-29 – Overcast
82° / 63°
Overcast
In Fairview Heights, skies will be overcast with highs near 82°F and lows around 63°F. There's a very small chance of rainfall, only about 10%. Winds will be light at 8mph and gusts of 16.3mph at 1 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 89% at 6 AM and 46% being its lowest at 2 PM. Barometric pressure is its highest of 30.13inHg at 8 AM, a lowest point of 29.99inHg at 8 PM with an avg 30.06inHg.
Fairview Heights, IL Weather – 8-30 – Overcast
96° / 69°
Overcast
Cloud-filled skies are in the forecast for Fairview Heights, with a high of 96°F and a low of 69°F. There's a moderate 36% chance of rainfall with an estimated 0.01in. Wind will be moderate, blowing around 13mph on average and gusts of 37mph at 11 PM. Humidity levels should be comfortable, sitting around 49% on average, the maximum being 69% at 8 AM and 24% being its lowest at 4 PM. Barometric pressure is its highest of 30.03inHg at 10 AM, a lowest point of 29.88inHg at 8 PM with an avg 29.96inHg.
Fairview Heights, IL Weather – 8-31 – Overcast
100° / 77°
Overcast
Daytime highs will reach 100°F with lows dropping to 77°F in Fairview Heights, where skies will be overcast. There's a very small chance of rainfall, only about 4%. Wind will be moderate, blowing around 15mph on average and gusts of 35.2mph at 12 AM. Humidity levels should be comfortable, sitting around 41% on average, the maximum being 56% at 8 AM and 26% being its lowest at 3 PM. Barometric pressure is its highest of 29.98inHg at 9 AM, a lowest point of 29.86inHg at 8 PM with an avg 29.91inHg.
Fairview Heights, IL Weather – 9-1 – Sunny
102° / 77°
Sunny
Fairview Heights could see sunshine with daytime highs of 102°F and nighttime lows near 77°F. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 12mph on average and gusts of 34.7mph at 12 AM. Humidity levels should be comfortable, sitting around 43% on average, the maximum being 62% at 7 AM and 26% being its lowest at 4 PM. Barometric pressure is its highest of 29.97inHg at 10 AM, a lowest point of 29.86inHg at 6 PM with an avg 29.91inHg.

Currently

Partly Cloudy 86°F
29.96 inHg.
Barometer
39%
Humidity
NNE 16.2 mph
Wind
Partly Cloudy

5 Day Forecast Nearby

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