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Eastern, IL Weather Tomorrow

For a complete weather outlook, review tomorrow's Eastern forecast and the following 5 days with daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Eastern area.
Updated: Tue Sep 15th 2026 5:30 PM CDT
Eastern, IL Weather – 9-15 – Sunny
101° / 72°
Sunny
Daytime highs will reach 101°F with lows dropping to 72°F in Eastern, where bright and sunny conditions. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 13mph on average and gusts of 28.2mph at 8 PM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 63% at 11 PM and 32% being its lowest at 6 PM. Barometric pressure is its highest of 30.09inHg at 11 PM, a lowest point of 29.99inHg at 6 PM with an avg 30.05inHg.
Eastern, IL Weather – 9-16 – Sunny
100° / 75°

Weather Tomorrow

Sunny
Highs will reach 100°F with lows near 75°F in Eastern, where a sunny day is. There's a moderate 36% chance of rainfall with an estimated 0.01in. Winds will be light at 10mph and gusts of 21.1mph at 12 AM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 81% at 5 AM and 28% being its lowest at 3 PM. Barometric pressure is its highest of 30.23inHg at 10 AM, a lowest point of 30.1inHg at 12 AM with an avg 30.17inHg.
Eastern, IL Weather – 9-17 – Overcast
102° / 79°
Overcast
Cloud-filled skies are in the forecast for Eastern, with a high of 102°F and a low of 79°F. There might be light rainfall having a 17% chance with an estimated 0.01in. Winds will be light at 10mph and gusts of 26.4mph at 6 AM. Humidity levels should be comfortable, sitting around 41% on average, the maximum being 61% at 4 AM and 24% being its lowest at 2 PM. Barometric pressure is its highest of 30.21inHg at 8 AM, a lowest point of 30.08inHg at 6 PM with an avg 30.16inHg.
Eastern, IL Weather – 9-18 – Sunny
98° / 74°
Sunny
Daytime highs will reach 98°F with lows dropping to 74°F in Eastern, where it will be sunny. Rainfall predicted to have a 57% chance with an estimated 0.14in. Winds will be light at 10mph and gusts of 20.2mph at 8 PM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 84% at 7 AM and 30% being its lowest at 4 PM. Barometric pressure is its highest of 30.14inHg at 12 AM, a lowest point of 29.98inHg at 5 PM with an avg 30.07inHg.
Eastern, IL Weather – 9-19 – Overcast
102° / 78°
Overcast
It will be overcast in Eastern, with a high of 102°F and a low of 78°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 11mph on average and gusts of 16.3mph at 10 PM. Humidity levels should be comfortable, sitting around 42% on average, the maximum being 66% at 6 AM and 19% being its lowest at 5 PM. Barometric pressure is its highest of 29.97inHg at 12 AM, a lowest point of 29.82inHg at 5 PM with an avg 29.9inHg.
Eastern, IL Weather – 9-20 – Sunny
102° / 78°
Sunny
Eastern could see a sunny day with daytime highs of 102°F and nighttime lows near 78°F. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 11mph on average and gusts of 22.4mph at 11 PM. Humidity levels should be comfortable, sitting around 32% on average, the maximum being 48% at 6 AM and 18% being its lowest at 4 PM. Barometric pressure is its highest of 29.87inHg at 9 AM, a lowest point of 29.75inHg at 4 PM with an avg 29.82inHg.

Currently

Overcast 99°F
29.98 inHg.
Barometer
28%
Humidity
WSW 17.6 mph
Wind
Overcast

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