Harmon Chapel, IL 14 Day Weather
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Harmon Chapel, IL Weather Forecast


Harmon Chapel, IL Weather Forecast Dated: 622 AM Mon Sep 21 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and a stable pattern will dominate.
Monday, September 21, 2026
Mid-Morning
64°F 18°C
Light Showers
Mid-Afternoon
71°F 22°C
Light Showers
Early-Evening
68°F 20°C
Scattered Showers
Pleasant near 71°F 22°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds out of the NNW at 6 mph 10 km/h.
Tuesday, September 22, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
63°F 17°C
Overcast
Comfortable with temperatures reaching 68°F 20°C, overcast throughout the day, with steady humidity and steady pressure. Winds blowing from the NNE at 13 mph 21 km/h. Gusts up to 20 mph 33 km/h.
Wednesday, September 23, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
62°F 17°C
Sunny
Enjoyable around 73°F 23°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the NNE to the NE at 11 mph 18 km/h. Gusts up to 21 mph 34 km/h.
Thursday, September 24, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
71°F 22°C
Partly Cloudy
Early-Evening
64°F 18°C
Overcast
Mild temperatures up to 71°F 22°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds swinging from the NNE to the NE at 11 mph 18 km/h.
Friday, September 25, 2026
Mid-Morning
64°F 18°C
Partly Cloudy
Mid-Afternoon
73°F 23°C
Cloudy
Early-Evening
67°F 20°C
Partly Cloudy
Mild with a high of 73°F 23°C, cloudy through the afternoon, turning overcast this evening, with steady humidity and steady pressure. Winds shifting from the E to the NE at 8 mph 13 km/h.
Saturday, September 26, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
58°F 15°C
Scattered Showers
Early-Evening
59°F 15°C
Overcast
Mildly cool near 58°F 15°C, locally heavy downpours at times, with steady humidity and steady pressure.
Sunday, September 27, 2026
Mid-Morning
58°F 14°C
Scattered Showers
Mid-Afternoon
73°F 23°C
Partly Cloudy
Early-Evening
65°F 19°C
Overcast
Comfortable with temperatures reaching 73°F 23°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the NNE to the ENE at 9 mph 15 km/h. Gusts up to 20 mph 32 km/h.
Monday, September 28, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
70°F 21°C
Sunny
Enjoyable around 77°F 25°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Tuesday, September 29, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
63°F 18°C
Overcast
Mild temperatures up to 70°F 21°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the NNE to the ESE at 10 mph 15 km/h.
Wednesday, September 30, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
73°F 23°C
Cloudy
Early-Evening
67°F 20°C
Sunny
Mild with a high of 73°F 23°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the NNE to the NE at 10 mph 16 km/h.
Thursday, October 1, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
62°F 17°C
Scattered Showers
Early-Evening
61°F 16°C
Light Showers
Comfortable at 62°F 17°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds swinging from the NE to the E at 10 mph 16 km/h. Gusts up to 24 mph 38 km/h.
Friday, October 2, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
62°F 16°C
Scattered Showers
Early-Evening
62°F 17°C
Scattered Showers
Cool with a high near 62°F 16°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds out of the SSE at 9 mph 14 km/h.
Saturday, October 3, 2026
Mid-Morning
62°F 17°C
Light Fog
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
72°F 22°C
Partly Cloudy
Enjoyable around 75°F 24°C, partly cloudy through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.
Sunday, October 4, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
80°F 26°C
Sunny
Early-Evening
73°F 23°C
Sunny
Warm temperatures up to 80°F 26°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure. Winds turning from the ESE to the SE at 7 mph 12 km/h.
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