Harmon Park, IL 14 Day Weather
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Harmon Park, IL Weather Forecast


Harmon Park, IL Weather Forecast Dated: 1220 PM Sat Sep 12 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Saturday, September 12, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
77°F 25°C
Sunny
Warm and summery around 89°F 32°C (feels like 92°F 33°C), sunny throughout the day, with steady humidity and steady pressure. Winds turning from the SW to the WNW at 6 mph 10 km/h.
Sunday, September 13, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
77°F 25°C
Cloudy
Early-Evening
64°F 18°C
Overcast
Comfortable with temperatures reaching 77°F 25°C, overcast through the afternoon, turning partly cloudy this evening, with increasing humidity and steady pressure. Winds switching from the N to the NE at 7 mph 10 km/h.
Monday, September 14, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
71°F 21°C
Overcast
Early-Evening
67°F 19°C
Partly Cloudy
Enjoyable around 71°F 21°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds moving from the ESE to the SE at 11 mph 17 km/h. Gusts up to 25 mph 40 km/h.
Tuesday, September 15, 2026
Mid-Morning
70°F 21°C
Scattered Showers
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
77°F 25°C
Overcast
Mild temperatures up to 78°F 26°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the S to the WSW at 4 mph 7 km/h.
Wednesday, September 16, 2026
Mid-Morning
70°F 21°C
Light Showers
Mid-Afternoon
69°F 21°C
Scattered Showers
Early-Evening
65°F 19°C
Scattered Showers
Mild with a high of 69°F 21°C, scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the NNE to the NE at 10 mph 16 km/h.
Thursday, September 17, 2026
Mid-Morning
65°F 18°C
Light Fog
Mid-Afternoon
65°F 18°C
Light Showers
Early-Evening
69°F 21°C
Light Showers
Mildly cool near 65°F 18°C, dry early, with showers continuing through afternoon and evening, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
76°F 25°C
Scattered Showers
Mid-Afternoon
87°F 30°C
Scattered Showers
Early-Evening
72°F 22°C
Sunny
Warm and summery around 87°F 30°C (feels like 91°F 33°C), periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds turning from the SW to the ENE at 11 mph 17 km/h.
Saturday, September 19, 2026
Mid-Morning
65°F 19°C
Light Showers
Mid-Afternoon
62°F 17°C
Scattered Showers
Early-Evening
62°F 17°C
Scattered Showers
Cool with a high near 62°F 17°C, scattered downpours possible, with lower humidity and barometric pressure rising. Winds picking up from NNW at 5 mph 8 km/h to NE at 14 mph 22 km/h. Gusts up to 25 mph 40 km/h.
Sunday, September 20, 2026
Mid-Morning
62°F 16°C
Sunny
Mid-Afternoon
67°F 20°C
Sunny
Early-Evening
64°F 18°C
Sunny
Refreshing around 67°F 20°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the ENE to the NNE at 8 mph 12 km/h.
Monday, September 21, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
67°F 20°C
Sunny
Early-Evening
62°F 17°C
Sunny
Mildly cool near 67°F 20°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Tuesday, September 22, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
66°F 19°C
Sunny
Pleasant near 70°F 21°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds swinging from the SSW to the S at 10 mph 15 km/h. Gusts up to 20 mph 33 km/h.
Wednesday, September 23, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
65°F 18°C
Sunny
Comfortable with temperatures reaching 73°F 23°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the WNW at 14 mph 23 km/h. Gusts up to 24 mph 39 km/h.
Thursday, September 24, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
62°F 17°C
Partly Cloudy
Early-Evening
58°F 14°C
Sunny
Refreshing around 62°F 17°C, sunny throughout the day, with steady humidity and steady pressure.
Friday, September 25, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
75°F 24°C
Overcast
Mild temperatures up to 78°F 26°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds turning from the S to the WNW at 9 mph 14 km/h. Gusts up to 22 mph 36 km/h.
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