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Constitution Park, IL 14 Day Weather
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Constitution Park, IL Weather Forecast
Constitution Park, IL Weather Forecast Dated: 328 AM Tue Sep 22 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and a stable pattern will dominate.
Tuesday, September 22, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
60°F 16°C
Partly Cloudy
Early-Evening
59°F 16°C
Sunny
Refreshing around 60°F 16°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds turning from the ENE to the NNE at 7 mph 12 km/h.
Wednesday, September 23, 2026
Mid-Morning
59°F 15°C
Cloudy
Mid-Afternoon
61°F 16°C
Partly Cloudy
Early-Evening
60°F 16°C
Overcast
Mildly cool near 61°F 16°C, cloudy in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds switching from the ENE to the E at 11 mph 17 km/h. Gusts up to 25 mph 39 km/h.
Thursday, September 24, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
61°F 16°C
Overcast
Comfortable at 62°F 17°C, overcast throughout the day, with steady humidity and steady pressure. Winds E at 8 mph 13 km/h.
Friday, September 25, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
60°F 15°C
Overcast
Cool with a high near 65°F 18°C, overcast throughout the day, with steady humidity and steady pressure. Winds swinging from the ESE to the E at 5 mph 8 km/h.
Saturday, September 26, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
58°F 14°C
Overcast
Refreshing around 61°F 16°C, overcast throughout the day, with steady humidity and steady pressure.
Sunday, September 27, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
62°F 17°C
Sunny
Pleasant near 68°F 20°C, sunny throughout the day, with steady humidity and steady pressure.
Monday, September 28, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
66°F 19°C
Sunny
Comfortable with temperatures reaching 71°F 22°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Tuesday, September 29, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
62°F 17°C
Scattered Showers
Cool with a high near 63°F 17°C, scattered downpours possible, with steady humidity and steady pressure.
Wednesday, September 30, 2026
Mid-Morning
58°F 15°C
Fog
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
59°F 15°C
Sunny
Refreshing around 65°F 18°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds shifting from the ESE to the WSW at 5 mph 8 km/h.
Thursday, October 1, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
69°F 20°C
Overcast
Early-Evening
64°F 18°C
Overcast
Mild with a high of 69°F 20°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.
Friday, October 2, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
64°F 18°C
Overcast
Comfortable at 64°F 18°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds SSW at 6 mph 10 km/h.
Saturday, October 3, 2026
Mid-Morning
58°F 15°C
Scattered Showers
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
64°F 18°C
Overcast
Cool with a high near 62°F 17°C, locally heavy downpours at times, with lower humidity and steady pressure.
Sunday, October 4, 2026
Mid-Morning
67°F 19°C
Cloudy
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
79°F 26°C
Overcast
Enjoyable around 79°F 26°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds switching from the SE to the S at 13 mph 21 km/h. Gusts up to 31 mph 50 km/h.
Monday, October 5, 2026
Mid-Morning
59°F 15°C
Scattered Showers
Mid-Afternoon
65°F 19°C
Sunny
Early-Evening
60°F 15°C
Sunny
Mildly cool near 65°F 19°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the WSW to the W at 13 mph 20 km/h. Gusts up to 28 mph 45 km/h.
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