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Sumner Park, IL 14 Day Weather
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Sumner Park, IL Weather Forecast
Sumner Park, IL Weather Forecast Dated: 219 PM Sun Sep 20 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Sunday, September 20, 2026
Mid-Morning
58°F 14°C
Light Showers
Mid-Afternoon
59°F 15°C
Overcast
Early-Evening
59°F 15°C
Overcast
Refreshing around 59°F 15°C, early showers breaking for a drier afternoon, with lower humidity and steady pressure. Winds turning from the NE to the ENE at 16 mph 26 km/h. Gusts up to 30 mph 47 km/h.
Monday, September 21, 2026
Mid-Morning
55°F 13°C
Scattered Showers
Mid-Afternoon
52°F 11°C
Overcast
Early-Evening
52°F 11°C
Scattered Showers
Cool and brisk at 52°F 11°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the ENE to the NE at 13 mph 20 km/h. Gusts up to 28 mph 44 km/h.
Tuesday, September 22, 2026
Mid-Morning
51°F 11°C
Scattered Showers
Mid-Afternoon
59°F 15°C
Overcast
Early-Evening
55°F 13°C
Sunny
Comfortable at 59°F 15°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the ENE to the NE at 9 mph 15 km/h.
Wednesday, September 23, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
62°F 16°C
Overcast
Early-Evening
58°F 14°C
Scattered Showers
Cool with a high near 62°F 16°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the NE to the ENE at 9 mph 15 km/h.
Thursday, September 24, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
59°F 15°C
Overcast
Refreshing around 65°F 18°C, overcast throughout the day, with steady humidity and steady pressure. Winds blowing from the E at 10 mph 15 km/h.
Friday, September 25, 2026
Mid-Morning
58°F 15°C
Overcast
Mid-Afternoon
65°F 18°C
Scattered Showers
Early-Evening
64°F 18°C
Scattered Showers
Mildly cool near 65°F 18°C, locally heavy downpours at times, with steady humidity and steady pressure.
Saturday, September 26, 2026
Mid-Morning
59°F 15°C
Light Fog
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
66°F 19°C
Scattered Showers
Comfortable with temperatures reaching 68°F 20°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling.
Sunday, September 27, 2026
Mid-Morning
60°F 16°C
Cloudy
Mid-Afternoon
68°F 20°C
Partly Cloudy
Early-Evening
65°F 19°C
Scattered Showers
Enjoyable around 68°F 20°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds S at 12 mph 19 km/h. Gusts up to 24 mph 39 km/h.
Monday, September 28, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
47°F 8°C
Scattered Showers
Early-Evening
46°F 8°C
Scattered Showers
Brisk around 47°F 8°C, locally heavy downpours at times, with lower humidity and barometric pressure rising. Winds switching from the S to the WNW at 17 mph 27 km/h. Gusts up to 27 mph 43 km/h.
Tuesday, September 29, 2026
Mid-Morning
42°F 6°C
Sunny
Mid-Afternoon
52°F 11°C
Sunny
Early-Evening
51°F 11°C
Overcast
Cool and brisk at 52°F 11°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds moving from the W to the S at 8 mph 13 km/h.
Wednesday, September 30, 2026
Mid-Morning
52°F 11°C
Overcast
Mid-Afternoon
57°F 14°C
Partly Cloudy
Early-Evening
50°F 10°C
Scattered Showers
Chilly near 57°F 14°C, scattered downpours possible, with increasing humidity and barometric pressure rising. Winds decreasing from SSW 20 mph 32 km/h to WNW 10 mph 16 km/h. Gusts up to 20 mph 32 km/h.
Thursday, October 1, 2026
Mid-Morning
49°F 9°C
Sunny
Mid-Afternoon
60°F 16°C
Sunny
Early-Evening
55°F 13°C
Sunny
Cool with a high near 60°F 16°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the WSW to the W at 10 mph 15 km/h.
Friday, October 2, 2026
Mid-Morning
48°F 9°C
Sunny
Mid-Afternoon
58°F 14°C
Sunny
Early-Evening
53°F 12°C
Sunny
Refreshing around 58°F 14°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the WNW to the W at 7 mph 11 km/h.
Saturday, October 3, 2026
Mid-Morning
51°F 11°C
Overcast
Mid-Afternoon
58°F 15°C
Overcast
Early-Evening
58°F 15°C
Overcast
Mildly cool near 58°F 15°C, overcast throughout the day, with steady humidity and steady pressure.
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