Foster Pond, IL 14 Day Weather - WeatherWorld.com
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Foster Pond, IL Weather Forecast


Foster Pond, IL Weather Forecast Dated: 412 AM Wed Sep 16 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Wednesday, September 16, 2026
Mid-Morning
76°F 25°C
Sunny
Mid-Afternoon
97°F 36°C
Partly Cloudy
Early-Evening
88°F 31°C
Sunny
Sizzling hot near 97°F 36°C with a heat index reaching 100°F 38°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
89°F 32°C
Partly Cloudy
Hot and sweltering around 99°F 37°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling.
Friday, September 18, 2026
Mid-Morning
81°F 27°C
Cloudy
Mid-Afternoon
99°F 37°C
Partly Cloudy
Early-Evening
86°F 30°C
Partly Cloudy
Sizzling hot with 99°F 37°C, cloudy in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
83°F 28°C
Overcast
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
93°F 34°C
Overcast
Hot temperatures near 99°F 37°C, overcast in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds turning from the SW to the S at 7 mph 11 km/h.
Sunday, September 20, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
88°F 31°C
Sunny
Very hot with a high of 97°F 36°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the WSW to the SSW at 8 mph 12 km/h.
Monday, September 21, 2026
Mid-Morning
72°F 22°C
Light Showers
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
75°F 24°C
Light Showers
Warm and summery near 83°F 28°C, passing showers during morning and evening, with a dry break midday, with steady humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
79°F 26°C
Sunny
Balmy with temperatures reaching 85°F 29°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
91°F 33°C
Overcast
Early-Evening
83°F 28°C
Cloudy
Sizzling hot with 91°F 33°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds SSW at 11 mph 17 km/h. Gusts up to 21 mph 34 km/h.
Thursday, September 24, 2026
Mid-Morning
66°F 19°C
Light Showers
Mid-Afternoon
73°F 23°C
Scattered Showers
Early-Evening
68°F 21°C
Sunny
Mild temperatures up to 73°F 23°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds out of the NW at 17 mph 27 km/h. Gusts up to 21 mph 34 km/h.
Friday, September 25, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
67°F 20°C
Sunny
Mild with a high of 73°F 23°C, sunny throughout the day, with lower humidity and steady pressure. Winds shifting from the NNW to the ENE at 4 mph 5 km/h.
Saturday, September 26, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
72°F 22°C
Sunny
Warm and summery near 80°F 27°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Sunday, September 27, 2026
Mid-Morning
67°F 20°C
Sunny
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
78°F 26°C
Sunny
Balmy with temperatures reaching 87°F 31°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the SE to the S at 5 mph 8 km/h.
Monday, September 28, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
85°F 30°C
Cloudy
Early-Evening
82°F 28°C
Overcast
Quite warm around 85°F 30°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the SSE to the SE at 5 mph 8 km/h.
Tuesday, September 29, 2026
Mid-Morning
78°F 25°C
Overcast
Mid-Afternoon
78°F 26°C
Light Showers
Early-Evening
71°F 22°C
Light Showers
Mild temperatures up to 78°F 26°C, clouds and showers taking over for the afternoon and evening, with increasing humidity and steady pressure. Winds moving from the SW to the SSE at 8 mph 13 km/h.
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