Oconee, IL 14 Day Weather - 62553 WeatherWorld.com
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Oconee, IL Weather Forecast


Oconee, IL Weather Forecast Dated: 618 AM Thu Sep 03 2026
Expect a hot stretch with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Thursday, September 3, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
91°F 33°C
Sunny
Very hot with temperatures reaching 99°F 37°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the WSW to the S at 8 mph 13 km/h.
Friday, September 4, 2026
Mid-Morning
87°F 30°C
Scattered Showers
Mid-Afternoon
102°F 39°C
Cloudy
Early-Evening
92°F 33°C
Overcast
Sweltering heat reaching 102°F 39°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the W to the SE at 5 mph 7 km/h.
Saturday, September 5, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
101°F 39°C
Overcast
Early-Evening
74°F 23°C
Heavy Rain Showers
Dangerously hot temperatures around 101°F 39°C, dry most of the day, with showers developing late, with increasing humidity and steady pressure. Winds moving from the SE to the S at 12 mph 19 km/h. Gusts up to 20 mph 32 km/h.
Sunday, September 6, 2026
Mid-Morning
74°F 23°C
Partly Cloudy
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
82°F 28°C
Sunny
Hot temperatures near 95°F 35°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds swinging from the SE to the ENE at 11 mph 18 km/h. Gusts up to 21 mph 34 km/h.
Monday, September 7, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
89°F 31°C
Sunny
Very hot with a high of 96°F 36°C, sunny through the afternoon, turning overcast this evening, with steady humidity and barometric pressure falling. Winds blowing from the SE at 9 mph 15 km/h. Gusts up to 21 mph 34 km/h.
Tuesday, September 8, 2026
Mid-Morning
86°F 30°C
Overcast
Mid-Afternoon
101°F 38°C
Overcast
Early-Evening
95°F 35°C
Sunny
Sweltering heat reaching 101°F 38°C, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds turning from the SSW to the S at 11 mph 18 km/h. Gusts up to 21 mph 34 km/h.
Wednesday, September 9, 2026
Mid-Morning
88°F 31°C
Sunny
Mid-Afternoon
96°F 36°C
Cloudy
Early-Evening
85°F 30°C
Sunny
Hot and sweltering around 96°F 36°C, partly cloudy through the afternoon, turning sunny this evening, with steady humidity and steady pressure. Winds switching from the SW to the NNE at 10 mph 16 km/h.
Thursday, September 10, 2026
Mid-Morning
73°F 23°C
Partly Cloudy
Mid-Afternoon
87°F 30°C
Cloudy
Early-Evening
76°F 24°C
Sunny
Quite warm around 87°F 30°C, partly cloudy through the afternoon, turning sunny this evening, with steady humidity and steady pressure. Winds blowing from the NNE at 9 mph 15 km/h. Gusts up to 20 mph 32 km/h.
Friday, September 11, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
82°F 28°C
Sunny
Hot temperatures near 90°F 32°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds ESE at 8 mph 13 km/h. Gusts up to 21 mph 34 km/h.
Saturday, September 12, 2026
Mid-Morning
80°F 27°C
Overcast
Mid-Afternoon
97°F 36°C
Partly Cloudy
Early-Evening
91°F 33°C
Scattered Showers
Very hot with a high of 97°F 36°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds out of the SSW at 12 mph 19 km/h. Gusts up to 27 mph 43 km/h.
Sunday, September 13, 2026
Mid-Morning
88°F 31°C
Cloudy
Mid-Afternoon
101°F 38°C
Sunny
Early-Evening
91°F 33°C
Cloudy
Dangerously hot temperatures around 101°F 38°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds turning from the SSW to the SW at 13 mph 21 km/h. Gusts up to 25 mph 40 km/h.
Monday, September 14, 2026
Mid-Morning
88°F 31°C
Sunny
Mid-Afternoon
105°F 41°C
Sunny
Early-Evening
88°F 31°C
Sunny
Dangerously hot with a high of 105°F 41°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds switching from the WSW to the NE at 14 mph 22 km/h. Gusts up to 23 mph 37 km/h.
Tuesday, September 15, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
78°F 26°C
Sunny
Quite warm around 89°F 32°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the ENE to the NE at 9 mph 14 km/h.
Wednesday, September 16, 2026
Mid-Morning
71°F 21°C
Partly Cloudy
Mid-Afternoon
85°F 29°C
Partly Cloudy
Early-Evening
73°F 23°C
Partly Cloudy
Warm temperatures up to 85°F 29°C, partly cloudy through the afternoon, turning overcast this evening, with steady humidity and steady pressure. Winds swinging from the NE to the ENE at 12 mph 19 km/h. Gusts up to 22 mph 35 km/h.
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