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Oconee IL Weather - Clear - 73°F
Clear
73°F
Updated 6:18 am
Feels Like 78°F
Humidity 93%
Wind ESE 3 mph
Barometer  30.03 in
Dew Point 71°F
Oconee IL Weather - Clear - 23°C
Clear
23°C
Updated 6:18 am
Feels Like 26°C
Humidity 93%
Wind ESE 5 km/h
Barometer  101.6 kPa
Dew Point 22°C
Oconee, IL Weather and Current Conditionsoconee il weather forecast

Oconee, IL Weather Forecast

Oconee Illinois WeatherOconee, Illinois Weather Weather Forecast
14 day API Oconee, IL weather forecast. Note. Our 7-day weather forecast for Oconee, Illinois is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
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
Oconee Weather - 2026-09-03 - Morning - Sunny
86°F 30°C
Sunny
Mid-Afternoon
Oconee Weather - 2026-09-03 - Afternoon - Sunny
99°F 37°C
Sunny
Early-Evening
Oconee Weather - 2026-09-03 - Evening - Sunny
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
Oconee Weather - 2026-09-04 - Morning - Scattered Showers
87°F 30°C
Scattered Showers
Mid-Afternoon
Oconee Weather - 2026-09-04 - Afternoon - Cloudy
102°F 39°C
Cloudy
Early-Evening
Oconee Weather - 2026-09-04 - Evening - Overcast
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
Oconee Weather - 2026-09-05 - Morning - Sunny
85°F 30°C
Sunny
Mid-Afternoon
Oconee Weather - 2026-09-05 - Afternoon - Overcast
101°F 39°C
Overcast
Early-Evening
Oconee Weather - 2026-09-05 - Evening - Heavy Rain Showers
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
Oconee Weather - 2026-09-06 - Morning - Partly Cloudy
74°F 23°C
Partly Cloudy
Mid-Afternoon
Oconee Weather - 2026-09-06 - Afternoon - Sunny
95°F 35°C
Sunny
Early-Evening
Oconee Weather - 2026-09-06 - Evening - Sunny
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
Oconee Weather - 2026-09-07 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Oconee Weather - 2026-09-07 - Afternoon - Sunny
96°F 36°C
Sunny
Early-Evening
Oconee Weather - 2026-09-07 - Evening - Sunny
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
Oconee Weather - 2026-09-08 - Morning - Overcast
86°F 30°C
Overcast
Mid-Afternoon
Oconee Weather - 2026-09-08 - Afternoon - Overcast
101°F 38°C
Overcast
Early-Evening
Oconee Weather - 2026-09-08 - Evening - Sunny
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
Oconee Weather - 2026-09-09 - Morning - Sunny
88°F 31°C
Sunny
Mid-Afternoon
Oconee Weather - 2026-09-09 - Afternoon - Cloudy
96°F 36°C
Cloudy
Early-Evening
Oconee Weather - 2026-09-09 - Evening - Sunny
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
Oconee Weather - 2026-09-10 - Morning - Partly Cloudy
73°F 23°C
Partly Cloudy
Mid-Afternoon
Oconee Weather - 2026-09-10 - Afternoon - Cloudy
87°F 30°C
Cloudy
Early-Evening
Oconee Weather - 2026-09-10 - Evening - Sunny
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
Oconee Weather - 2026-09-11 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Oconee Weather - 2026-09-11 - Afternoon - Sunny
90°F 32°C
Sunny
Early-Evening
Oconee Weather - 2026-09-11 - Evening - Sunny
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
Oconee Weather - 2026-09-12 - Morning - Overcast
80°F 27°C
Overcast
Mid-Afternoon
Oconee Weather - 2026-09-12 - Afternoon - Partly Cloudy
97°F 36°C
Partly Cloudy
Early-Evening
Oconee Weather - 2026-09-12 - Evening - Scattered Showers
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
Oconee Weather - 2026-09-13 - Morning - Cloudy
88°F 31°C
Cloudy
Mid-Afternoon
Oconee Weather - 2026-09-13 - Afternoon - Sunny
101°F 38°C
Sunny
Early-Evening
Oconee Weather - 2026-09-13 - Evening - Cloudy
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
Oconee Weather - 2026-09-14 - Morning - Sunny
88°F 31°C
Sunny
Mid-Afternoon
Oconee Weather - 2026-09-14 - Afternoon - Sunny
105°F 41°C
Sunny
Early-Evening
Oconee Weather - 2026-09-14 - Evening - Sunny
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
Oconee Weather - 2026-09-15 - Morning - Overcast
73°F 23°C
Overcast
Mid-Afternoon
Oconee Weather - 2026-09-15 - Afternoon - Sunny
89°F 32°C
Sunny
Early-Evening
Oconee Weather - 2026-09-15 - Evening - Sunny
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
Oconee Weather - 2026-09-16 - Morning - Partly Cloudy
71°F 21°C
Partly Cloudy
Mid-Afternoon
Oconee Weather - 2026-09-16 - Afternoon - Partly Cloudy
85°F 29°C
Partly Cloudy
Early-Evening
Oconee Weather - 2026-09-16 - Evening - Partly Cloudy
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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Weather by the Numbers

Thu, 3rd
Oconee IL Weather - Thursday, Sep 3, 2026 - Sunny
Hi: 99°F 37°C
Lo: 76°F 25°C
Sunrise 06:27 AM
Sunset 07:24 PM
Wind WSW 14 mph22 km/h
Dew Point 62°F17°C
uv Index 8
Barometric Pressure 29.94 in1014 mb
POP 0% *
Humidity 32%
Fri, 4th
Oconee IL Weather - Friday, Sep 4, 2026 - Sunny
Hi: 102°F 39°C
Lo: 80°F 27°C
Sunrise 06:27 AM
Sunset 07:23 PM
Wind WNW 8 mph13 km/h
Dew Point 61°F16°C
uv Index 8
Barometric Pressure 29.94 in1014 mb
POP 0% *
Humidity 29%
Sat, 5th
Oconee IL Weather - Saturday, Sep 5, 2026 - Thundery Outbreaks In Nearby
Hi: 101°F 39°C
Lo: 71°F 22°C
Sunrise 06:28 AM
Sunset 07:21 PM
Wind SSW 4 mph7 km/h
Dew Point 62°F17°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 6% *
Humidity 31%
Sun, 6th
Oconee IL Weather - Sunday, Sep 6, 2026 - Sunny
Hi: 95°F 35°C
Lo: 69°F 21°C
Sunrise 06:29 AM
Sunset 07:19 PM
Wind SSE 6 mph9 km/h
Dew Point 62°F17°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 41%
Mon, 7th
Oconee IL Weather - Monday, Sep 7, 2026 - Sunny
Hi: 97°F 36°C
Lo: 63°F 17°C
Sunrise 06:30 AM
Sunset 07:18 PM
Wind SE 9 mph15 km/h
Dew Point 55°F13°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 40%
Tue, 8th
Oconee IL Weather - Tuesday, Sep 8, 2026 - Overcast
Hi: 102°F 39°C
Lo: 79°F 26°C
Sunrise 06:31 AM
Sunset 07:16 PM
Wind SSW 15 mph23 km/h
Dew Point 61°F16°C
uv Index 8
Barometric Pressure 29.97 in1015 mb
POP 9% *
Humidity 32%
Wed, 9th
Oconee IL Weather - Wednesday, Sep 9, 2026 - Partly Cloudy
Hi: 98°F 36°C
Lo: 75°F 24°C
Sunrise 06:32 AM
Sunset 07:15 PM
Wind WNW 15 mph24 km/h
Dew Point 60°F16°C
uv Index 9
Barometric Pressure 29.94 in1014 mb
POP 6% *
Humidity 31%
Thu, 10th
Oconee IL Weather - Thursday, Sep 10, 2026 - Patchy Rain Nearby
Hi: 87°F 31°C
Lo: 66°F 19°C
Sunrise 06:33 AM
Sunset 07:13 PM
Wind NNE 8 mph13 km/h
Dew Point 46°F8°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 5% *
Humidity 28%
Fri, 11th
Oconee IL Weather - Friday, Sep 11, 2026 - Sunny
Hi: 91°F 33°C
Lo: 60°F 16°C
Sunrise 06:34 AM
Sunset 07:11 PM
Wind ESE 8 mph13 km/h
Dew Point 47°F9°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 0% *
Humidity 30%
Sat, 12th
Oconee IL Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 97°F 36°C
Lo: 71°F 22°C
Sunrise 06:35 AM
Sunset 07:10 PM
Wind S 13 mph20 km/h
Dew Point 59°F15°C
uv Index 7
Barometric Pressure 29.91 in1013 mb
POP 4% *
Humidity 33%
Sun, 13th
Oconee IL Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 102°F 39°C
Lo: 82°F 28°C
Sunrise 06:36 AM
Sunset 07:08 PM
Wind SW 19 mph30 km/h
Dew Point 60°F15°C
uv Index 8
Barometric Pressure 29.85 in1011 mb
POP 2% *
Humidity 29%
Mon, 14th
Oconee IL Weather - Monday, Sep 14, 2026 - Partly Cloudy
Hi: 106°F 41°C
Lo: 76°F 25°C
Sunrise 06:37 AM
Sunset 07:06 PM
Wind W 12 mph19 km/h
Dew Point 59°F15°C
uv Index 9
Barometric Pressure 29.94 in1014 mb
POP 2% *
Humidity 28%
Tue, 15th
Oconee IL Weather - Tuesday, Sep 15, 2026 - Overcast
Hi: 90°F 32°C
Lo: 67°F 19°C
Sunrise 06:38 AM
Sunset 07:05 PM
Wind ENE 9 mph15 km/h
Dew Point 39°F4°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 2% *
Humidity 21%
Wed, 16th
Oconee IL Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 85°F 30°C
Lo: 60°F 16°C
Sunrise 06:38 AM
Sunset 07:03 PM
Wind NNE 9 mph15 km/h
Dew Point 39°F4°C
uv Index 7
Barometric Pressure 30.15 in1021 mb
POP 2% *
Humidity 22%
* POP = Probability of Precipitation