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Cornell IL Weather - Clear - 74°F
Clear
74°F
Updated 12:26 am
Feels Like 82°F
Humidity 98%
Wind N 0 mph
Barometer  29.95 in
Dew Point 74°F
Cornell IL Weather - Clear - 24°C
Clear
24°C
Updated 12:26 am
Feels Like 28°C
Humidity 98%
Wind N 0 km/h
Barometer  101.4 kPa
Dew Point 23°C
Cornell, IL Weather and Current Conditionscornell il weather forecast

Cornell, IL Weather Forecast

Cornell Illinois WeatherCornell, Illinois Weather Weather Forecast
14 day API weather forecast for Cornell, Illinois. Note: The 7-day weather forecast for Cornell, IL is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Cornell, IL Weather Forecast Dated: 1226 AM Fri Sep 04 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.

Friday, September 4, 2026

Mid-Morning
Cornell Weather - 2026-09-04 - Morning - Sunny
81°F 27°C
Sunny
Mid-Afternoon
Cornell Weather - 2026-09-04 - Afternoon - Nearby Thunderstorms
94°F 34°C
Nearby Thunderstorms
Early-Evening
Cornell Weather - 2026-09-04 - Evening - Overcast
89°F 31°C
Overcast
Sizzling hot near 94°F 34°C with a heat index reaching 99°F 37°C, periods of heavy thunderstorms, with steady humidity and steady pressure. Winds turning from the SW to the SSE at 5 mph 8 km/h.

Saturday, September 5, 2026

Mid-Morning
Cornell Weather - 2026-09-05 - Morning - Sunny
79°F 26°C
Sunny
Mid-Afternoon
Cornell Weather - 2026-09-05 - Afternoon - Sunny
89°F 32°C
Sunny
Early-Evening
Cornell Weather - 2026-09-05 - Evening - Sunny
80°F 27°C
Sunny
Quite warm reaching 89°F 32°C, feeling like 93°F 34°C during peak afternoon, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the NNW to the NNE at 8 mph 13 km/h.

Sunday, September 6, 2026

Mid-Morning
Cornell Weather - 2026-09-06 - Morning - Cloudy
70°F 21°C
Cloudy
Mid-Afternoon
Cornell Weather - 2026-09-06 - Afternoon - Sunny
81°F 27°C
Sunny
Early-Evening
Cornell Weather - 2026-09-06 - Evening - Sunny
73°F 23°C
Sunny
Quite warm around 81°F 27°C, cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds ENE at 11 mph 17 km/h. Gusts up to 21 mph 34 km/h.

Monday, September 7, 2026

Mid-Morning
Cornell Weather - 2026-09-07 - Morning - Overcast
64°F 18°C
Overcast
Mid-Afternoon
Cornell Weather - 2026-09-07 - Afternoon - Overcast
78°F 25°C
Overcast
Early-Evening
Cornell Weather - 2026-09-07 - Evening - Sunny
72°F 23°C
Sunny
Mild temperatures up to 78°F 25°C, overcast through the afternoon, turning sunny this evening, with steady humidity and steady pressure. Winds swinging from the E to the ESE at 6 mph 10 km/h.

Tuesday, September 8, 2026

Mid-Morning
Cornell Weather - 2026-09-08 - Morning - Partly Cloudy
69°F 21°C
Partly Cloudy
Mid-Afternoon
Cornell Weather - 2026-09-08 - Afternoon - Overcast
84°F 29°C
Overcast
Early-Evening
Cornell Weather - 2026-09-08 - Evening - Overcast
81°F 28°C
Overcast
Very warm with a high of 84°F 29°C, partly cloudy in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds blowing from the S at 11 mph 17 km/h. Gusts up to 25 mph 41 km/h.

Wednesday, September 9, 2026

Mid-Morning
Cornell Weather - 2026-09-09 - Morning - Overcast
83°F 28°C
Overcast
Mid-Afternoon
Cornell Weather - 2026-09-09 - Afternoon - Sunny
91°F 33°C
Sunny
Early-Evening
Cornell Weather - 2026-09-09 - Evening - Partly Cloudy
84°F 29°C
Partly Cloudy
Very hot with a high of 91°F 33°C, feeling closer to 95°F 35°C in the humidity, partly cloudy through the afternoon, turning overcast this evening, with increasing humidity and steady pressure. Winds turning from the SW to the NE at 8 mph 13 km/h.

Thursday, September 10, 2026

Mid-Morning
Cornell Weather - 2026-09-10 - Morning - Overcast
75°F 24°C
Overcast
Mid-Afternoon
Cornell Weather - 2026-09-10 - Afternoon - Partly Cloudy
85°F 30°C
Partly Cloudy
Early-Evening
Cornell Weather - 2026-09-10 - Evening - Scattered Showers
79°F 26°C
Scattered Showers
Balmy with temperatures reaching 85°F 30°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the E to the ENE at 9 mph 14 km/h.

Friday, September 11, 2026

Mid-Morning
Cornell Weather - 2026-09-11 - Morning - Scattered Showers
68°F 20°C
Scattered Showers
Mid-Afternoon
Cornell Weather - 2026-09-11 - Afternoon - Sunny
77°F 25°C
Sunny
Early-Evening
Cornell Weather - 2026-09-11 - Evening - Overcast
72°F 22°C
Overcast
Enjoyable around 77°F 25°C, scattered downpours possible, with increasing humidity and steady pressure. Winds moving from the E to the ENE at 12 mph 19 km/h. Gusts up to 22 mph 35 km/h.

Saturday, September 12, 2026

Mid-Morning
Cornell Weather - 2026-09-12 - Morning - Sunny
67°F 20°C
Sunny
Mid-Afternoon
Cornell Weather - 2026-09-12 - Afternoon - Partly Cloudy
81°F 27°C
Partly Cloudy
Early-Evening
Cornell Weather - 2026-09-12 - Evening - Sunny
77°F 25°C
Sunny
Warm temperatures up to 81°F 27°C, sunny throughout the day, with steady humidity and steady pressure. Winds SE at 11 mph 18 km/h. Gusts up to 22 mph 36 km/h.

Sunday, September 13, 2026

Mid-Morning
Cornell Weather - 2026-09-13 - Morning - Sunny
76°F 25°C
Sunny
Mid-Afternoon
Cornell Weather - 2026-09-13 - Afternoon - Sunny
96°F 35°C
Sunny
Early-Evening
Cornell Weather - 2026-09-13 - Evening - Sunny
88°F 31°C
Sunny
Sizzling hot near 96°F 35°C with a heat index reaching 99°F 37°C, cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds out of the SSE at 10 mph 17 km/h. Gusts up to 30 mph 49 km/h.

Monday, September 14, 2026

Mid-Morning
Cornell Weather - 2026-09-14 - Morning - Scattered Showers
80°F 27°C
Scattered Showers
Mid-Afternoon
Cornell Weather - 2026-09-14 - Afternoon - Scattered Showers
93°F 34°C
Scattered Showers
Early-Evening
Cornell Weather - 2026-09-14 - Evening - Sunny
85°F 29°C
Sunny
Very hot with temperatures reaching 93°F 34°C, scattered downpours possible, with lower humidity and steady pressure. Winds blowing from the WSW at 11 mph 17 km/h.

Tuesday, September 15, 2026

Mid-Morning
Cornell Weather - 2026-09-15 - Morning - Scattered Showers
78°F 26°C
Scattered Showers
Mid-Afternoon
Cornell Weather - 2026-09-15 - Afternoon - Sunny
93°F 34°C
Sunny
Early-Evening
Cornell Weather - 2026-09-15 - Evening - Sunny
85°F 29°C
Sunny
Very hot with a high of 93°F 34°C, feeling closer to 96°F 35°C in the humidity, locally heavy downpours at times, with steady humidity and steady pressure. Winds switching from the SW to the ESE at 8 mph 13 km/h.

Wednesday, September 16, 2026

Mid-Morning
Cornell Weather - 2026-09-16 - Morning - Sunny
74°F 23°C
Sunny
Mid-Afternoon
Cornell Weather - 2026-09-16 - Afternoon - Sunny
85°F 30°C
Sunny
Early-Evening
Cornell Weather - 2026-09-16 - Evening - Sunny
77°F 25°C
Sunny
Quite warm around 85°F 30°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the NE to the E at 7 mph 11 km/h.

Thursday, September 17, 2026

Mid-Morning
Cornell Weather - 2026-09-17 - Morning - Light Showers
65°F 19°C
Light Showers
Mid-Afternoon
Cornell Weather - 2026-09-17 - Afternoon - Scattered Showers
71°F 22°C
Scattered Showers
Early-Evening
Cornell Weather - 2026-09-17 - Evening - Overcast
75°F 24°C
Overcast
Mild temperatures up to 71°F 22°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds swinging from the ENE to the ESE at 9 mph 15 km/h.

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Weather by the Numbers

Fri, 4th
Cornell IL Weather - Friday, Sep 4, 2026 - Sunny
Hi: 94°F 34°C
Lo: 77°F 25°C
Sunrise 06:24 AM
Sunset 07:22 PM
Wind W 10 mph16 km/h
Dew Point 68°F20°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 2% *
Humidity 50%
Sat, 5th
Cornell IL Weather - Saturday, Sep 5, 2026 - Sunny
Hi: 89°F 32°C
Lo: 72°F 22°C
Sunrise 06:25 AM
Sunset 07:21 PM
Wind NNE 9 mph15 km/h
Dew Point 69°F21°C
uv Index 7
Barometric Pressure 29.91 in1013 mb
POP 3% *
Humidity 58%
Sun, 6th
Cornell IL Weather - Sunday, Sep 6, 2026 - Cloudy
Hi: 81°F 27°C
Lo: 67°F 19°C
Sunrise 06:26 AM
Sunset 07:19 PM
Wind ENE 9 mph14 km/h
Dew Point 64°F18°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 10% *
Humidity 62%
Mon, 7th
Cornell IL Weather - Monday, Sep 7, 2026 - Sunny
Hi: 78°F 26°C
Lo: 61°F 16°C
Sunrise 06:27 AM
Sunset 07:17 PM
Wind ESE 8 mph13 km/h
Dew Point 54°F12°C
uv Index 6
Barometric Pressure 30.15 in1021 mb
POP 3% *
Humidity 58%
Tue, 8th
Cornell IL Weather - Tuesday, Sep 8, 2026 - Overcast
Hi: 85°F 29°C
Lo: 64°F 18°C
Sunrise 06:28 AM
Sunset 07:16 PM
Wind S 10 mph15 km/h
Dew Point 61°F16°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 12% *
Humidity 52%
Wed, 9th
Cornell IL Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 91°F 33°C
Lo: 77°F 25°C
Sunrise 06:29 AM
Sunset 07:14 PM
Wind W 11 mph18 km/h
Dew Point 65°F18°C
uv Index 8
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 46%
Thu, 10th
Cornell IL Weather - Thursday, Sep 10, 2026 - Patchy Rain Nearby
Hi: 85°F 30°C
Lo: 72°F 22°C
Sunrise 06:30 AM
Sunset 07:12 PM
Wind NE 7 mph11 km/h
Dew Point 63°F17°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 6% *
Humidity 54%
Fri, 11th
Cornell IL Weather - Friday, Sep 11, 2026 - Sunny
Hi: 78°F 26°C
Lo: 65°F 18°C
Sunrise 06:31 AM
Sunset 07:10 PM
Wind ESE 10 mph16 km/h
Dew Point 55°F13°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 3% *
Humidity 54%
Sat, 12th
Cornell IL Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 82°F 28°C
Lo: 62°F 17°C
Sunrise 06:32 AM
Sunset 07:09 PM
Wind SE 12 mph20 km/h
Dew Point 59°F15°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 5% *
Humidity 58%
Sun, 13th
Cornell IL Weather - Sunday, Sep 13, 2026 - Patchy Rain Nearby
Hi: 97°F 36°C
Lo: 69°F 21°C
Sunrise 06:33 AM
Sunset 07:07 PM
Wind SSW 10 mph17 km/h
Dew Point 64°F18°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 3% *
Humidity 45%
Mon, 14th
Cornell IL Weather - Monday, Sep 14, 2026 - Overcast
Hi: 93°F 34°C
Lo: 74°F 24°C
Sunrise 06:34 AM
Sunset 07:05 PM
Wind WSW 9 mph15 km/h
Dew Point 63°F17°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 8% *
Humidity 42%
Tue, 15th
Cornell IL Weather - Tuesday, Sep 15, 2026 - Patchy Rain Nearby
Hi: 94°F 34°C
Lo: 72°F 22°C
Sunrise 06:35 AM
Sunset 07:04 PM
Wind WSW 11 mph17 km/h
Dew Point 63°F17°C
uv Index 7
Barometric Pressure 29.85 in1011 mb
POP 2% *
Humidity 44%
Wed, 16th
Cornell IL Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 86°F 30°C
Lo: 68°F 20°C
Sunrise 06:36 AM
Sunset 07:02 PM
Wind NE 8 mph13 km/h
Dew Point 49°F10°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 34%
Thu, 17th
Cornell IL Weather - Thursday, Sep 17, 2026 - Overcast
Hi: 75°F 24°C
Lo: 64°F 18°C
Sunrise 06:37 AM
Sunset 07:00 PM
Wind SE 16 mph26 km/h
Dew Point 60°F16°C
uv Index 4
Barometric Pressure 29.94 in1014 mb
POP 34% *
Humidity 81%
* POP = Probability of Precipitation. Data for 12:00 PM.