Cornell Weather Forecast 15 Days, Weather in Cornell Today

Current weather conditions and 15 day weather forecast for Cornell, Illinois, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.

Current weather conditions at Cornell

10 August 2026 Monday
25.6 ° C / 78.1°F
Clear
Clear
Feels Like : 27.5 ° C / 81.5°F
Humidity : % 88
Pressure : 1011 mb
Wind Speed : 18 kmph / 11.2 miles from SS
Visibility : 10 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

15 day weather forecast for Cornell, IL, USA

Weather Forecast for next 15 Days for Cornell including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.
Here is weather for the next 15 days in Cornell, Illinois state, US. To see the daily forecast, scroll to the table below.
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
09 August 2026 Sunday Sunny Sunny 18.1 ° C
(64.6°F)
32.1 ° C
(89.8°F)
24.9 ° C
(76.9°F)
% 80 11% 7.1 Sunrise:05:58 AM
Sunset: 08:01 PM
Moonrise:01:30 AM
Moonset: 05:50 PM
Moon Phase
( Waning Crescent )
10 August 2026 Monday Sunny Sunny 19.8 ° C
(67.6°F)
31.5 ° C
(88.8°F)
26.3 ° C
(79.4°F)
% 81 69% 6.4 Sunrise:05:59 AM
Sunset: 08:00 PM
Moonrise:02:41 AM
Moonset: 06:42 PM
Moon Phase
( New Moon )
11 August 2026 Tuesday Sunny Sunny 19.9 ° C
(67.8°F)
28.3 ° C
(82.9°F)
24.6 ° C
(76.3°F)
% 85 70% 6.2 Sunrise:06:00 AM
Sunset: 07:59 PM
Moonrise:04:00 AM
Moonset: 07:24 PM
Moon Phase
( New Moon )
12 August 2026 Wednesday Sunny Sunny 19.2 ° C
(66.6°F)
28.8 ° C
(83.9°F)
23.7 ° C
(74.6°F)
% 85 32% 6.6 Sunrise:06:01 AM
Sunset: 07:58 PM
Moonrise:05:23 AM
Moonset: 07:58 PM
Moon Phase
( New Moon )
13 August 2026 Thursday Mist Mist 18.8 ° C
(65.9°F)
24.3 ° C
(75.7°F)
20.7 ° C
(69.2°F)
% 94 89% 6 Sunrise:06:02 AM
Sunset: 07:56 PM
Moonrise:06:45 AM
Moonset: 08:26 PM
Moon Phase
( New Moon )
14 August 2026 Friday Light rain shower Light rain shower 19.2 ° C
(66.5°F)
24.7 ° C
(76.4°F)
21.7 ° C
(71.1°F)
% 91 83% 6 Sunrise:06:03 AM
Sunset: 07:55 PM
Moonrise:08:04 AM
Moonset: 08:51 PM
Moon Phase
( Waxing Crescent )
15 August 2026 Saturday Sunny Sunny 20.3 ° C
(68.5°F)
31 ° C
(87.9°F)
25.6 ° C
(78°F)
% 85 60% 8 Sunrise:06:04 AM
Sunset: 07:53 PM
Moonrise:09:20 AM
Moonset: 09:15 PM
Moon Phase
( Waxing Crescent )
16 August 2026 Sunday Mist Mist 18.4 ° C
(65.1°F)
27.4 ° C
(81.2°F)
23.3 ° C
(74°F)
% 90 67% 7 Sunrise:06:05 AM
Sunset: 07:52 PM
Moonrise:10:34 AM
Moonset: 09:40 PM
Moon Phase
( Waxing Crescent )
17 August 2026 Monday Sunny Sunny 15.1 ° C
(59.2°F)
25.4 ° C
(77.7°F)
20.2 ° C
(68.3°F)
% 82 11% 7 Sunrise:06:06 AM
Sunset: 07:51 PM
Moonrise:11:46 AM
Moonset: 10:06 PM
Moon Phase
( Waxing Crescent )
18 August 2026 Tuesday Sunny Sunny 16.5 ° C
(61.7°F)
26.6 ° C
(79.9°F)
21.3 ° C
(70.4°F)
% 78 11% 7 Sunrise:06:07 AM
Sunset: 07:49 PM
Moonrise:12:58 PM
Moonset: 10:37 PM
Moon Phase
( First Quarter )
19 August 2026 Wednesday Sunny Sunny 18.5 ° C
(65.3°F)
26.6 ° C
(79.9°F)
22.8 ° C
(73°F)
% 79 10% 7 Sunrise:06:08 AM
Sunset: 07:48 PM
Moonrise:02:07 PM
Moonset: 11:13 PM
Moon Phase
( First Quarter )
20 August 2026 Thursday Sunny Sunny 17.3 ° C
(63.1°F)
25.8 ° C
(78.4°F)
21.6 ° C
(70.8°F)
% 78 9% 7 Sunrise:06:09 AM
Sunset: 07:46 PM
Moonrise:03:12 PM
Moonset: 11:55 PM
Moon Phase
( First Quarter )
21 August 2026 Friday Sunny Sunny 18.3 ° C
(64.9°F)
29.2 ° C
(84.6°F)
23.7 ° C
(74.6°F)
% 77 8% 7 Sunrise:06:10 AM
Sunset: 07:45 PM
Moonrise:04:10 PM
Moonset: Does not set today
Moon Phase
( First Quarter )
22 August 2026 Saturday Sunny Sunny 17.1 ° C
(62.8°F)
32 ° C
(89.6°F)
25.9 ° C
(78.6°F)
% 70 36% 8 Sunrise:06:11 AM
Sunset: 07:43 PM
Moonrise:05:00 PM
Moonset: 12:45 AM
Moon Phase
( Waxing Gibbous )
Cornell Weather forecasts are usually fully updated every 4 hours.
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