John L Coppernoll Airport Weather Forecast 15 Days, Weather in 4LL3 Today
Current weather conditions and 15 day weather forecast for John L Coppernoll Airport, 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 John L Coppernoll Airport
| 24 August 2025 Sunday 14.1 ° C / 57.4°F  Mist |
Feels Like : 13.3 ° C / 55.9°F Humidity : % 85 Pressure : 1016 mb Wind Speed : 12.2 kmph / 7.6 miles from WNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for John L Coppernoll Airport, IL, USA
Weather Forecast for next 15 Days for John L Coppernoll Airport 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 John L Coppernoll Airport, Illinois state, US. To see the daily forecast, scroll to the table below.
| Date | |
|---|---|
| 24 August 2025 Sunday | |
| Weather forecast |  Partly Cloudy |
| Low temperature | 9.7 ° C (49.5°F) |
| High temperature | 22.2 ° C (72°F) |
| Avg. temperature | 15.7 ° C (60.3°F) |
| Humidity | % 79 |
| Chance of rain | 0% |
| UV Index | 1.7 |
| Sun Position | Sunrise:06:17 AM Sunset: 07:47 PM |
| Moon Position | Moonrise:07:41 AM Moonset: 08:28 PM Moon Phase ( Waxing Crescent ) |
| 25 August 2025 Monday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 7.2 ° C (45°F) |
| High temperature | 19.6 ° C (67.3°F) |
| Avg. temperature | 14 ° C (57.1°F) |
| Humidity | % 73 |
| Chance of rain | 0% |
| UV Index | 1.7 |
| Sun Position | Sunrise:06:18 AM Sunset: 07:45 PM |
| Moon Position | Moonrise:08:45 AM Moonset: 08:46 PM Moon Phase ( Waxing Crescent ) |
| 26 August 2025 Tuesday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 7.1 ° C (44.8°F) |
| High temperature | 19.8 ° C (67.6°F) |
| Avg. temperature | 14.7 ° C (58.4°F) |
| Humidity | % 69 |
| Chance of rain | 0% |
| UV Index | 1.3 |
| Sun Position | Sunrise:06:19 AM Sunset: 07:44 PM |
| Moon Position | Moonrise:09:49 AM Moonset: 09:05 PM Moon Phase ( Waxing Crescent ) |
| 27 August 2025 Wednesday | |
| Weather forecast |  Patchy rain nearby |
| Low temperature | 9.4 ° C (48.9°F) |
| High temperature | 21.1 ° C (70°F) |
| Avg. temperature | 15 ° C (59.1°F) |
| Humidity | % 75 |
| Chance of rain | 74% |
| UV Index | 1.6 |
| Sun Position | Sunrise:06:20 AM Sunset: 07:42 PM |
| Moon Position | Moonrise:10:52 AM Moonset: 09:25 PM Moon Phase ( Waxing Crescent ) |
| 28 August 2025 Thursday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 13.9 ° C (57°F) |
| High temperature | 25.2 ° C (77.4°F) |
| Avg. temperature | 17.3 ° C (63.1°F) |
| Humidity | % 87 |
| Chance of rain | 88% |
| UV Index | 0 |
| Sun Position | Sunrise:06:21 AM Sunset: 07:41 PM |
| Moon Position | Moonrise:11:56 AM Moonset: 09:48 PM Moon Phase ( Waxing Crescent ) |
| 29 August 2025 Friday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 16 ° C (60.8°F) |
| High temperature | 25.1 ° C (77.1°F) |
| Avg. temperature | 20 ° C (68.1°F) |
| Humidity | % 88 |
| Chance of rain | 83% |
| UV Index | 5 |
| Sun Position | Sunrise:06:22 AM Sunset: 07:39 PM |
| Moon Position | Moonrise:01:01 PM Moonset: 10:15 PM Moon Phase ( Waxing Crescent ) |
| 30 August 2025 Saturday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 15.8 ° C (60.5°F) |
| High temperature | 22.1 ° C (71.8°F) |
| Avg. temperature | 18.4 ° C (65.1°F) |
| Humidity | % 90 |
| Chance of rain | 68% |
| UV Index | 4 |
| Sun Position | Sunrise:06:23 AM Sunset: 07:37 PM |
| Moon Position | Moonrise:02:05 PM Moonset: 10:49 PM Moon Phase ( Waxing Crescent ) |
| 31 August 2025 Sunday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 15.8 ° C (60.5°F) |
| High temperature | 26.3 ° C (79.4°F) |
| Avg. temperature | 20.3 ° C (68.6°F) |
| Humidity | % 80 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:06:24 AM Sunset: 07:36 PM |
| Moon Position | Moonrise:03:07 PM Moonset: 11:31 PM Moon Phase ( First Quarter ) |
| 01 September 2025 Monday | |
| Weather forecast |  Sunny |
| Low temperature | 16.3 ° C (61.4°F) |
| High temperature | 25.9 ° C (78.5°F) |
| Avg. temperature | 20.8 ° C (69.5°F) |
| Humidity | % 78 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:06:26 AM Sunset: 07:34 PM |
| Moon Position | Moonrise:04:04 PM Moonset: No moonset Moon Phase ( Waxing Gibbous ) |
| 02 September 2025 Tuesday | |
| Weather forecast | Sunny |
| Low temperature | 17.2 ° C (63°F) |
| High temperature | 26 ° C (78.8°F) |
| Avg. temperature | 21.2 ° C (70.2°F) |
| Humidity | % 78 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:06:27 AM Sunset: 07:32 PM |
| Moon Position | Moonrise:04:54 PM Moonset: 12:22 AM Moon Phase ( Waxing Gibbous ) |
| 03 September 2025 Wednesday | |
| Weather forecast | Sunny |
| Low temperature | 18.5 ° C (65.2°F) |
| High temperature | 26.1 ° C (78.9°F) |
| Avg. temperature | 21.8 ° C (71.2°F) |
| Humidity | % 74 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:06:28 AM Sunset: 07:30 PM |
| Moon Position | Moonrise:05:37 PM Moonset: 01:24 AM Moon Phase ( Waxing Gibbous ) |
| 04 September 2025 Thursday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 18.8 ° C (65.9°F) |
| High temperature | 25.1 ° C (77.1°F) |
| Avg. temperature | 21 ° C (69.7°F) |
| Humidity | % 82 |
| Chance of rain | 61% |
| UV Index | 5 |
| Sun Position | Sunrise:06:29 AM Sunset: 07:29 PM |
| Moon Position | Moonrise:06:11 PM Moonset: 02:32 AM Moon Phase ( Waxing Gibbous ) |
| 05 September 2025 Friday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 18.3 ° C (65°F) |
| High temperature | 28.6 ° C (83.5°F) |
| Avg. temperature | 22.8 ° C (73°F) |
| Humidity | % 79 |
| Chance of rain | 69% |
| UV Index | 5 |
| Sun Position | Sunrise:06:30 AM Sunset: 07:27 PM |
| Moon Position | Moonrise:06:39 PM Moonset: 03:45 AM Moon Phase ( Waxing Gibbous ) |
| 06 September 2025 Saturday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 18.6 ° C (65.4°F) |
| High temperature | 26.2 ° C (79.1°F) |
| Avg. temperature | 22.3 ° C (72.2°F) |
| Humidity | % 81 |
| Chance of rain | 88% |
| UV Index | 5 |
| Sun Position | Sunrise:06:31 AM Sunset: 07:25 PM |
| Moon Position | Moonrise:07:04 PM Moonset: 05:00 AM Moon Phase ( Waxing Gibbous ) |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 24 August 2025 Sunday | Partly Cloudy |
9.7 ° C (49.5°F) |
22.2 ° C (72°F) |
15.7 ° C (60.3°F) |
% 79 | 0% | 1.7 | Sunrise:06:17 AM Sunset: 07:47 PM |
Moonrise:07:41 AM Moonset: 08:28 PM Moon Phase ( Waxing Crescent ) |
|
| 25 August 2025 Monday | Partly Cloudy |
7.2 ° C (45°F) |
19.6 ° C (67.3°F) |
14 ° C (57.1°F) |
% 73 | 0% | 1.7 | Sunrise:06:18 AM Sunset: 07:45 PM |
Moonrise:08:45 AM Moonset: 08:46 PM Moon Phase ( Waxing Crescent ) |
|
| 26 August 2025 Tuesday | Partly Cloudy |
7.1 ° C (44.8°F) |
19.8 ° C (67.6°F) |
14.7 ° C (58.4°F) |
% 69 | 0% | 1.3 | Sunrise:06:19 AM Sunset: 07:44 PM |
Moonrise:09:49 AM Moonset: 09:05 PM Moon Phase ( Waxing Crescent ) |
|
| 27 August 2025 Wednesday | Patchy rain nearby |
9.4 ° C (48.9°F) |
21.1 ° C (70°F) |
15 ° C (59.1°F) |
% 75 | 74% | 1.6 | Sunrise:06:20 AM Sunset: 07:42 PM |
Moonrise:10:52 AM Moonset: 09:25 PM Moon Phase ( Waxing Crescent ) |
|
| 28 August 2025 Thursday | Patchy rain nearby |
13.9 ° C (57°F) |
25.2 ° C (77.4°F) |
17.3 ° C (63.1°F) |
% 87 | 88% | 0 | Sunrise:06:21 AM Sunset: 07:41 PM |
Moonrise:11:56 AM Moonset: 09:48 PM Moon Phase ( Waxing Crescent ) |
|
| 29 August 2025 Friday | Patchy rain nearby |
16 ° C (60.8°F) |
25.1 ° C (77.1°F) |
20 ° C (68.1°F) |
% 88 | 83% | 5 | Sunrise:06:22 AM Sunset: 07:39 PM |
Moonrise:01:01 PM Moonset: 10:15 PM Moon Phase ( Waxing Crescent ) |
|
| 30 August 2025 Saturday | Patchy rain nearby |
15.8 ° C (60.5°F) |
22.1 ° C (71.8°F) |
18.4 ° C (65.1°F) |
% 90 | 68% | 4 | Sunrise:06:23 AM Sunset: 07:37 PM |
Moonrise:02:05 PM Moonset: 10:49 PM Moon Phase ( Waxing Crescent ) |
|
| 31 August 2025 Sunday | Partly Cloudy |
15.8 ° C (60.5°F) |
26.3 ° C (79.4°F) |
20.3 ° C (68.6°F) |
% 80 | 0% | 6 | Sunrise:06:24 AM Sunset: 07:36 PM |
Moonrise:03:07 PM Moonset: 11:31 PM Moon Phase ( First Quarter ) |
|
| 01 September 2025 Monday | Sunny |
16.3 ° C (61.4°F) |
25.9 ° C (78.5°F) |
20.8 ° C (69.5°F) |
% 78 | 0% | 6 | Sunrise:06:26 AM Sunset: 07:34 PM |
Moonrise:04:04 PM Moonset: No moonset Moon Phase ( Waxing Gibbous ) |
|
| 02 September 2025 Tuesday | Sunny |
17.2 ° C (63°F) |
26 ° C (78.8°F) |
21.2 ° C (70.2°F) |
% 78 | 0% | 6 | Sunrise:06:27 AM Sunset: 07:32 PM |
Moonrise:04:54 PM Moonset: 12:22 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 September 2025 Wednesday | Sunny |
18.5 ° C (65.2°F) |
26.1 ° C (78.9°F) |
21.8 ° C (71.2°F) |
% 74 | 0% | 6 | Sunrise:06:28 AM Sunset: 07:30 PM |
Moonrise:05:37 PM Moonset: 01:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 04 September 2025 Thursday | Patchy rain nearby |
18.8 ° C (65.9°F) |
25.1 ° C (77.1°F) |
21 ° C (69.7°F) |
% 82 | 61% | 5 | Sunrise:06:29 AM Sunset: 07:29 PM |
Moonrise:06:11 PM Moonset: 02:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 05 September 2025 Friday | Patchy rain nearby |
18.3 ° C (65°F) |
28.6 ° C (83.5°F) |
22.8 ° C (73°F) |
% 79 | 69% | 5 | Sunrise:06:30 AM Sunset: 07:27 PM |
Moonrise:06:39 PM Moonset: 03:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 06 September 2025 Saturday | Patchy rain nearby |
18.6 ° C (65.4°F) |
26.2 ° C (79.1°F) |
22.3 ° C (72.2°F) |
% 81 | 88% | 5 | Sunrise:06:31 AM Sunset: 07:25 PM |
Moonrise:07:04 PM Moonset: 05:00 AM Moon Phase ( Waxing Gibbous ) |
|
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