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
| 26 March 2026 Thursday 11.2 ° C / 52.2°F  Clear |
Feels Like : 10.8 ° C / 51.5°F Humidity : % 74 Pressure : 1009 mb Wind Speed : 6.1 kmph / 3.8 miles from SSW  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 | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 26 March 2026 Thursday |  Partly Cloudy |
6.2 ° C (43.2°F) |
21.6 ° C (70.9°F) |
11.3 ° C (52.4°F) |
% 78 | 0% | 0.8 | Sunrise:06:53 AM Sunset: 07:20 PM |
Moonrise:12:17 PM Moonset: 03:33 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday | Partly Cloudy |
-2.6 ° C (27.3°F) |
8.2 ° C (46.8°F) |
2.4 ° C (36.3°F) |
% 62 | 0% | 1.5 | Sunrise:06:51 AM Sunset: 07:21 PM |
Moonrise:01:33 PM Moonset: 04:16 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday | Sunny |
-4.9 ° C (23.2°F) |
9.6 ° C (49.3°F) |
1.7 ° C (35°F) |
% 49 | 0% | 1.2 | Sunrise:06:49 AM Sunset: 07:22 PM |
Moonrise:02:47 PM Moonset: 04:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday | Partly Cloudy |
3.3 ° C (37.9°F) |
16.3 ° C (61.4°F) |
9.6 ° C (49.2°F) |
% 60 | 0% | 1.3 | Sunrise:06:48 AM Sunset: 07:23 PM |
Moonrise:04:00 PM Moonset: 05:17 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday |  Patchy rain nearby |
10.8 ° C (51.4°F) |
20.7 ° C (69.2°F) |
14.5 ° C (58.1°F) |
% 80 | 79% | 0 | Sunrise:06:46 AM Sunset: 07:24 PM |
Moonrise:05:10 PM Moonset: 05:39 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday |  Moderate rain |
6.2 ° C (43.2°F) |
12.8 ° C (55°F) |
9.6 ° C (49.2°F) |
% 91 | 79% | 2 | Sunrise:06:44 AM Sunset: 07:25 PM |
Moonrise:06:17 PM Moonset: 05:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday | Patchy rain nearby |
8.4 ° C (47.1°F) |
17 ° C (62.7°F) |
14.2 ° C (57.5°F) |
% 90 | 87% | 3 | Sunrise:06:42 AM Sunset: 07:26 PM |
Moonrise:07:23 PM Moonset: 06:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday | Moderate rain |
-1.8 ° C (28.7°F) |
1.9 ° C (35.3°F) |
1.2 ° C (34.2°F) |
% 93 | 85% | 1 | Sunrise:06:41 AM Sunset: 07:28 PM |
Moonrise:08:28 PM Moonset: 06:38 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday |  Light snow |
-6.1 ° C (21.1°F) |
-0 ° C (32°F) |
-2.3 ° C (27.9°F) |
% 95 | 73% | 1 | Sunrise:06:39 AM Sunset: 07:29 PM |
Moonrise:09:35 PM Moonset: 07:00 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday |  Freezing fog |
-8.6 ° C (16.6°F) |
3.6 ° C (38.4°F) |
-1.9 ° C (28.5°F) |
% 96 | 0% | 1 | Sunrise:06:37 AM Sunset: 07:30 PM |
Moonrise:10:40 PM Moonset: 07:24 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Sunny |
-1.8 ° C (28.8°F) |
11 ° C (51.8°F) |
4.3 ° C (39.7°F) |
% 81 | 0% | 2 | Sunrise:06:35 AM Sunset: 07:31 PM |
Moonrise:11:45 PM Moonset: 07:53 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday |  Cloudy |
5.6 ° C (42.2°F) |
15.5 ° C (59.9°F) |
10.2 ° C (50.4°F) |
% 64 | 0% | 3 | Sunrise:06:34 AM Sunset: 07:32 PM |
Moonrise:No moonrise Moonset: 08:28 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday | Patchy rain nearby |
9.3 ° C (48.7°F) |
13.5 ° C (56.3°F) |
11.8 ° C (53.3°F) |
% 79 | 87% | 3 | Sunrise:06:32 AM Sunset: 07:33 PM |
Moonrise:12:46 AM Moonset: 09:11 AM Moon Phase ( Waning Gibbous ) |
|
| 08 April 2026 Wednesday | Patchy rain nearby |
7.1 ° C (44.7°F) |
16.4 ° C (61.5°F) |
12.2 ° C (54°F) |
% 89 | 82% | 3 | Sunrise:06:30 AM Sunset: 07:34 PM |
Moonrise:01:41 AM Moonset: 10:02 AM Moon Phase ( Waning Gibbous ) |
|
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