Current weather conditions and 15 day weather forecast for Clark 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.
| 19 September 2026 Saturday 24.3 ° C / 75.7°F ![]() Light rain shower |
Feels Like : 26.2 ° C / 79.2°F Humidity : % 80 Pressure : 1013 mb Wind Speed : 11.2 kmph / 6.9 miles from SSE ![]() Visibility : 10 km Precipitation (rainfall) : 0.16 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 19 September 2026 Saturday | Overcast |
21.2 ° C (70.1°F) |
27.3 ° C (81.1°F) |
23.6 ° C (74.5°F) |
% 85 | 85% | 5 | Sunrise:06:48 AM Sunset: 07:06 PM |
Moonrise:03:46 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Overcast |
16.4 ° C (61.5°F) |
22.7 ° C (72.9°F) |
20.5 ° C (68.9°F) |
% 87 | 70% | 5.7 | Sunrise:06:49 AM Sunset: 07:04 PM |
Moonrise:04:23 PM Moonset: 12:44 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Light rain shower |
13.9 ° C (57°F) |
16.3 ° C (61.3°F) |
15.1 ° C (59.1°F) |
% 95 | 91% | 0.6 | Sunrise:06:50 AM Sunset: 07:03 PM |
Moonrise:04:54 PM Moonset: 01:46 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Patchy rain nearby |
11.8 ° C (53.2°F) |
14.7 ° C (58.5°F) |
13.5 ° C (56.3°F) |
% 95 | 78% | 3 | Sunrise:06:51 AM Sunset: 07:01 PM |
Moonrise:05:20 PM Moonset: 02:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Overcast |
10.9 ° C (51.6°F) |
18.7 ° C (65.7°F) |
14.7 ° C (58.5°F) |
% 81 | 21% | 5 | Sunrise:06:52 AM Sunset: 06:59 PM |
Moonrise:05:43 PM Moonset: 03:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Overcast |
12.8 ° C (55°F) |
19.2 ° C (66.5°F) |
15.3 ° C (59.6°F) |
% 74 | 19% | 4 | Sunrise:06:53 AM Sunset: 06:57 PM |
Moonrise:06:03 PM Moonset: 04:52 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Overcast |
10.6 ° C (51.1°F) |
20.3 ° C (68.5°F) |
15.3 ° C (59.5°F) |
% 76 | 12% | 6 | Sunrise:06:54 AM Sunset: 06:56 PM |
Moonrise:06:23 PM Moonset: 05:53 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
12.6 ° C (54.7°F) |
21.4 ° C (70.5°F) |
16.4 ° C (61.6°F) |
% 74 | 14% | 5 | Sunrise:06:55 AM Sunset: 06:54 PM |
Moonrise:06:44 PM Moonset: 06:55 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Sunny |
12.5 ° C (54.5°F) |
23.8 ° C (74.9°F) |
17.8 ° C (64°F) |
% 65 | 7% | 6 | Sunrise:06:56 AM Sunset: 06:52 PM |
Moonrise:07:06 PM Moonset: 07:58 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
16 ° C (60.8°F) |
21.2 ° C (70.2°F) |
18.2 ° C (64.8°F) |
% 67 | 52% | 5 | Sunrise:06:57 AM Sunset: 06:51 PM |
Moonrise:07:32 PM Moonset: 09:04 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
15.6 ° C (60.1°F) |
19 ° C (66.2°F) |
16.6 ° C (61.9°F) |
% 89 | 35% | 4 | Sunrise:06:58 AM Sunset: 06:49 PM |
Moonrise:08:02 PM Moonset: 10:12 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Overcast |
12.9 ° C (55.2°F) |
17.9 ° C (64.2°F) |
14.8 ° C (58.6°F) |
% 83 | 24% | 4 | Sunrise:06:59 AM Sunset: 06:48 PM |
Moonrise:08:40 PM Moonset: 11:22 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Overcast |
11.2 ° C (52.2°F) |
19 ° C (66.2°F) |
14.5 ° C (58.1°F) |
% 78 | 18% | 5 | Sunrise:07:00 AM Sunset: 06:46 PM |
Moonrise:09:27 PM Moonset: 12:32 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Patchy rain nearby |
12.9 ° C (55.2°F) |
17.7 ° C (63.9°F) |
15 ° C (59°F) |
% 83 | 62% | 4 | Sunrise:07:01 AM Sunset: 06:44 PM |
Moonrise:10:25 PM Moonset: 01:36 PM Moon Phase ( Last Quarter ) |
|