Current weather conditions and 15 day weather forecast for Johnson 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.
| 10 August 2026 Monday 29.3 ° C / 84.7°F ![]() Patchy rain nearby |
Feels Like : 33.5 ° C / 92.3°F Humidity : % 70 Pressure : 1012 mb Wind Speed : 15.5 kmph / 9.6 miles from S ![]() Visibility : 10 km Precipitation (rainfall) : 0.02 mm Cloud (%) : 87 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 August 2026 Sunday | Sunny |
17.1 ° C (62.8°F) |
31.9 ° C (89.4°F) |
24.5 ° C (76°F) |
% 80 | 12% | 6.9 | Sunrise:05:53 AM Sunset: 07:57 PM |
Moonrise:01:25 AM Moonset: 05:46 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Thundery outbreaks in nearby |
21.6 ° C (70.9°F) |
31.3 ° C (88.3°F) |
25.9 ° C (78.6°F) |
% 81 | 73% | 6.3 | Sunrise:05:54 AM Sunset: 07:56 PM |
Moonrise:02:35 AM Moonset: 06:38 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Patchy light rain in area with thunder |
20.2 ° C (68.4°F) |
30.2 ° C (86.4°F) |
24.3 ° C (75.7°F) |
% 89 | 85% | 6.3 | Sunrise:05:55 AM Sunset: 07:55 PM |
Moonrise:03:55 AM Moonset: 07:20 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
18.7 ° C (65.7°F) |
28.9 ° C (84°F) |
23 ° C (73.4°F) |
% 81 | 12% | 6.7 | Sunrise:05:56 AM Sunset: 07:53 PM |
Moonrise:05:18 AM Moonset: 07:54 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
16.6 ° C (62°F) |
28.2 ° C (82.8°F) |
21.7 ° C (71.1°F) |
% 74 | 68% | 6.1 | Sunrise:05:57 AM Sunset: 07:52 PM |
Moonrise:06:40 AM Moonset: 08:22 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Patchy rain nearby |
20.2 ° C (68.4°F) |
25.9 ° C (78.6°F) |
22.8 ° C (73°F) |
% 90 | 87% | 7 | Sunrise:05:58 AM Sunset: 07:51 PM |
Moonrise:07:59 AM Moonset: 08:47 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Sunny |
21.4 ° C (70.6°F) |
31.8 ° C (89.2°F) |
25.9 ° C (78.7°F) |
% 82 | 17% | 8 | Sunrise:05:59 AM Sunset: 07:49 PM |
Moonrise:09:15 AM Moonset: 09:11 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Cloudy |
19.2 ° C (66.6°F) |
29.3 ° C (84.8°F) |
24.1 ° C (75.4°F) |
% 73 | 21% | 5 | Sunrise:06:00 AM Sunset: 07:48 PM |
Moonrise:10:29 AM Moonset: 09:35 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
16 ° C (60.8°F) |
26.6 ° C (80°F) |
20.6 ° C (69°F) |
% 81 | 13% | 7 | Sunrise:06:01 AM Sunset: 07:46 PM |
Moonrise:11:42 AM Moonset: 10:01 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
20.6 ° C (69.1°F) |
30.8 ° C (87.4°F) |
26.8 ° C (80.2°F) |
% 73 | 7% | 8 | Sunrise:06:02 AM Sunset: 07:45 PM |
Moonrise:12:53 PM Moonset: 10:31 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
20.7 ° C (69.2°F) |
30 ° C (86.1°F) |
25 ° C (77°F) |
% 76 | 17% | 8 | Sunrise:06:03 AM Sunset: 07:43 PM |
Moonrise:02:02 PM Moonset: 11:07 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
20.9 ° C (69.6°F) |
29.7 ° C (85.5°F) |
24.8 ° C (76.7°F) |
% 84 | 81% | 7 | Sunrise:06:04 AM Sunset: 07:42 PM |
Moonrise:03:08 PM Moonset: 11:50 PM Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Mist |
19.3 ° C (66.7°F) |
26.5 ° C (79.7°F) |
23.6 ° C (74.5°F) |
% 86 | 29% | 6 | Sunrise:06:05 AM Sunset: 07:40 PM |
Moonrise:04:06 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Sunny |
16.2 ° C (61.2°F) |
25.7 ° C (78.3°F) |
21.1 ° C (69.9°F) |
% 71 | 7% | 7 | Sunrise:06:06 AM Sunset: 07:39 PM |
Moonrise:04:56 PM Moonset: 12:39 AM Moon Phase ( Waxing Gibbous ) |
|