Johnston Airport Weather Forecast 15 Days, Weather in 9IS9 Today
Current weather conditions and 15 day weather forecast for Johnston 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 Johnston Airport
| 16 December 2025 Tuesday -8.3 ° C / 17.1°F  Clear |
Feels Like : -14.1 ° C / 6.6°F Humidity : % 92 Pressure : 1017 mb Wind Speed : 13 kmph / 8.1 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Johnston Airport, IL, USA
Weather Forecast for next 15 Days for Johnston 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 Johnston 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 16 December 2025 Tuesday | Sunny |
-8.7 ° C (16.3°F) |
3.6 ° C (38.5°F) |
-2.7 ° C (27.2°F) |
% 80 | 0% | 0.5 | Sunrise:07:13 AM Sunset: 04:30 PM |
Moonrise:04:15 AM Moonset: 01:55 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Freezing fog |
-2.4 ° C (27.7°F) |
-0.3 ° C (31.5°F) |
-0.9 ° C (30.4°F) |
% 98 | 0% | 0.4 | Sunrise:07:14 AM Sunset: 04:31 PM |
Moonrise:05:18 AM Moonset: 02:27 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Patchy rain nearby |
-4.8 ° C (23.3°F) |
3 ° C (37.4°F) |
1.4 ° C (34.5°F) |
% 97 | 86% | 0.1 | Sunrise:07:15 AM Sunset: 04:31 PM |
Moonrise:06:19 AM Moonset: 03:07 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Cloudy |
-8.4 ° C (16.8°F) |
-2.9 ° C (26.8°F) |
-5.5 ° C (22°F) |
% 60 | 0% | 0.3 | Sunrise:07:15 AM Sunset: 04:31 PM |
Moonrise:07:17 AM Moonset: 03:55 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
-3.3 ° C (26.1°F) |
6.2 ° C (43.2°F) |
0.5 ° C (32.9°F) |
% 59 | 0% | 0 | Sunrise:07:16 AM Sunset: 04:32 PM |
Moonrise:08:08 AM Moonset: 04:51 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
-2.3 ° C (27.9°F) |
4.3 ° C (39.7°F) |
0.8 ° C (33.4°F) |
% 64 | 0% | 2 | Sunrise:07:16 AM Sunset: 04:32 PM |
Moonrise:08:52 AM Moonset: 05:53 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Overcast |
-0.8 ° C (30.6°F) |
5.1 ° C (41.2°F) |
2.3 ° C (36.2°F) |
% 55 | 0% | 1 | Sunrise:07:17 AM Sunset: 04:33 PM |
Moonrise:09:29 AM Moonset: 06:58 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Fog |
4.2 ° C (39.6°F) |
11 ° C (51.8°F) |
6.5 ° C (43.8°F) |
% 86 | 0% | 2 | Sunrise:07:17 AM Sunset: 04:33 PM |
Moonrise:10:00 AM Moonset: 08:05 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Partly Cloudy |
-0.1 ° C (31.9°F) |
5.6 ° C (42.2°F) |
3.3 ° C (38°F) |
% 62 | 0% | 2 | Sunrise:07:18 AM Sunset: 04:34 PM |
Moonrise:10:26 AM Moonset: 09:12 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Overcast |
7 ° C (44.5°F) |
20.3 ° C (68.5°F) |
14.9 ° C (58.8°F) |
% 88 | 0% | 3 | Sunrise:07:18 AM Sunset: 04:35 PM |
Moonrise:10:49 AM Moonset: 10:18 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Overcast |
7.3 ° C (45.2°F) |
17.8 ° C (64°F) |
14.9 ° C (58.8°F) |
% 73 | 0% | 3 | Sunrise:07:18 AM Sunset: 04:35 PM |
Moonrise:11:11 AM Moonset: 11:27 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Patchy rain nearby |
4.7 ° C (40.5°F) |
8.2 ° C (46.8°F) |
6.5 ° C (43.7°F) |
% 78 | 81% | 2 | Sunrise:07:19 AM Sunset: 04:36 PM |
Moonrise:11:34 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
2.1 ° C (35.8°F) |
7.4 ° C (45.4°F) |
4.4 ° C (39.9°F) |
% 73 | 0% | 2 | Sunrise:07:19 AM Sunset: 04:37 PM |
Moonrise:11:57 AM Moonset: 12:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Partly Cloudy |
0.4 ° C (32.6°F) |
8.4 ° C (47.1°F) |
3.7 ° C (38.7°F) |
% 65 | 0% | 2 | Sunrise:07:19 AM Sunset: 04:37 PM |
Moonrise:12:24 PM Moonset: 01:49 AM Moon Phase ( Waxing Gibbous ) |
|
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