Union Weather Forecast 15 Days, Weather in Union Today
Current weather conditions and 15 day weather forecast for Union, 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 Union
| 06 February 2026 Friday 2.2 ° C / 36°F  Overcast |
Feels Like : -3.8 ° C / 25.2°F Humidity : % 82 Pressure : 1008 mb Wind Speed : 31.7 kmph / 19.7 miles from NW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Union, IL, USA
Weather Forecast for next 15 Days for Union 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 Union, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 06 February 2026 Friday |  Partly Cloudy |
-5.8 ° C (21.6°F) |
6 ° C (42.8°F) |
0.3 ° C (32.6°F) |
% 79 | 0% | 0.5 | Sunrise:06:54 AM Sunset: 05:19 PM |
Moonrise:10:42 PM Moonset: 09:07 AM Moon Phase ( Waning Gibbous ) |
|
| 07 February 2026 Saturday | Partly Cloudy |
-9.6 ° C (14.7°F) |
-2.1 ° C (28.2°F) |
-5.3 ° C (22.5°F) |
% 75 | 0% | 0.6 | Sunrise:06:53 AM Sunset: 05:20 PM |
Moonrise:11:45 PM Moonset: 09:30 AM Moon Phase ( Waning Gibbous ) |
|
| 08 February 2026 Sunday | Overcast |
-4.8 ° C (23.4°F) |
-1.4 ° C (29.5°F) |
-3.4 ° C (25.9°F) |
% 89 | 0% | 0.4 | Sunrise:06:52 AM Sunset: 05:21 PM |
Moonrise:No moonrise Moonset: 09:55 AM Moon Phase ( Waning Gibbous ) |
|
| 09 February 2026 Monday |  Freezing fog |
-2.4 ° C (27.7°F) |
11.2 ° C (52.1°F) |
1.6 ° C (34.9°F) |
% 89 | 0% | 0.6 | Sunrise:06:51 AM Sunset: 05:22 PM |
Moonrise:12:47 AM Moonset: 10:24 AM Moon Phase ( Last Quarter ) |
|
| 10 February 2026 Tuesday |  Patchy rain nearby |
3.9 ° C (39°F) |
14 ° C (57.3°F) |
9 ° C (48.2°F) |
% 85 | 62% | 0 | Sunrise:06:49 AM Sunset: 05:23 PM |
Moonrise:01:50 AM Moonset: 11:00 AM Moon Phase ( Waning Crescent ) |
|
| 11 February 2026 Wednesday | Overcast |
1.6 ° C (34.9°F) |
6 ° C (42.9°F) |
4.5 ° C (40.1°F) |
% 79 | 0% | 1 | Sunrise:06:48 AM Sunset: 05:25 PM |
Moonrise:02:49 AM Moonset: 11:42 AM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday | Partly Cloudy |
-2.4 ° C (27.7°F) |
6.7 ° C (44°F) |
0.4 ° C (32.8°F) |
% 66 | 0% | 2 | Sunrise:06:47 AM Sunset: 05:26 PM |
Moonrise:03:46 AM Moonset: 12:32 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday |  Sunny |
-4.3 ° C (24.3°F) |
4.3 ° C (39.7°F) |
-0.8 ° C (30.6°F) |
% 58 | 0% | 2 | Sunrise:06:46 AM Sunset: 05:27 PM |
Moonrise:04:35 AM Moonset: 01:30 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Sunny |
-1.7 ° C (29°F) |
8.6 ° C (47.4°F) |
2.7 ° C (36.8°F) |
% 58 | 0% | 2 | Sunrise:06:45 AM Sunset: 05:28 PM |
Moonrise:05:18 AM Moonset: 02:33 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Patchy rain nearby |
1.4 ° C (34.5°F) |
7 ° C (44.6°F) |
3.4 ° C (38.2°F) |
% 74 | 79% | 1 | Sunrise:06:43 AM Sunset: 05:29 PM |
Moonrise:05:54 AM Moonset: 03:40 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Patchy rain nearby |
3 ° C (37.4°F) |
4.5 ° C (40.1°F) |
3.7 ° C (38.6°F) |
% 95 | 86% | 1 | Sunrise:06:42 AM Sunset: 05:30 PM |
Moonrise:06:25 AM Moonset: 04:48 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Patchy rain nearby |
3 ° C (37.3°F) |
11.5 ° C (52.7°F) |
7.6 ° C (45.6°F) |
% 92 | 70% | 2 | Sunrise:06:41 AM Sunset: 05:32 PM |
Moonrise:06:51 AM Moonset: 05:56 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Patchy rain nearby |
3.6 ° C (38.5°F) |
6.9 ° C (44.5°F) |
6.4 ° C (43.5°F) |
% 84 | 0% | 2 | Sunrise:06:40 AM Sunset: 05:33 PM |
Moonrise:07:16 AM Moonset: 07:04 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Patchy rain nearby |
0.8 ° C (33.4°F) |
5.5 ° C (41.9°F) |
2.7 ° C (36.8°F) |
% 70 | 84% | 1 | Sunrise:06:38 AM Sunset: 05:34 PM |
Moonrise:07:39 AM Moonset: 08:13 PM Moon Phase ( Waxing Crescent ) |
|
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