Belgium Weather Forecast 15 Days, Weather in Belgium Today
Current weather conditions and 15 day weather forecast for Belgium, 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 Belgium
| 19 December 2025 Friday -3.8 ° C / 25.2°F  Partly Cloudy |
Feels Like : -10.5 ° C / 13.1°F Humidity : % 65 Pressure : 1017 mb Wind Speed : 23 kmph / 14.3 miles from WNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Belgium, IL, USA
Weather Forecast for next 15 Days for Belgium 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 Belgium, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 19 December 2025 Friday |  Light freezing rain |
-10.8 ° C (12.6°F) |
-4 ° C (24.8°F) |
-5.9 ° C (21.4°F) |
% 72 | 63% | 0.3 | Sunrise:07:09 AM Sunset: 04:27 PM |
Moonrise:07:10 AM Moonset: 03:51 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday |  Overcast |
-4.5 ° C (23.9°F) |
4.5 ° C (40.1°F) |
-0.3 ° C (31.5°F) |
% 84 | 0% | 0.3 | Sunrise:07:09 AM Sunset: 04:27 PM |
Moonrise:08:01 AM Moonset: 04:46 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Partly Cloudy |
-5.2 ° C (22.6°F) |
-0.6 ° C (30.9°F) |
-3.2 ° C (26.2°F) |
% 84 | 0% | 0.3 | Sunrise:07:10 AM Sunset: 04:28 PM |
Moonrise:08:45 AM Moonset: 05:48 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Moderate snow |
-4.3 ° C (24.3°F) |
2.3 ° C (36.1°F) |
-0.7 ° C (30.7°F) |
% 51 | 73% | 0.1 | Sunrise:07:10 AM Sunset: 04:28 PM |
Moonrise:09:23 AM Moonset: 06:53 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Patchy rain nearby |
1 ° C (33.8°F) |
5.5 ° C (41.9°F) |
3 ° C (37.3°F) |
% 90 | 75% | 0 | Sunrise:07:11 AM Sunset: 04:29 PM |
Moonrise:09:53 AM Moonset: 08:00 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy rain nearby |
5.8 ° C (42.5°F) |
13.5 ° C (56.3°F) |
9.9 ° C (49.7°F) |
% 98 | 86% | 2 | Sunrise:07:11 AM Sunset: 04:29 PM |
Moonrise:10:19 AM Moonset: 09:07 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
14.4 ° C (58°F) |
17.3 ° C (63.2°F) |
15.4 ° C (59.6°F) |
% 92 | 87% | 4 | Sunrise:07:11 AM Sunset: 04:30 PM |
Moonrise:10:43 AM Moonset: 10:13 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
1.6 ° C (34.9°F) |
8 ° C (46.5°F) |
7.1 ° C (44.7°F) |
% 80 | 80% | 2 | Sunrise:07:12 AM Sunset: 04:31 PM |
Moonrise:11:06 AM Moonset: 11:21 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Light freezing rain |
-1.2 ° C (29.9°F) |
2.6 ° C (36.7°F) |
0.2 ° C (32.4°F) |
% 68 | 89% | 1 | Sunrise:07:12 AM Sunset: 04:31 PM |
Moonrise:11:28 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Patchy rain nearby |
-1.2 ° C (29.8°F) |
1.9 ° C (35.3°F) |
1.1 ° C (33.9°F) |
% 79 | 88% | 1 | Sunrise:07:12 AM Sunset: 04:32 PM |
Moonrise:11:52 AM Moonset: 12:30 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Moderate rain |
5.9 ° C (42.7°F) |
13.7 ° C (56.7°F) |
11.4 ° C (52.5°F) |
% 93 | 88% | 3 | Sunrise:07:13 AM Sunset: 04:33 PM |
Moonrise:12:19 PM Moonset: 01:43 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Partly Cloudy |
0.7 ° C (33.3°F) |
6.8 ° C (44.2°F) |
3.7 ° C (38.6°F) |
% 71 | 0% | 2 | Sunrise:07:13 AM Sunset: 04:34 PM |
Moonrise:12:53 PM Moonset: 03:00 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Overcast |
-2.1 ° C (28.3°F) |
5.6 ° C (42°F) |
2.6 ° C (36.6°F) |
% 73 | 0% | 1 | Sunrise:07:13 AM Sunset: 04:34 PM |
Moonrise:01:37 PM Moonset: 04:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Partly Cloudy |
-5.8 ° C (21.6°F) |
-3 ° C (26.6°F) |
-4 ° C (24.8°F) |
% 61 | 0% | 2 | Sunrise:07:13 AM Sunset: 04:35 PM |
Moonrise:02:31 PM Moonset: 05:37 AM Moon Phase ( Waxing Gibbous ) |
|
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