Belleville Weather Forecast 15 Days, Weather in Belleville Today
Current weather conditions and 15 day weather forecast for Belleville, 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 Belleville
| 12 February 2026 Thursday -1.2 ° C / 29.8°F  Clear |
Feels Like : -3.3 ° C / 26.1°F Humidity : % 83 Pressure : 1026 mb Wind Speed : 5.8 kmph / 3.6 miles from E  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Belleville, IL, USA
Weather Forecast for next 15 Days for Belleville 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 Belleville, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 February 2026 Thursday |  Partly Cloudy |
-1.6 ° C (29.1°F) |
10.4 ° C (50.7°F) |
4.3 ° C (39.7°F) |
% 67 | 0% | 0.7 | Sunrise:06:54 AM Sunset: 05:35 PM |
Moonrise:03:51 AM Moonset: 12:44 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday |  Cloudy |
1.9 ° C (35.4°F) |
13.2 ° C (55.8°F) |
6.2 ° C (43.2°F) |
% 72 | 0% | 0.7 | Sunrise:06:53 AM Sunset: 05:36 PM |
Moonrise:04:40 AM Moonset: 01:41 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday |  Overcast |
1.3 ° C (34.3°F) |
10.1 ° C (50.2°F) |
5.4 ° C (41.7°F) |
% 82 | 0% | 0.1 | Sunrise:06:52 AM Sunset: 05:37 PM |
Moonrise:05:24 AM Moonset: 02:44 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Overcast |
6.6 ° C (43.9°F) |
14.6 ° C (58.2°F) |
9.7 ° C (49.5°F) |
% 85 | 0% | 0.6 | Sunrise:06:50 AM Sunset: 05:38 PM |
Moonrise:06:00 AM Moonset: 03:51 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Sunny |
4.3 ° C (39.7°F) |
15.3 ° C (59.5°F) |
7.9 ° C (46.2°F) |
% 78 | 0% | 0 | Sunrise:06:49 AM Sunset: 05:39 PM |
Moonrise:06:31 AM Moonset: 04:58 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Partly Cloudy |
7.1 ° C (44.8°F) |
16 ° C (60.9°F) |
11.6 ° C (53°F) |
% 79 | 0% | 4 | Sunrise:06:48 AM Sunset: 05:41 PM |
Moonrise:06:58 AM Moonset: 06:05 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Sunny |
11.7 ° C (53.1°F) |
18.4 ° C (65.2°F) |
15.3 ° C (59.5°F) |
% 56 | 0% | 5 | Sunrise:06:47 AM Sunset: 05:42 PM |
Moonrise:07:24 AM Moonset: 07:13 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Partly Cloudy |
6.5 ° C (43.6°F) |
14.6 ° C (58.3°F) |
10.3 ° C (50.5°F) |
% 68 | 0% | 4 | Sunrise:06:45 AM Sunset: 05:43 PM |
Moonrise:07:47 AM Moonset: 08:21 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday | Cloudy |
11 ° C (51.9°F) |
20.7 ° C (69.3°F) |
15.2 ° C (59.4°F) |
% 70 | 0% | 4 | Sunrise:06:44 AM Sunset: 05:44 PM |
Moonrise:08:11 AM Moonset: 09:31 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday |  Moderate rain |
2.1 ° C (35.8°F) |
11.1 ° C (52°F) |
7.6 ° C (45.6°F) |
% 89 | 88% | 2 | Sunrise:06:43 AM Sunset: 05:45 PM |
Moonrise:08:38 AM Moonset: 10:43 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday | Overcast |
0.6 ° C (33.2°F) |
5.5 ° C (41.9°F) |
2.3 ° C (36.2°F) |
% 74 | 0% | 1 | Sunrise:06:41 AM Sunset: 05:46 PM |
Moonrise:09:08 AM Moonset: 11:57 PM Moon Phase ( Waxing Crescent ) |
|
| 23 February 2026 Monday | Sunny |
-0.4 ° C (31.2°F) |
14.4 ° C (58°F) |
5.8 ° C (42.4°F) |
% 74 | 0% | 3 | Sunrise:06:40 AM Sunset: 05:47 PM |
Moonrise:09:45 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 24 February 2026 Tuesday | Partly Cloudy |
5.9 ° C (42.5°F) |
14.5 ° C (58°F) |
9.3 ° C (48.7°F) |
% 73 | 0% | 3 | Sunrise:06:39 AM Sunset: 05:48 PM |
Moonrise:10:29 AM Moonset: 01:12 AM Moon Phase ( First Quarter ) |
|
| 25 February 2026 Wednesday |  Patchy rain nearby |
4.3 ° C (39.7°F) |
12.3 ° C (54.1°F) |
6.6 ° C (43.9°F) |
% 80 | 83% | 2 | Sunrise:06:37 AM Sunset: 05:49 PM |
Moonrise:11:25 AM Moonset: 02:23 AM Moon Phase ( Waxing Gibbous ) |
|
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