Current weather conditions and 15 day weather forecast for Seymour, 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.
| 20 December 2025 Saturday 3.3 ° C / 37.9°F ![]() Overcast |
Feels Like : -1.1 ° C / 30.1°F Humidity : % 76 Pressure : 1016 mb Wind Speed : 19.8 kmph / 12.3 miles from W ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 December 2025 Saturday | Sunny |
-4.5 ° C (23.9°F) |
10.7 ° C (51.3°F) |
1.1 ° C (34°F) |
% 79 | 0% | 0.3 | Sunrise:07:11 AM Sunset: 04:30 PM |
Moonrise:08:03 AM Moonset: 04:49 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Partly Cloudy |
-5 ° C (23°F) |
-0.4 ° C (31.3°F) |
-3 ° C (26.5°F) |
% 71 | 0% | 0.3 | Sunrise:07:12 AM Sunset: 04:30 PM |
Moonrise:08:47 AM Moonset: 05:51 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Overcast |
-4.4 ° C (24.1°F) |
5.7 ° C (42.3°F) |
0.3 ° C (32.6°F) |
% 67 | 0% | 0.1 | Sunrise:07:12 AM Sunset: 04:31 PM |
Moonrise:09:25 AM Moonset: 06:56 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Fog |
2.4 ° C (36.4°F) |
9.1 ° C (48.3°F) |
5.4 ° C (41.7°F) |
% 94 | 0% | 0.4 | Sunrise:07:13 AM Sunset: 04:31 PM |
Moonrise:09:56 AM Moonset: 08:03 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Cloudy |
3.1 ° C (37.6°F) |
10.6 ° C (51°F) |
6 ° C (42.9°F) |
% 90 | 0% | 0 | Sunrise:07:13 AM Sunset: 04:32 PM |
Moonrise:10:22 AM Moonset: 09:09 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
14.6 ° C (58.2°F) |
17.2 ° C (63°F) |
16.4 ° C (61.5°F) |
% 87 | 88% | 4 | Sunrise:07:14 AM Sunset: 04:33 PM |
Moonrise:10:46 AM Moonset: 10:15 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Partly Cloudy |
9.1 ° C (48.3°F) |
13.6 ° C (56.5°F) |
11.7 ° C (53.1°F) |
% 63 | 0% | 4 | Sunrise:07:14 AM Sunset: 04:33 PM |
Moonrise:11:08 AM Moonset: 11:23 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Cloudy |
9.3 ° C (48.7°F) |
14 ° C (57.2°F) |
11.1 ° C (51.9°F) |
% 77 | 0% | 3 | Sunrise:07:14 AM Sunset: 04:34 PM |
Moonrise:11:31 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Partly Cloudy |
6 ° C (42.8°F) |
9.7 ° C (49.4°F) |
7.9 ° C (46.2°F) |
% 69 | 0% | 3 | Sunrise:07:15 AM Sunset: 04:35 PM |
Moonrise:11:55 AM Moonset: 12:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Partly Cloudy |
0.5 ° C (32.8°F) |
4.4 ° C (40°F) |
3.3 ° C (37.9°F) |
% 72 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:36 PM |
Moonrise:12:22 PM Moonset: 01:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Partly Cloudy |
-2.3 ° C (27.9°F) |
3.4 ° C (38.2°F) |
0.3 ° C (32.6°F) |
% 64 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:36 PM |
Moonrise:12:56 PM Moonset: 03:02 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-1.3 ° C (29.7°F) |
6.4 ° C (43.5°F) |
1.7 ° C (35.1°F) |
% 72 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:37 PM |
Moonrise:01:39 PM Moonset: 04:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Sunny |
0.3 ° C (32.6°F) |
10.2 ° C (50.3°F) |
4.6 ° C (40.3°F) |
% 71 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:38 PM |
Moonrise:02:34 PM Moonset: 05:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Partly Cloudy |
4.2 ° C (39.6°F) |
10.4 ° C (50.8°F) |
7.7 ° C (45.8°F) |
% 82 | 0% | 3 | Sunrise:07:15 AM Sunset: 04:39 PM |
Moonrise:03:42 PM Moonset: 06:50 AM Moon Phase ( Waxing Gibbous ) |
|