Hamilton Weather Forecast 15 Days, Weather in Hamilton Today
Current weather conditions and 15 day weather forecast for Hamilton, 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 Hamilton
| 25 December 2025 Thursday 3.9 ° C / 39°F  Mist |
Feels Like : 1 ° C / 33.8°F Humidity : % 100 Pressure : 1020 mb Wind Speed : 11.5 kmph / 7.2 miles from NE  Visibility : 6.4 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 0 |
15 day weather forecast for Hamilton, IL, USA
Weather Forecast for next 15 Days for Hamilton 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 Hamilton, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 25 December 2025 Thursday |  Patchy rain nearby |
1.3 ° C (34.3°F) |
6.8 ° C (44.2°F) |
4.9 ° C (40.8°F) |
% 91 | 89% | 0.3 | Sunrise:07:25 AM Sunset: 04:33 PM |
Moonrise:10:53 AM Moonset: 10:20 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Fog |
1.1 ° C (34°F) |
3.2 ° C (37.8°F) |
2 ° C (35.6°F) |
% 98 | 0% | 0.2 | Sunrise:07:25 AM Sunset: 04:34 PM |
Moonrise:11:15 AM Moonset: 11:30 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Fog |
0.8 ° C (33.4°F) |
3.5 ° C (38.3°F) |
2.4 ° C (36.3°F) |
% 97 | 0% | 0.2 | Sunrise:07:25 AM Sunset: 04:35 PM |
Moonrise:11:36 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Patchy rain nearby |
-7.2 ° C (19°F) |
6.7 ° C (44°F) |
2.2 ° C (35.9°F) |
% 84 | 60% | 0.1 | Sunrise:07:26 AM Sunset: 04:35 PM |
Moonrise:11:58 AM Moonset: 12:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Partly Cloudy |
-10.5 ° C (13°F) |
-5.5 ° C (22.2°F) |
-8.4 ° C (16.9°F) |
% 56 | 0% | 0 | Sunrise:07:26 AM Sunset: 04:36 PM |
Moonrise:12:24 PM Moonset: 01:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Partly Cloudy |
-8.8 ° C (16.2°F) |
1 ° C (33.8°F) |
-4.5 ° C (23.9°F) |
% 46 | 0% | 2 | Sunrise:07:26 AM Sunset: 04:37 PM |
Moonrise:12:57 PM Moonset: 03:13 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday |  Moderate or heavy snow showers |
-1.9 ° C (28.5°F) |
2.7 ° C (36.9°F) |
-0.1 ° C (31.8°F) |
% 73 | 67% | 1 | Sunrise:07:26 AM Sunset: 04:38 PM |
Moonrise:01:39 PM Moonset: 04:33 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Mist |
-8.8 ° C (16.1°F) |
-3.6 ° C (25.6°F) |
-4.4 ° C (24°F) |
% 86 | 80% | 1 | Sunrise:07:26 AM Sunset: 04:39 PM |
Moonrise:02:33 PM Moonset: 05:53 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday |  Sunny |
-10.7 ° C (12.8°F) |
-4.7 ° C (23.5°F) |
-8.1 ° C (17.5°F) |
% 77 | 0% | 2 | Sunrise:07:26 AM Sunset: 04:40 PM |
Moonrise:03:41 PM Moonset: 07:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday |  Light freezing rain |
-6.6 ° C (20.1°F) |
-0.2 ° C (31.7°F) |
-2.5 ° C (27.5°F) |
% 80 | 69% | 1 | Sunrise:07:26 AM Sunset: 04:41 PM |
Moonrise:04:57 PM Moonset: 08:01 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Patchy rain nearby |
1 ° C (33.8°F) |
2.1 ° C (35.8°F) |
1.7 ° C (35°F) |
% 100 | 87% | 1 | Sunrise:07:26 AM Sunset: 04:41 PM |
Moonrise:06:17 PM Moonset: 08:45 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Fog |
1.6 ° C (34.9°F) |
6.1 ° C (43°F) |
3.2 ° C (37.8°F) |
% 99 | 0% | 1 | Sunrise:07:26 AM Sunset: 04:42 PM |
Moonrise:07:34 PM Moonset: 09:19 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday |  Overcast |
-1.5 ° C (29.3°F) |
2.1 ° C (35.8°F) |
1.3 ° C (34.4°F) |
% 83 | 0% | 1 | Sunrise:07:26 AM Sunset: 04:43 PM |
Moonrise:08:47 PM Moonset: 09:47 AM Moon Phase ( Waning Gibbous ) |
|
| 07 January 2026 Wednesday | Sunny |
-2.9 ° C (26.7°F) |
2.8 ° C (37°F) |
-0.8 ° C (30.5°F) |
% 76 | 0% | 2 | Sunrise:07:26 AM Sunset: 04:44 PM |
Moonrise:09:55 PM Moonset: 10:09 AM Moon Phase ( Waning Gibbous ) |
|
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