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
| 15 May 2026 Friday 15.4 ° C / 59.7°F  Clear |
Feels Like : 15.4 ° C / 59.7°F Humidity : % 62 Pressure : 1012 mb Wind Speed : 21.2 kmph / 13.2 miles from S  Visibility : 16 km Precipitation (rainfall) : 0 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 May 2026 Friday |  Patchy rain nearby |
13.6 ° C (56.5°F) |
27.3 ° C (81.1°F) |
18.9 ° C (66°F) |
% 61 | 88% | 8 | Sunrise:05:39 AM Sunset: 08:11 PM |
Moonrise:04:26 AM Moonset: 07:18 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday |  Heavy rain |
17.8 ° C (64°F) |
28.3 ° C (83°F) |
22.5 ° C (72.5°F) |
% 79 | 87% | 7.8 | Sunrise:05:38 AM Sunset: 08:12 PM |
Moonrise:05:01 AM Moonset: 08:40 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Heavy rain |
17.9 ° C (64.2°F) |
27.2 ° C (80.9°F) |
22.2 ° C (72°F) |
% 80 | 84% | 8.7 | Sunrise:05:37 AM Sunset: 08:13 PM |
Moonrise:05:45 AM Moonset: 09:59 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday |  Moderate rain |
18.4 ° C (65.2°F) |
25.7 ° C (78.3°F) |
22.2 ° C (72°F) |
% 79 | 80% | 7.8 | Sunrise:05:36 AM Sunset: 08:14 PM |
Moonrise:06:42 AM Moonset: 11:08 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Moderate rain |
12.3 ° C (54.1°F) |
19 ° C (66.3°F) |
17.3 ° C (63.1°F) |
% 78 | 69% | 0.1 | Sunrise:05:36 AM Sunset: 08:15 PM |
Moonrise:07:51 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday |  Partly Cloudy |
10 ° C (49.9°F) |
19.6 ° C (67.2°F) |
14.5 ° C (58°F) |
% 62 | 0% | 4 | Sunrise:05:35 AM Sunset: 08:16 PM |
Moonrise:09:08 AM Moonset: 12:04 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
10.3 ° C (50.6°F) |
17.2 ° C (62.9°F) |
14.1 ° C (57.3°F) |
% 86 | 83% | 3 | Sunrise:05:34 AM Sunset: 08:17 PM |
Moonrise:10:25 AM Moonset: 12:46 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Partly Cloudy |
8 ° C (46.5°F) |
16.5 ° C (61.7°F) |
12.5 ° C (54.5°F) |
% 70 | 0% | 4 | Sunrise:05:33 AM Sunset: 08:18 PM |
Moonrise:11:41 AM Moonset: 01:19 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Sunny |
9.8 ° C (49.7°F) |
18.3 ° C (65°F) |
13.5 ° C (56.3°F) |
% 68 | 0% | 4 | Sunrise:05:32 AM Sunset: 08:18 PM |
Moonrise:12:52 PM Moonset: 01:46 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Partly Cloudy |
6.4 ° C (43.5°F) |
18.8 ° C (65.8°F) |
13.2 ° C (55.7°F) |
% 68 | 0% | 4 | Sunrise:05:32 AM Sunset: 08:19 PM |
Moonrise:01:59 PM Moonset: 02:08 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Partly Cloudy |
13 ° C (55.4°F) |
24.5 ° C (76.1°F) |
18.7 ° C (65.7°F) |
% 76 | 0% | 5 | Sunrise:05:31 AM Sunset: 08:20 PM |
Moonrise:03:04 PM Moonset: 02:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Patchy rain nearby |
19 ° C (66.2°F) |
27.3 ° C (81.2°F) |
22.5 ° C (72.5°F) |
% 84 | 88% | 5 | Sunrise:05:30 AM Sunset: 08:21 PM |
Moonrise:04:08 PM Moonset: 02:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Moderate rain |
21.6 ° C (70.9°F) |
27.2 ° C (81°F) |
24.5 ° C (76°F) |
% 86 | 81% | 5 | Sunrise:05:30 AM Sunset: 08:22 PM |
Moonrise:05:12 PM Moonset: 03:09 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 May 2026 Thursday | Patchy rain nearby |
19.4 ° C (67°F) |
26.5 ° C (79.8°F) |
23.9 ° C (75°F) |
% 86 | 74% | 5 | Sunrise:05:29 AM Sunset: 08:23 PM |
Moonrise:06:16 PM Moonset: 03:32 AM Moon Phase ( Waxing Gibbous ) |
|
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