Harmon Weather Forecast 15 Days, Weather in Harmon Today
Current weather conditions and 15 day weather forecast for Harmon, 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 Harmon
| 07 May 2026 Thursday 3.9 ° C / 39°F  Clear |
Feels Like : 3.5 ° C / 38.3°F Humidity : % 67 Pressure : 1017 mb Wind Speed : 3.6 kmph / 2.2 miles from NNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Harmon, IL, USA
Weather Forecast for next 15 Days for Harmon 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 Harmon, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 07 May 2026 Thursday |  Patchy rain nearby |
1.1 ° C (34°F) |
15.1 ° C (59.2°F) |
8.7 ° C (47.6°F) |
% 66 | 90% | 6.2 | Sunrise:05:48 AM Sunset: 08:04 PM |
Moonrise:01:00 AM Moonset: 09:53 AM Moon Phase ( Waning Gibbous ) |
|
| 08 May 2026 Friday | Patchy rain nearby |
7.4 ° C (45.3°F) |
13.7 ° C (56.6°F) |
10.5 ° C (50.9°F) |
% 85 | 84% | 0.3 | Sunrise:05:47 AM Sunset: 08:05 PM |
Moonrise:01:35 AM Moonset: 10:58 AM Moon Phase ( Waning Gibbous ) |
|
| 09 May 2026 Saturday |  Partly Cloudy |
8.3 ° C (46.9°F) |
23.5 ° C (74.3°F) |
14.5 ° C (58°F) |
% 71 | 0% | 4 | Sunrise:05:45 AM Sunset: 08:06 PM |
Moonrise:02:03 AM Moonset: 12:04 PM Moon Phase ( Last Quarter ) |
|
| 10 May 2026 Sunday | Sunny |
5.7 ° C (42.3°F) |
14.7 ° C (58.4°F) |
10.4 ° C (50.7°F) |
% 58 | 0% | 4 | Sunrise:05:44 AM Sunset: 08:07 PM |
Moonrise:02:28 AM Moonset: 01:11 PM Moon Phase ( Waning Crescent ) |
|
| 11 May 2026 Monday | Sunny |
4.2 ° C (39.5°F) |
15.7 ° C (60.2°F) |
8.8 ° C (47.9°F) |
% 60 | 0% | 3 | Sunrise:05:43 AM Sunset: 08:08 PM |
Moonrise:02:51 AM Moonset: 02:18 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday |  Moderate rain |
8 ° C (46.4°F) |
16.3 ° C (61.3°F) |
11.7 ° C (53°F) |
% 76 | 89% | 3 | Sunrise:05:42 AM Sunset: 08:09 PM |
Moonrise:03:12 AM Moonset: 03:28 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Sunny |
11.2 ° C (52.2°F) |
19.7 ° C (67.4°F) |
15.2 ° C (59.4°F) |
% 71 | 0% | 5 | Sunrise:05:41 AM Sunset: 08:10 PM |
Moonrise:03:34 AM Moonset: 04:41 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday |  Cloudy |
7.4 ° C (45.3°F) |
14 ° C (57.3°F) |
11.1 ° C (52°F) |
% 73 | 0% | 3 | Sunrise:05:40 AM Sunset: 08:11 PM |
Moonrise:03:58 AM Moonset: 05:58 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Sunny |
7.7 ° C (45.8°F) |
21.9 ° C (71.5°F) |
14.9 ° C (58.8°F) |
% 65 | 0% | 4 | Sunrise:05:39 AM Sunset: 08:12 PM |
Moonrise:04:25 AM Moonset: 07:19 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Partly Cloudy |
13.6 ° C (56.5°F) |
28.1 ° C (82.6°F) |
21.1 ° C (70°F) |
% 69 | 0% | 6 | Sunrise:05:38 AM Sunset: 08:13 PM |
Moonrise:05:00 AM Moonset: 08:41 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Partly Cloudy |
19.1 ° C (66.4°F) |
30 ° C (86°F) |
24.2 ° C (75.5°F) |
% 73 | 0% | 6 | Sunrise:05:37 AM Sunset: 08:14 PM |
Moonrise:05:45 AM Moonset: 10:01 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Moderate rain |
19.1 ° C (66.3°F) |
25.1 ° C (77.2°F) |
21.7 ° C (71.1°F) |
% 83 | 89% | 5 | Sunrise:05:36 AM Sunset: 08:15 PM |
Moonrise:06:41 AM Moonset: 11:10 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Partly Cloudy |
17.4 ° C (63.2°F) |
25 ° C (77.1°F) |
21 ° C (69.9°F) |
% 76 | 0% | 6 | Sunrise:05:35 AM Sunset: 08:16 PM |
Moonrise:07:51 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Moderate rain |
16.7 ° C (62.1°F) |
24.8 ° C (76.6°F) |
20.8 ° C (69.5°F) |
% 81 | 89% | 5 | Sunrise:05:34 AM Sunset: 08:17 PM |
Moonrise:09:08 AM Moonset: 12:05 AM Moon Phase ( Waxing Crescent ) |
|
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