Mendon Weather Forecast 15 Days, Weather in Mendon Today
Current weather conditions and 15 day weather forecast for Mendon, 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 Mendon
| 20 September 2026 Sunday 25.6 ° C / 78.1°F  Patchy rain nearby |
Feels Like : 27 ° C / 80.6°F Humidity : % 70 Pressure : 1011 mb Wind Speed : 11.2 kmph / 6.9 miles from ENE  Visibility : 10 km Precipitation (rainfall) : 0.13 mm Cloud (%) : 100 |
15 day weather forecast for Mendon, IL, USA
Weather Forecast for next 15 Days for Mendon 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 Mendon, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 September 2026 Sunday | Patchy rain nearby |
17 ° C (62.7°F) |
26 ° C (78.8°F) |
21.6 ° C (70.9°F) |
% 87 | 88% | 4.8 | Sunrise:06:50 AM Sunset: 07:06 PM |
Moonrise:04:24 PM Moonset: 12:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday |  Overcast |
14.5 ° C (58.2°F) |
16.8 ° C (62.2°F) |
15.8 ° C (60.4°F) |
% 91 | 86% | 1.4 | Sunrise:06:51 AM Sunset: 07:04 PM |
Moonrise:04:55 PM Moonset: 01:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Overcast |
12.8 ° C (55°F) |
14.8 ° C (58.7°F) |
14 ° C (57.2°F) |
% 78 | 25% | 1.6 | Sunrise:06:52 AM Sunset: 07:02 PM |
Moonrise:05:21 PM Moonset: 02:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday |  Sunny |
10.1 ° C (50.3°F) |
21.5 ° C (70.8°F) |
15.4 ° C (59.8°F) |
% 69 | 6% | 6.3 | Sunrise:06:53 AM Sunset: 07:01 PM |
Moonrise:05:44 PM Moonset: 03:53 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday |  Mist |
12.2 ° C (53.9°F) |
21.8 ° C (71.2°F) |
16.7 ° C (62°F) |
% 77 | 16% | 6.3 | Sunrise:06:54 AM Sunset: 06:59 PM |
Moonrise:06:05 PM Moonset: 04:54 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Overcast |
13.9 ° C (57°F) |
22.1 ° C (71.7°F) |
17.3 ° C (63.1°F) |
% 66 | 13% | 5 | Sunrise:06:55 AM Sunset: 06:57 PM |
Moonrise:06:25 PM Moonset: 05:55 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
14.9 ° C (58.8°F) |
17.2 ° C (62.9°F) |
16.1 ° C (60.9°F) |
% 52 | 12% | 4 | Sunrise:06:56 AM Sunset: 06:56 PM |
Moonrise:06:46 PM Moonset: 06:57 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Sunny |
13.9 ° C (57°F) |
24 ° C (75.2°F) |
18 ° C (64.3°F) |
% 46 | 4% | 6 | Sunrise:06:57 AM Sunset: 06:54 PM |
Moonrise:07:08 PM Moonset: 08:00 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Sunny |
12.6 ° C (54.8°F) |
25.1 ° C (77.1°F) |
18.5 ° C (65.2°F) |
% 62 | 4% | 7 | Sunrise:06:58 AM Sunset: 06:52 PM |
Moonrise:07:34 PM Moonset: 09:05 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
14.6 ° C (58.4°F) |
28.1 ° C (82.6°F) |
20.7 ° C (69.2°F) |
% 60 | 10% | 6 | Sunrise:06:59 AM Sunset: 06:51 PM |
Moonrise:08:04 PM Moonset: 10:13 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Patchy rain nearby |
12.1 ° C (53.8°F) |
22.4 ° C (72.3°F) |
17.2 ° C (63°F) |
% 79 | 36% | 5 | Sunrise:07:00 AM Sunset: 06:49 PM |
Moonrise:08:42 PM Moonset: 11:23 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Patchy rain nearby |
8.2 ° C (46.8°F) |
12.5 ° C (54.4°F) |
10.4 ° C (50.7°F) |
% 64 | 36% | 4 | Sunrise:07:01 AM Sunset: 06:48 PM |
Moonrise:09:30 PM Moonset: 12:32 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Sunny |
4.9 ° C (40.8°F) |
16.7 ° C (62.1°F) |
10.5 ° C (50.8°F) |
% 58 | 3% | 5 | Sunrise:07:02 AM Sunset: 06:46 PM |
Moonrise:10:28 PM Moonset: 01:37 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Sunny |
7.2 ° C (44.9°F) |
22.1 ° C (71.7°F) |
13.7 ° C (56.7°F) |
% 55 | 5% | 6 | Sunrise:07:03 AM Sunset: 06:44 PM |
Moonrise:11:36 PM Moonset: 02:34 PM Moon Phase ( Last Quarter ) |
|
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