Monticello Weather Forecast 15 Days, Weather in Monticello Today
Current weather conditions and 15 day weather forecast for Monticello, 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 Monticello
| 29 October 2026 Thursday 19.3 ° C / 66.8°F  Sunny |
Feels Like : 16.4 ° C / 61.5°F Humidity : % 56 Pressure : 1021 mb Wind Speed : 15.8 kmph / 9.8 miles from SW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 3 |
15 day weather forecast for Monticello, IL, USA
Weather Forecast for next 15 Days for Monticello 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 Monticello, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 29 October 2026 Thursday | Sunny |
14.2 ° C (57.6°F) |
25.3 ° C (77.5°F) |
18.5 ° C (65.2°F) |
% 61 | 17% | 3.5 | Sunrise:07:20 AM Sunset: 05:55 PM |
Moonrise:08:12 PM Moonset: 11:18 AM Moon Phase ( Waning Gibbous ) |
|
| 30 October 2026 Friday |  Overcast |
9.6 ° C (49.3°F) |
21.6 ° C (70.9°F) |
15.1 ° C (59.3°F) |
% 49 | 17% | 2.9 | Sunrise:07:21 AM Sunset: 05:54 PM |
Moonrise:09:17 PM Moonset: 12:18 PM Moon Phase ( Waning Gibbous ) |
|
| 31 October 2026 Saturday | Overcast |
11.7 ° C (53°F) |
17.4 ° C (63.3°F) |
14.6 ° C (58.2°F) |
% 53 | 71% | 1.7 | Sunrise:07:22 AM Sunset: 05:53 PM |
Moonrise:10:30 PM Moonset: 01:08 PM Moon Phase ( Last Quarter ) |
|
| 01 November 2026 Sunday | Overcast |
13.5 ° C (56.3°F) |
16.7 ° C (62.1°F) |
14.8 ° C (58.6°F) |
% 77 | 74% | 0.3 | Sunrise:06:23 AM Sunset: 04:52 PM |
Moonrise:10:45 PM Moonset: 12:49 PM Moon Phase ( Last Quarter ) |
|
| 02 November 2026 Monday | Overcast |
12.9 ° C (55.2°F) |
16.7 ° C (62.1°F) |
14.8 ° C (58.6°F) |
% 89 | 65% | 4 | Sunrise:06:24 AM Sunset: 04:50 PM |
Moonrise:Does not rise today Moonset: 01:22 PM Moon Phase ( Last Quarter ) |
|
| 03 November 2026 Tuesday | Overcast |
16.1 ° C (61.1°F) |
23 ° C (73.3°F) |
19 ° C (66.3°F) |
% 74 | 21% | 5 | Sunrise:06:25 AM Sunset: 04:49 PM |
Moonrise:12:00 AM Moonset: 01:51 PM Moon Phase ( Waning Crescent ) |
|
| 04 November 2026 Wednesday |  Light rain shower |
16.3 ° C (61.3°F) |
21.4 ° C (70.6°F) |
18.4 ° C (65.2°F) |
% 81 | 87% | 5 | Sunrise:06:26 AM Sunset: 04:48 PM |
Moonrise:01:13 AM Moonset: 02:16 PM Moon Phase ( Waning Crescent ) |
|
| 05 November 2026 Thursday |  Patchy rain nearby |
8.9 ° C (48°F) |
16 ° C (60.8°F) |
13.2 ° C (55.7°F) |
% 86 | 87% | 4 | Sunrise:06:28 AM Sunset: 04:47 PM |
Moonrise:02:25 AM Moonset: 02:41 PM Moon Phase ( Waning Crescent ) |
|
| 06 November 2026 Friday | Patchy rain nearby |
4.8 ° C (40.6°F) |
8.5 ° C (47.3°F) |
6.8 ° C (44.2°F) |
% 85 | 80% | 2 | Sunrise:06:29 AM Sunset: 04:46 PM |
Moonrise:03:37 AM Moonset: 03:06 PM Moon Phase ( Waning Crescent ) |
|
| 07 November 2026 Saturday |  Partly Cloudy |
3.6 ° C (38.5°F) |
8.3 ° C (47°F) |
6 ° C (42.8°F) |
% 74 | 36% | 3 | Sunrise:06:30 AM Sunset: 04:45 PM |
Moonrise:04:49 AM Moonset: 03:33 PM Moon Phase ( New Moon ) |
|
| 08 November 2026 Sunday | Partly Cloudy |
4.1 ° C (39.4°F) |
11.4 ° C (52.5°F) |
7.8 ° C (46.1°F) |
% 67 | 10% | 4 | Sunrise:06:31 AM Sunset: 04:44 PM |
Moonrise:06:01 AM Moonset: 04:03 PM Moon Phase ( New Moon ) |
|
| 09 November 2026 Monday | Patchy rain nearby |
6.9 ° C (44.4°F) |
10 ° C (50°F) |
8.3 ° C (46.9°F) |
% 77 | 72% | 2 | Sunrise:06:32 AM Sunset: 04:43 PM |
Moonrise:07:13 AM Moonset: 04:40 PM Moon Phase ( New Moon ) |
|
| 10 November 2026 Tuesday | Patchy rain nearby |
5.4 ° C (41.7°F) |
10.4 ° C (50.8°F) |
7.7 ° C (45.9°F) |
% 76 | 36% | 4 | Sunrise:06:33 AM Sunset: 04:42 PM |
Moonrise:08:22 AM Moonset: 05:23 PM Moon Phase ( New Moon ) |
|
| 11 November 2026 Wednesday | Partly Cloudy |
4.7 ° C (40.4°F) |
13.4 ° C (56.1°F) |
8.7 ° C (47.6°F) |
% 77 | 13% | 4 | Sunrise:06:34 AM Sunset: 04:41 PM |
Moonrise:09:25 AM Moonset: 06:14 PM Moon Phase ( Waxing Crescent ) |
|
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