Monmouth Weather Forecast 15 Days, Weather in Monmouth Today
Current weather conditions and 15 day weather forecast for Monmouth, 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 Monmouth
| 15 April 2026 Wednesday 23.2 ° C / 73.8°F  Clear |
Feels Like : 25.1 ° C / 77.2°F Humidity : % 82 Pressure : 1008 mb Wind Speed : 30.2 kmph / 18.8 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Monmouth, IL, USA
Weather Forecast for next 15 Days for Monmouth 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 Monmouth, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 April 2026 Tuesday | Sunny |
17.7 ° C (63.9°F) |
29.3 ° C (84.7°F) |
22.7 ° C (72.8°F) |
% 73 | 0% | 1.1 | Sunrise:06:25 AM Sunset: 07:42 PM |
Moonrise:04:53 AM Moonset: 04:43 PM Moon Phase ( Waning Crescent ) |
|
| 15 April 2026 Wednesday |  Moderate rain |
17.4 ° C (63.3°F) |
26.5 ° C (79.7°F) |
21.5 ° C (70.8°F) |
% 81 | 85% | 1.2 | Sunrise:06:23 AM Sunset: 07:43 PM |
Moonrise:05:16 AM Moonset: 05:56 PM Moon Phase ( Waning Crescent ) |
|
| 16 April 2026 Thursday |  Partly Cloudy |
15 ° C (59°F) |
25.8 ° C (78.4°F) |
19.8 ° C (67.6°F) |
% 71 | 0% | 1.7 | Sunrise:06:22 AM Sunset: 07:44 PM |
Moonrise:05:39 AM Moonset: 07:11 PM Moon Phase ( Waning Crescent ) |
|
| 17 April 2026 Friday | Partly Cloudy |
13.4 ° C (56.1°F) |
29.6 ° C (85.3°F) |
20.8 ° C (69.4°F) |
% 77 | 0% | 1.8 | Sunrise:06:20 AM Sunset: 07:45 PM |
Moonrise:06:05 AM Moonset: 08:29 PM Moon Phase ( New Moon ) |
|
| 18 April 2026 Saturday |  Heavy rain |
5.9 ° C (42.6°F) |
18.6 ° C (65.4°F) |
12 ° C (53.5°F) |
% 69 | 83% | 1.7 | Sunrise:06:19 AM Sunset: 07:46 PM |
Moonrise:06:37 AM Moonset: 09:50 PM Moon Phase ( Waxing Crescent ) |
|
| 19 April 2026 Sunday | Sunny |
2.5 ° C (36.4°F) |
8.9 ° C (48.1°F) |
4.8 ° C (40.7°F) |
% 57 | 0% | 0 | Sunrise:06:17 AM Sunset: 07:47 PM |
Moonrise:07:16 AM Moonset: 11:10 PM Moon Phase ( Waxing Crescent ) |
|
| 20 April 2026 Monday | Sunny |
2.9 ° C (37.2°F) |
17.8 ° C (64°F) |
10.3 ° C (50.5°F) |
% 58 | 0% | 4 | Sunrise:06:16 AM Sunset: 07:48 PM |
Moonrise:08:05 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 April 2026 Tuesday |  Patchy rain nearby |
11.5 ° C (52.8°F) |
19 ° C (66.2°F) |
14.8 ° C (58.6°F) |
% 66 | 0% | 3 | Sunrise:06:14 AM Sunset: 07:49 PM |
Moonrise:09:06 AM Moonset: 12:23 AM Moon Phase ( Waxing Crescent ) |
|
| 22 April 2026 Wednesday | Sunny |
7.8 ° C (46°F) |
19.5 ° C (67.1°F) |
13.6 ° C (56.5°F) |
% 56 | 0% | 4 | Sunrise:06:13 AM Sunset: 07:50 PM |
Moonrise:10:16 AM Moonset: 01:24 AM Moon Phase ( Waxing Crescent ) |
|
| 23 April 2026 Thursday | Patchy rain nearby |
13.9 ° C (57.1°F) |
22.9 ° C (73.2°F) |
18.1 ° C (64.6°F) |
% 77 | 87% | 4 | Sunrise:06:11 AM Sunset: 07:51 PM |
Moonrise:11:31 AM Moonset: 02:13 AM Moon Phase ( Waxing Crescent ) |
|
| 24 April 2026 Friday | Heavy rain |
2.8 ° C (37.1°F) |
13.3 ° C (55.9°F) |
9.6 ° C (49.2°F) |
% 90 | 86% | 2 | Sunrise:06:10 AM Sunset: 07:52 PM |
Moonrise:12:45 PM Moonset: 02:50 AM Moon Phase ( First Quarter ) |
|
| 25 April 2026 Saturday | Patchy rain nearby |
1.8 ° C (35.2°F) |
9.1 ° C (48.4°F) |
5.5 ° C (41.8°F) |
% 71 | 82% | 2 | Sunrise:06:09 AM Sunset: 07:53 PM |
Moonrise:01:57 PM Moonset: 03:20 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 April 2026 Sunday | Patchy rain nearby |
2.6 ° C (36.7°F) |
3.6 ° C (38.5°F) |
3.6 ° C (38.4°F) |
% 94 | 82% | 1 | Sunrise:06:07 AM Sunset: 07:54 PM |
Moonrise:03:05 PM Moonset: 03:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 April 2026 Monday | Sunny |
2 ° C (35.6°F) |
15.3 ° C (59.5°F) |
8.7 ° C (47.6°F) |
% 72 | 0% | 3 | Sunrise:06:06 AM Sunset: 07:55 PM |
Moonrise:04:10 PM Moonset: 04:07 AM Moon Phase ( Waxing Gibbous ) |
|
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