Marseilles Weather Forecast 15 Days, Weather in Marseilles Today
Current weather conditions and 15 day weather forecast for Marseilles, 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 Marseilles
| 13 May 2026 Wednesday 18.1 ° C / 64.6°F  Light rain |
Feels Like : 18.1 ° C / 64.6°F Humidity : % 68 Pressure : 1010 mb Wind Speed : 24.8 kmph / 15.4 miles from WSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Marseilles, IL, USA
Weather Forecast for next 15 Days for Marseilles 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 Marseilles, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 May 2026 Tuesday |  Patchy rain nearby |
6.3 ° C (43.3°F) |
28.2 ° C (82.8°F) |
17 ° C (62.6°F) |
% 47 | 78% | 5.2 | Sunrise:05:40 AM Sunset: 08:04 PM |
Moonrise:03:08 AM Moonset: 03:24 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday |  Partly Cloudy |
7.4 ° C (45.4°F) |
13.9 ° C (57°F) |
11.9 ° C (53.4°F) |
% 67 | 0% | 7.3 | Sunrise:05:38 AM Sunset: 08:05 PM |
Moonrise:03:31 AM Moonset: 04:36 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday |  Sunny |
5.5 ° C (41.9°F) |
19.5 ° C (67.1°F) |
12.7 ° C (54.9°F) |
% 59 | 0% | 7.7 | Sunrise:05:37 AM Sunset: 08:06 PM |
Moonrise:03:55 AM Moonset: 05:53 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Patchy rain nearby |
13 ° C (55.4°F) |
25.1 ° C (77.2°F) |
18.1 ° C (64.6°F) |
% 70 | 86% | 0.2 | Sunrise:05:36 AM Sunset: 08:07 PM |
Moonrise:04:23 AM Moonset: 07:13 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Patchy rain nearby |
15.9 ° C (60.7°F) |
29.2 ° C (84.6°F) |
22.6 ° C (72.6°F) |
% 51 | 83% | 5 | Sunrise:05:36 AM Sunset: 08:08 PM |
Moonrise:04:58 AM Moonset: 08:35 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Patchy rain nearby |
16.4 ° C (61.6°F) |
27.1 ° C (80.7°F) |
20.1 ° C (68.2°F) |
% 73 | 78% | 5 | Sunrise:05:35 AM Sunset: 08:09 PM |
Moonrise:05:43 AM Moonset: 09:55 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
20.5 ° C (68.9°F) |
28.6 ° C (83.5°F) |
24.3 ° C (75.7°F) |
% 72 | 86% | 5 | Sunrise:05:34 AM Sunset: 08:10 PM |
Moonrise:06:39 AM Moonset: 11:04 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday |  Moderate rain |
15.9 ° C (60.7°F) |
22.5 ° C (72.4°F) |
20.7 ° C (69.2°F) |
% 83 | 78% | 5 | Sunrise:05:33 AM Sunset: 08:11 PM |
Moonrise:07:49 AM Moonset: 11:59 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Sunny |
12.8 ° C (55°F) |
25.1 ° C (77.2°F) |
18.8 ° C (65.8°F) |
% 64 | 0% | 5 | Sunrise:05:32 AM Sunset: 08:12 PM |
Moonrise:09:05 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Moderate rain |
14.9 ° C (58.8°F) |
25 ° C (77°F) |
18.5 ° C (65.4°F) |
% 80 | 83% | 4 | Sunrise:05:31 AM Sunset: 08:13 PM |
Moonrise:10:23 AM Moonset: 12:42 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday |  Overcast |
7.6 ° C (45.7°F) |
19.1 ° C (66.4°F) |
13 ° C (55.3°F) |
% 66 | 0% | 3 | Sunrise:05:30 AM Sunset: 08:13 PM |
Moonrise:11:38 AM Moonset: 01:15 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
10.7 ° C (51.3°F) |
23.5 ° C (74.3°F) |
18 ° C (64.4°F) |
% 68 | 73% | 4 | Sunrise:05:30 AM Sunset: 08:14 PM |
Moonrise:12:48 PM Moonset: 01:42 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
13.1 ° C (55.6°F) |
25.4 ° C (77.7°F) |
19 ° C (66.2°F) |
% 67 | 0% | 5 | Sunrise:05:29 AM Sunset: 08:15 PM |
Moonrise:01:56 PM Moonset: 02:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Patchy rain nearby |
16.8 ° C (62.2°F) |
29.9 ° C (85.7°F) |
22.8 ° C (73°F) |
% 74 | 78% | 5 | Sunrise:05:28 AM Sunset: 08:16 PM |
Moonrise:03:00 PM Moonset: 02:25 AM Moon Phase ( Waxing Gibbous ) |
|
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