Marissa Weather Forecast 15 Days, Weather in Marissa Today
Current weather conditions and 15 day weather forecast for Marissa, 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 Marissa
| 13 September 2026 Sunday 25 ° C / 77°F  Clear |
Feels Like : 26.4 ° C / 79.5°F Humidity : % 69 Pressure : 1013 mb Wind Speed : 9.4 kmph / 5.8 miles from SW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Marissa, IL, USA
Weather Forecast for next 15 Days for Marissa 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 Marissa, 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 September 2026 Saturday | Sunny |
20.3 ° C (68.5°F) |
34.4 ° C (93.9°F) |
27 ° C (80.7°F) |
% 70 | 17% | 7.5 | Sunrise:06:38 AM Sunset: 07:12 PM |
Moonrise:08:11 AM Moonset: 07:47 PM Moon Phase ( New Moon ) |
|
| 13 September 2026 Sunday | Sunny |
20.4 ° C (68.6°F) |
32.2 ° C (89.9°F) |
25.8 ° C (78.5°F) |
% 67 | 57% | 6.6 | Sunrise:06:39 AM Sunset: 07:10 PM |
Moonrise:09:23 AM Moonset: 08:15 PM Moon Phase ( Waxing Crescent ) |
|
| 14 September 2026 Monday |  Overcast |
16.6 ° C (61.9°F) |
30.7 ° C (87.3°F) |
23.3 ° C (74°F) |
% 57 | 17% | 5.5 | Sunrise:06:39 AM Sunset: 07:09 PM |
Moonrise:10:35 AM Moonset: 08:47 PM Moon Phase ( Waxing Crescent ) |
|
| 15 September 2026 Tuesday | Sunny |
22.7 ° C (72.8°F) |
37.9 ° C (100.2°F) |
28.8 ° C (83.8°F) |
% 60 | 36% | 7.5 | Sunrise:06:40 AM Sunset: 07:07 PM |
Moonrise:11:45 AM Moonset: 09:23 PM Moon Phase ( Waxing Crescent ) |
|
| 16 September 2026 Wednesday | Sunny |
23.4 ° C (74.1°F) |
36.6 ° C (97.8°F) |
28.6 ° C (83.5°F) |
% 66 | 57% | 7.3 | Sunrise:06:41 AM Sunset: 07:06 PM |
Moonrise:12:52 PM Moonset: 10:05 PM Moon Phase ( First Quarter ) |
|
| 17 September 2026 Thursday | Sunny |
24.4 ° C (75.8°F) |
36.7 ° C (98°F) |
29.5 ° C (85.2°F) |
% 55 | 17% | 9 | Sunrise:06:42 AM Sunset: 07:04 PM |
Moonrise:01:54 PM Moonset: 10:54 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday |  Light rain shower |
16 ° C (60.8°F) |
23.5 ° C (74.3°F) |
20.1 ° C (68.3°F) |
% 86 | 89% | 5 | Sunrise:06:43 AM Sunset: 07:02 PM |
Moonrise:02:48 PM Moonset: 11:49 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Sunny |
13 ° C (55.4°F) |
23.6 ° C (74.6°F) |
17.6 ° C (63.6°F) |
% 62 | 4% | 6 | Sunrise:06:44 AM Sunset: 07:01 PM |
Moonrise:03:34 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Sunny |
10.3 ° C (50.6°F) |
23.8 ° C (74.9°F) |
16.5 ° C (61.8°F) |
% 53 | 2% | 6 | Sunrise:06:45 AM Sunset: 06:59 PM |
Moonrise:04:12 PM Moonset: 12:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Sunny |
11.4 ° C (52.6°F) |
25.4 ° C (77.7°F) |
18 ° C (64.5°F) |
% 61 | 4% | 7 | Sunrise:06:46 AM Sunset: 06:58 PM |
Moonrise:04:44 PM Moonset: 01:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Sunny |
14.7 ° C (58.4°F) |
27.8 ° C (82°F) |
21.3 ° C (70.3°F) |
% 53 | 3% | 7 | Sunrise:06:46 AM Sunset: 06:56 PM |
Moonrise:05:11 PM Moonset: 02:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday |  Partly Cloudy |
18.5 ° C (65.3°F) |
29.9 ° C (85.7°F) |
23.8 ° C (74.8°F) |
% 46 | 3% | 7 | Sunrise:06:47 AM Sunset: 06:55 PM |
Moonrise:05:35 PM Moonset: 03:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Sunny |
18.4 ° C (65°F) |
30.3 ° C (86.6°F) |
23.9 ° C (75.1°F) |
% 43 | 3% | 7 | Sunrise:06:48 AM Sunset: 06:53 PM |
Moonrise:05:57 PM Moonset: 04:50 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
17.9 ° C (64.3°F) |
35.6 ° C (96.1°F) |
26.5 ° C (79.6°F) |
% 41 | 2% | 9 | Sunrise:06:49 AM Sunset: 06:51 PM |
Moonrise:06:19 PM Moonset: 05:49 AM Moon Phase ( Full Moon ) |
|
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