South Otter Weather Forecast 15 Days, Weather in South Otter Today
Current weather conditions and 15 day weather forecast for South Otter, 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 South Otter
| 15 May 2026 Friday 12.2 ° C / 54°F  Overcast |
Feels Like : 9.9 ° C / 49.9°F Humidity : % 73 Pressure : 1014 mb Wind Speed : 22.7 kmph / 14.1 miles from SSE  Visibility : 16 km Precipitation (rainfall) : 0.7 mm Cloud (%) : 100 |
15 day weather forecast for South Otter, IL, USA
Weather Forecast for next 15 Days for South Otter 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 South Otter, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 May 2026 Friday |  Moderate rain |
11.1 ° C (52°F) |
28.6 ° C (83.5°F) |
18.8 ° C (65.9°F) |
% 68 | 83% | 7.4 | Sunrise:05:46 AM Sunset: 08:06 PM |
Moonrise:04:31 AM Moonset: 07:13 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday |  Patchy rain nearby |
18 ° C (64.4°F) |
27.5 ° C (81.4°F) |
22.5 ° C (72.5°F) |
% 79 | 85% | 5.4 | Sunrise:05:45 AM Sunset: 08:07 PM |
Moonrise:05:08 AM Moonset: 08:33 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday |  Sunny |
18.5 ° C (65.3°F) |
28.4 ° C (83.1°F) |
23.1 ° C (73.6°F) |
% 73 | 0% | 8.9 | Sunrise:05:44 AM Sunset: 08:08 PM |
Moonrise:05:55 AM Moonset: 09:51 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday |  Heavy rain |
19.3 ° C (66.8°F) |
28.9 ° C (84°F) |
23.4 ° C (74.1°F) |
% 77 | 89% | 8 | Sunrise:05:43 AM Sunset: 08:09 PM |
Moonrise:06:52 AM Moonset: 11:00 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
14 ° C (57.1°F) |
22.9 ° C (73.2°F) |
19.8 ° C (67.6°F) |
% 80 | 81% | 0.3 | Sunrise:05:42 AM Sunset: 08:10 PM |
Moonrise:08:01 AM Moonset: 11:57 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
12 ° C (53.6°F) |
19.6 ° C (67.3°F) |
15.8 ° C (60.4°F) |
% 77 | 88% | 4 | Sunrise:05:42 AM Sunset: 08:11 PM |
Moonrise:09:17 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Moderate rain |
16 ° C (60.7°F) |
19.7 ° C (67.5°F) |
17.9 ° C (64.3°F) |
% 92 | 87% | 4 | Sunrise:05:41 AM Sunset: 08:12 PM |
Moonrise:10:33 AM Moonset: 12:41 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday |  Partly Cloudy |
11.6 ° C (52.9°F) |
17.8 ° C (64.1°F) |
14.3 ° C (57.8°F) |
% 77 | 0% | 4 | Sunrise:05:40 AM Sunset: 08:12 PM |
Moonrise:11:46 AM Moonset: 01:15 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Sunny |
10.5 ° C (51°F) |
20.7 ° C (69.2°F) |
15.4 ° C (59.8°F) |
% 69 | 0% | 5 | Sunrise:05:40 AM Sunset: 08:13 PM |
Moonrise:12:55 PM Moonset: 01:44 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
8.6 ° C (47.5°F) |
20.2 ° C (68.3°F) |
14.3 ° C (57.7°F) |
% 69 | 0% | 4 | Sunrise:05:39 AM Sunset: 08:14 PM |
Moonrise:02:01 PM Moonset: 02:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Patchy rain nearby |
12.7 ° C (54.9°F) |
25 ° C (76.9°F) |
19.3 ° C (66.8°F) |
% 79 | 77% | 4 | Sunrise:05:38 AM Sunset: 08:15 PM |
Moonrise:03:04 PM Moonset: 02:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Moderate rain |
17.6 ° C (63.6°F) |
27.3 ° C (81.2°F) |
22.7 ° C (72.8°F) |
% 86 | 82% | 5 | Sunrise:05:38 AM Sunset: 08:16 PM |
Moonrise:04:06 PM Moonset: 02:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Sunny |
21.9 ° C (71.5°F) |
32 ° C (89.5°F) |
26.3 ° C (79.4°F) |
% 77 | 0% | 7 | Sunrise:05:37 AM Sunset: 08:17 PM |
Moonrise:05:09 PM Moonset: 03:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 May 2026 Thursday | Patchy rain nearby |
20.4 ° C (68.7°F) |
29.6 ° C (85.3°F) |
25.4 ° C (77.7°F) |
% 80 | 86% | 6 | Sunrise:05:37 AM Sunset: 08:17 PM |
Moonrise:06:11 PM Moonset: 03:38 AM Moon Phase ( Waxing Gibbous ) |
|
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