Ottumwa Weather Forecast 15 Days, Weather in Ottumwa Today
Current weather conditions and 15 day weather forecast for Ottumwa, Iowa, 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 Ottumwa
| 14 May 2026 Thursday 10.4 ° C / 50.7°F  Clear |
Feels Like : 8.9 ° C / 48.1°F Humidity : % 58 Pressure : 1018 mb Wind Speed : 11.2 kmph / 6.9 miles from SSE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Ottumwa, IA, USA
Weather Forecast for next 15 Days for Ottumwa 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 Ottumwa, Iowa 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 May 2026 Thursday |  Patchy rain nearby |
9.3 ° C (48.7°F) |
28 ° C (82.4°F) |
17.6 ° C (63.6°F) |
% 49 | 70% | 8.1 | Sunrise:05:53 AM Sunset: 08:20 PM |
Moonrise:04:10 AM Moonset: 06:08 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Patchy rain nearby |
12.7 ° C (54.9°F) |
26.2 ° C (79.2°F) |
19.7 ° C (67.4°F) |
% 80 | 90% | 0.2 | Sunrise:05:52 AM Sunset: 08:21 PM |
Moonrise:04:38 AM Moonset: 07:29 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday |  Moderate rain |
17.1 ° C (62.7°F) |
28.6 ° C (83.6°F) |
22.5 ° C (72.6°F) |
% 81 | 87% | 5 | Sunrise:05:51 AM Sunset: 08:22 PM |
Moonrise:05:14 AM Moonset: 08:51 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Moderate rain |
16.3 ° C (61.3°F) |
28.1 ° C (82.5°F) |
21.9 ° C (71.4°F) |
% 83 | 87% | 5 | Sunrise:05:50 AM Sunset: 08:23 PM |
Moonrise:05:59 AM Moonset: 10:09 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Moderate rain |
20.6 ° C (69.1°F) |
29 ° C (84.2°F) |
23.7 ° C (74.6°F) |
% 78 | 87% | 5 | Sunrise:05:49 AM Sunset: 08:24 PM |
Moonrise:06:56 AM Moonset: 11:19 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday |  Overcast |
10 ° C (49.9°F) |
15.2 ° C (59.4°F) |
13.2 ° C (55.8°F) |
% 71 | 0% | 3 | Sunrise:05:48 AM Sunset: 08:25 PM |
Moonrise:08:05 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Sunny |
8.7 ° C (47.7°F) |
21.2 ° C (70.1°F) |
15.2 ° C (59.3°F) |
% 65 | 0% | 5 | Sunrise:05:47 AM Sunset: 08:26 PM |
Moonrise:09:22 AM Moonset: 12:14 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
11.6 ° C (52.8°F) |
19.4 ° C (66.9°F) |
15.9 ° C (60.5°F) |
% 61 | 0% | 5 | Sunrise:05:47 AM Sunset: 08:27 PM |
Moonrise:10:39 AM Moonset: 12:57 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Moderate rain |
8.8 ° C (47.9°F) |
23 ° C (73.4°F) |
16.4 ° C (61.5°F) |
% 74 | 76% | 4 | Sunrise:05:46 AM Sunset: 08:28 PM |
Moonrise:11:54 AM Moonset: 01:30 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
18.3 ° C (64.9°F) |
26.6 ° C (79.9°F) |
22.6 ° C (72.7°F) |
% 83 | 78% | 5 | Sunrise:05:45 AM Sunset: 08:29 PM |
Moonrise:01:04 PM Moonset: 01:57 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Moderate rain |
15.3 ° C (59.6°F) |
26.5 ° C (79.6°F) |
21.9 ° C (71.5°F) |
% 86 | 86% | 5 | Sunrise:05:44 AM Sunset: 08:29 PM |
Moonrise:02:11 PM Moonset: 02:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Patchy rain nearby |
11 ° C (51.9°F) |
15.9 ° C (60.7°F) |
13.4 ° C (56.2°F) |
% 86 | 0% | 3 | Sunrise:05:44 AM Sunset: 08:30 PM |
Moonrise:03:16 PM Moonset: 02:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday |  Partly Cloudy |
8.1 ° C (46.6°F) |
16.6 ° C (62°F) |
12.6 ° C (54.7°F) |
% 77 | 0% | 4 | Sunrise:05:43 AM Sunset: 08:31 PM |
Moonrise:04:19 PM Moonset: 03:01 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Sunny |
7.4 ° C (45.3°F) |
19.8 ° C (67.7°F) |
13.7 ° C (56.7°F) |
% 71 | 0% | 4 | Sunrise:05:42 AM Sunset: 08:32 PM |
Moonrise:05:23 PM Moonset: 03:22 AM Moon Phase ( Waxing Gibbous ) |
|
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