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.
| 21 August 2026 Friday 23.1 ° C / 73.6°F ![]() Clear |
Feels Like : 24.2 ° C / 75.6°F Humidity : % 76 Pressure : 1017 mb Wind Speed : 10.1 kmph / 6.3 miles from SE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 August 2026 Thursday | Sunny |
17.7 ° C (63.9°F) |
29.2 ° C (84.6°F) |
23.4 ° C (74.1°F) |
% 75 | 7% | 7.5 | Sunrise:06:24 AM Sunset: 08:01 PM |
Moonrise:03:27 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
19.3 ° C (66.7°F) |
28.3 ° C (82.9°F) |
24.1 ° C (75.4°F) |
% 75 | 7% | 7.2 | Sunrise:06:25 AM Sunset: 08:00 PM |
Moonrise:04:25 PM Moonset: 12:10 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Sunny |
19.5 ° C (67.2°F) |
27.1 ° C (80.8°F) |
23.1 ° C (73.6°F) |
% 70 | 6% | 7.5 | Sunrise:06:26 AM Sunset: 07:58 PM |
Moonrise:05:15 PM Moonset: 01:00 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Overcast |
16.6 ° C (61.8°F) |
25.1 ° C (77.2°F) |
21.1 ° C (69.9°F) |
% 68 | 10% | 7.2 | Sunrise:06:27 AM Sunset: 07:57 PM |
Moonrise:05:57 PM Moonset: 01:57 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Sunny |
17.6 ° C (63.7°F) |
24.2 ° C (75.6°F) |
20.2 ° C (68.3°F) |
% 76 | 17% | 5.9 | Sunrise:06:28 AM Sunset: 07:55 PM |
Moonrise:06:31 PM Moonset: 02:58 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 August 2026 Tuesday | Partly Cloudy |
17.4 ° C (63.3°F) |
27.1 ° C (80.8°F) |
21.8 ° C (71.2°F) |
% 80 | 57% | 7 | Sunrise:06:29 AM Sunset: 07:53 PM |
Moonrise:06:59 PM Moonset: 04:01 AM Moon Phase ( Full Moon ) |
|
| 26 August 2026 Wednesday | Mist |
20.1 ° C (68.1°F) |
27.2 ° C (81°F) |
23.1 ° C (73.6°F) |
% 81 | 72% | 7 | Sunrise:06:30 AM Sunset: 07:52 PM |
Moonrise:07:23 PM Moonset: 05:03 AM Moon Phase ( Full Moon ) |
|
| 27 August 2026 Thursday | Sunny |
17.9 ° C (64.2°F) |
27.1 ° C (80.7°F) |
22.6 ° C (72.6°F) |
% 67 | 6% | 7 | Sunrise:06:31 AM Sunset: 07:50 PM |
Moonrise:07:45 PM Moonset: 06:06 AM Moon Phase ( Full Moon ) |
|
| 28 August 2026 Friday | Sunny |
20.3 ° C (68.6°F) |
28.2 ° C (82.7°F) |
23.5 ° C (74.4°F) |
% 72 | 9% | 7 | Sunrise:06:32 AM Sunset: 07:49 PM |
Moonrise:08:04 PM Moonset: 07:07 AM Moon Phase ( Full Moon ) |
|
| 29 August 2026 Saturday | Partly Cloudy |
18.7 ° C (65.7°F) |
22.5 ° C (72.5°F) |
20.6 ° C (69.1°F) |
% 85 | 84% | 6 | Sunrise:06:33 AM Sunset: 07:47 PM |
Moonrise:08:24 PM Moonset: 08:09 AM Moon Phase ( Waning Gibbous ) |
|
| 30 August 2026 Sunday | Overcast |
20.1 ° C (68.1°F) |
27.9 ° C (82.2°F) |
23.7 ° C (74.7°F) |
% 85 | 77% | 7 | Sunrise:06:34 AM Sunset: 07:46 PM |
Moonrise:08:44 PM Moonset: 09:11 AM Moon Phase ( Waning Gibbous ) |
|
| 31 August 2026 Monday | Patchy rain nearby |
21 ° C (69.8°F) |
28.4 ° C (83.1°F) |
24.1 ° C (75.5°F) |
% 84 | 52% | 7 | Sunrise:06:35 AM Sunset: 07:44 PM |
Moonrise:09:06 PM Moonset: 10:14 AM Moon Phase ( Waning Gibbous ) |
|
| 01 September 2026 Tuesday | Cloudy |
15 ° C (59.1°F) |
22.1 ° C (71.9°F) |
18.8 ° C (65.9°F) |
% 79 | 14% | 6 | Sunrise:06:36 AM Sunset: 07:42 PM |
Moonrise:09:32 PM Moonset: 11:21 AM Moon Phase ( Waning Gibbous ) |
|
| 02 September 2026 Wednesday | Overcast |
16.6 ° C (61.9°F) |
26.7 ° C (80.1°F) |
21.5 ° C (70.7°F) |
% 83 | 34% | 6 | Sunrise:06:37 AM Sunset: 07:41 PM |
Moonrise:10:03 PM Moonset: 12:30 PM Moon Phase ( Last Quarter ) |
|