Sumner Weather Forecast 15 Days, Weather in Sumner Today
Current weather conditions and 15 day weather forecast for Sumner, 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 Sumner
| 23 December 2025 Tuesday 1.2 ° C / 34.2°F  Overcast |
Feels Like : -2.4 ° C / 27.7°F Humidity : % 86 Pressure : 1014 mb Wind Speed : 12.2 kmph / 7.6 miles from SSE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Sumner, IA, USA
Weather Forecast for next 15 Days for Sumner 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 Sumner, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 December 2025 Monday |  Partly Cloudy |
-2.2 ° C (28°F) |
4.7 ° C (40.5°F) |
1.1 ° C (34°F) |
% 78 | 0% | 0.3 | Sunrise:07:37 AM Sunset: 04:38 PM |
Moonrise:09:50 AM Moonset: 07:04 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Overcast |
-2.5 ° C (27.5°F) |
0.5 ° C (32.9°F) |
-0.1 ° C (31.8°F) |
% 94 | 0% | 0.3 | Sunrise:07:37 AM Sunset: 04:38 PM |
Moonrise:10:19 AM Moonset: 08:12 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Overcast |
-3.1 ° C (26.4°F) |
-1 ° C (30.2°F) |
-2.1 ° C (28.1°F) |
% 97 | 0% | 0.1 | Sunrise:07:38 AM Sunset: 04:39 PM |
Moonrise:10:43 AM Moonset: 09:21 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Overcast |
-1.5 ° C (29.3°F) |
-0.6 ° C (30.9°F) |
-0.9 ° C (30.3°F) |
% 94 | 0% | 0.3 | Sunrise:07:38 AM Sunset: 04:39 PM |
Moonrise:11:05 AM Moonset: 10:30 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Fog |
0.4 ° C (32.7°F) |
4.2 ° C (39.5°F) |
1.8 ° C (35.2°F) |
% 95 | 0% | 0.1 | Sunrise:07:38 AM Sunset: 04:40 PM |
Moonrise:11:25 AM Moonset: 11:40 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Fog |
-2.4 ° C (27.8°F) |
6.5 ° C (43.6°F) |
3 ° C (37.5°F) |
% 90 | 0% | 0 | Sunrise:07:39 AM Sunset: 04:41 PM |
Moonrise:11:45 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Sunny |
-8.2 ° C (17.3°F) |
-4.3 ° C (24.3°F) |
-5.6 ° C (21.9°F) |
% 49 | 0% | 2 | Sunrise:07:39 AM Sunset: 04:42 PM |
Moonrise:12:07 PM Moonset: 12:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-10.5 ° C (13.1°F) |
-6.1 ° C (21°F) |
-8.7 ° C (16.4°F) |
% 40 | 0% | 2 | Sunrise:07:39 AM Sunset: 04:42 PM |
Moonrise:12:32 PM Moonset: 02:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-9 ° C (15.8°F) |
-0.7 ° C (30.7°F) |
-5.3 ° C (22.5°F) |
% 47 | 0% | 2 | Sunrise:07:39 AM Sunset: 04:43 PM |
Moonrise:01:04 PM Moonset: 03:26 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-2.7 ° C (27.2°F) |
5.2 ° C (41.3°F) |
0.3 ° C (32.6°F) |
% 74 | 0% | 2 | Sunrise:07:39 AM Sunset: 04:44 PM |
Moonrise:01:45 PM Moonset: 04:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Sunny |
0.4 ° C (32.8°F) |
9.1 ° C (48.3°F) |
4 ° C (39.2°F) |
% 74 | 0% | 2 | Sunrise:07:40 AM Sunset: 04:45 PM |
Moonrise:02:38 PM Moonset: 06:08 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Overcast |
-5 ° C (22.9°F) |
2.5 ° C (36.5°F) |
0.2 ° C (32.4°F) |
% 83 | 0% | 1 | Sunrise:07:40 AM Sunset: 04:46 PM |
Moonrise:03:46 PM Moonset: 07:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
-9.9 ° C (14.2°F) |
-6.6 ° C (20.1°F) |
-8.2 ° C (17.2°F) |
% 49 | 0% | 2 | Sunrise:07:40 AM Sunset: 04:47 PM |
Moonrise:05:03 PM Moonset: 08:15 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Sunny |
-10.1 ° C (13.8°F) |
-2.3 ° C (27.9°F) |
-6.6 ° C (20.2°F) |
% 40 | 0% | 2 | Sunrise:07:40 AM Sunset: 04:48 PM |
Moonrise:06:23 PM Moonset: 08:59 AM Moon Phase ( Waning Gibbous ) |
|
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