Sumner Weather Forecast 15 Days, Weather in Sumner Today
Current weather conditions and 15 day weather forecast for Sumner, Wisconsin, 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
| 26 December 2025 Friday -1.5 ° C / 29.3°F  Mist |
Feels Like : -7.2 ° C / 19°F Humidity : % 89 Pressure : 1010 mb Wind Speed : 20.5 kmph / 12.8 miles from SE  Visibility : 8 km Precipitation (rainfall) : 0.04 mm Cloud (%) : 100 |
15 day weather forecast for Sumner, WI, 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, Wisconsin 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 25 December 2025 Thursday |  Cloudy |
-4.5 ° C (23.9°F) |
-0.8 ° C (30.6°F) |
-2.9 ° C (26.8°F) |
% 86 | 0% | 0.2 | Sunrise:07:45 AM Sunset: 04:27 PM |
Moonrise:11:05 AM Moonset: 10:25 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Moderate snow |
-2 ° C (28.4°F) |
0.5 ° C (32.9°F) |
-0.8 ° C (30.6°F) |
% 95 | 66% | 0.1 | Sunrise:07:45 AM Sunset: 04:28 PM |
Moonrise:11:23 AM Moonset: 11:37 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Overcast |
-2 ° C (28.4°F) |
-0.8 ° C (30.6°F) |
-1.3 ° C (29.7°F) |
% 97 | 0% | 0.2 | Sunrise:07:45 AM Sunset: 04:29 PM |
Moonrise:11:41 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Fog |
-8.5 ° C (16.7°F) |
0.3 ° C (32.5°F) |
-1.8 ° C (28.8°F) |
% 93 | 81% | 0.1 | Sunrise:07:45 AM Sunset: 04:30 PM |
Moonrise:12:00 PM Moonset: 12:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Patchy moderate snow |
-13.8 ° C (7.2°F) |
-10.1 ° C (13.7°F) |
-11.9 ° C (10.6°F) |
% 81 | 87% | 0.2 | Sunrise:07:45 AM Sunset: 04:30 PM |
Moonrise:12:23 PM Moonset: 02:09 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Light freezing rain |
-12.5 ° C (9.5°F) |
-2.3 ° C (27.8°F) |
-9.2 ° C (15.5°F) |
% 88 | 87% | 0 | Sunrise:07:46 AM Sunset: 04:31 PM |
Moonrise:12:52 PM Moonset: 03:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Moderate snow |
-11.8 ° C (10.7°F) |
-10 ° C (13.9°F) |
-10 ° C (14°F) |
% 86 | 76% | 1 | Sunrise:07:46 AM Sunset: 04:32 PM |
Moonrise:01:31 PM Moonset: 04:56 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Light snow |
-14.6 ° C (5.7°F) |
-7.8 ° C (18°F) |
-10.2 ° C (13.6°F) |
% 90 | 84% | 1 | Sunrise:07:46 AM Sunset: 04:33 PM |
Moonrise:02:22 PM Moonset: 06:17 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday |  Partly Cloudy |
-21.3 ° C (-6.4°F) |
-13.9 ° C (7.1°F) |
-18.3 ° C (-0.9°F) |
% 87 | 0% | 2 | Sunrise:07:46 AM Sunset: 04:34 PM |
Moonrise:03:30 PM Moonset: 07:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Patchy moderate snow |
-20.1 ° C (-4.1°F) |
-9.7 ° C (14.5°F) |
-13.4 ° C (7.9°F) |
% 89 | 74% | 1 | Sunrise:07:46 AM Sunset: 04:35 PM |
Moonrise:04:48 PM Moonset: 08:24 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Partly Cloudy |
-7.3 ° C (18.8°F) |
0.7 ° C (33.3°F) |
-3.6 ° C (25.5°F) |
% 88 | 0% | 2 | Sunrise:07:46 AM Sunset: 04:36 PM |
Moonrise:06:11 PM Moonset: 09:06 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Cloudy |
-6.3 ° C (20.6°F) |
-0.2 ° C (31.7°F) |
-3.9 ° C (25°F) |
% 94 | 0% | 1 | Sunrise:07:46 AM Sunset: 04:37 PM |
Moonrise:07:33 PM Moonset: 09:37 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday |  Freezing fog |
-6.6 ° C (20.2°F) |
-0.1 ° C (31.7°F) |
-3.1 ° C (26.5°F) |
% 99 | 0% | 1 | Sunrise:07:45 AM Sunset: 04:38 PM |
Moonrise:08:49 PM Moonset: 10:00 AM Moon Phase ( Waning Gibbous ) |
|
| 07 January 2026 Wednesday | Light freezing rain |
-9.7 ° C (14.5°F) |
-6.8 ° C (19.8°F) |
-6.6 ° C (20.2°F) |
% 90 | 0% | 1 | Sunrise:07:45 AM Sunset: 04:39 PM |
Moonrise:10:01 PM Moonset: 10:19 AM Moon Phase ( Waning Gibbous ) |
|
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