Sumner Weather Forecast 15 Days, Weather in Sumner Today
Current weather conditions and 15 day weather forecast for Sumner, Washington, 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
| 18 December 2025 Thursday 7.4 ° C / 45.3°F  Overcast |
Feels Like : 5.4 ° C / 41.8°F Humidity : % 81 Pressure : 1018 mb Wind Speed : 10.4 kmph / 6.5 miles from S  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Sumner, WA, 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, Washington 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 December 2025 Wednesday |  Moderate rain |
3.6 ° C (38.5°F) |
10.2 ° C (50.4°F) |
6.6 ° C (43.8°F) |
% 82 | 89% | 0.1 | Sunrise:07:51 AM Sunset: 04:20 PM |
Moonrise:06:04 AM Moonset: 02:15 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Patchy rain nearby |
4.9 ° C (40.8°F) |
9.3 ° C (48.7°F) |
6.6 ° C (44°F) |
% 83 | 85% | 0 | Sunrise:07:51 AM Sunset: 04:20 PM |
Moonrise:07:09 AM Moonset: 02:52 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Patchy rain nearby |
3.2 ° C (37.7°F) |
4.3 ° C (39.7°F) |
4 ° C (39.3°F) |
% 86 | 78% | 0.1 | Sunrise:07:52 AM Sunset: 04:20 PM |
Moonrise:08:08 AM Moonset: 03:39 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday |  Heavy rain |
1.7 ° C (35.1°F) |
5.9 ° C (42.6°F) |
3.7 ° C (38.6°F) |
% 90 | 88% | 0.1 | Sunrise:07:52 AM Sunset: 04:21 PM |
Moonrise:08:58 AM Moonset: 04:36 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Moderate rain |
0.8 ° C (33.5°F) |
5.1 ° C (41.3°F) |
3 ° C (37.5°F) |
% 88 | 84% | 0 | Sunrise:07:53 AM Sunset: 04:21 PM |
Moonrise:09:39 AM Moonset: 05:43 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Patchy rain nearby |
3 ° C (37.4°F) |
4.6 ° C (40.3°F) |
3.9 ° C (39°F) |
% 92 | 88% | 0 | Sunrise:07:53 AM Sunset: 04:22 PM |
Moonrise:10:10 AM Moonset: 06:54 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Patchy rain nearby |
1.8 ° C (35.2°F) |
4.5 ° C (40°F) |
3.1 ° C (37.5°F) |
% 88 | 89% | 1 | Sunrise:07:54 AM Sunset: 04:22 PM |
Moonrise:10:34 AM Moonset: 08:06 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Partly Cloudy |
1.3 ° C (34.3°F) |
5.3 ° C (41.6°F) |
2.4 ° C (36.3°F) |
% 86 | 0% | 2 | Sunrise:07:54 AM Sunset: 04:23 PM |
Moonrise:10:54 AM Moonset: 09:20 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
-0.2 ° C (31.6°F) |
2.5 ° C (36.5°F) |
1.5 ° C (34.6°F) |
% 91 | 84% | 1 | Sunrise:07:54 AM Sunset: 04:24 PM |
Moonrise:11:12 AM Moonset: 10:32 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Partly Cloudy |
-1.4 ° C (29.5°F) |
4.5 ° C (40.1°F) |
1.6 ° C (34.8°F) |
% 86 | 0% | 2 | Sunrise:07:55 AM Sunset: 04:24 PM |
Moonrise:11:28 AM Moonset: 11:47 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Sunny |
-1.9 ° C (28.7°F) |
5.3 ° C (41.5°F) |
1 ° C (33.8°F) |
% 79 | 0% | 2 | Sunrise:07:55 AM Sunset: 04:25 PM |
Moonrise:11:44 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Moderate rain |
2.2 ° C (36°F) |
6.7 ° C (44°F) |
3.7 ° C (38.6°F) |
% 86 | 84% | 1 | Sunrise:07:55 AM Sunset: 04:26 PM |
Moonrise:12:02 PM Moonset: 01:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Patchy rain nearby |
1.6 ° C (34.9°F) |
6.2 ° C (43.2°F) |
3.2 ° C (37.8°F) |
% 86 | 89% | 1 | Sunrise:07:55 AM Sunset: 04:27 PM |
Moonrise:12:23 PM Moonset: 02:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Patchy rain nearby |
0.7 ° C (33.3°F) |
4.4 ° C (39.9°F) |
2.5 ° C (36.4°F) |
% 83 | 82% | 1 | Sunrise:07:55 AM Sunset: 04:28 PM |
Moonrise:12:51 PM Moonset: 03:48 AM Moon Phase ( Waxing Gibbous ) |
|
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