Winthrop Weather Forecast 15 Days, Weather in Winthrop Today
Current weather conditions and 15 day weather forecast for Winthrop, 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 Winthrop
| 17 December 2025 Wednesday 7.2 ° C / 45°F  Patchy rain nearby |
Feels Like : 6.7 ° C / 44°F Humidity : % 76 Pressure : 1005 mb Wind Speed : 4.7 kmph / 2.9 miles from S  Visibility : 16 km Precipitation (rainfall) : 1.01 mm Cloud (%) : 0 |
15 day weather forecast for Winthrop, WA, USA
Weather Forecast for next 15 Days for Winthrop 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 Winthrop, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 16 December 2025 Tuesday |  Moderate rain |
3 ° C (37.4°F) |
4.3 ° C (39.7°F) |
3.9 ° C (39°F) |
% 78 | 88% | 0.1 | Sunrise:07:47 AM Sunset: 04:06 PM |
Moonrise:04:52 AM Moonset: 01:33 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Moderate or heavy snow showers |
-12 ° C (10.4°F) |
2.1 ° C (35.8°F) |
-2.9 ° C (26.8°F) |
% 80 | 88% | 0.1 | Sunrise:07:48 AM Sunset: 04:06 PM |
Moonrise:06:02 AM Moonset: 02:00 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Moderate snow |
-10 ° C (14°F) |
-3.2 ° C (26.2°F) |
-6.9 ° C (19.5°F) |
% 93 | 84% | 0.1 | Sunrise:07:49 AM Sunset: 04:07 PM |
Moonrise:07:08 AM Moonset: 02:36 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Moderate or heavy snow showers |
-10.7 ° C (12.7°F) |
1.3 ° C (34.3°F) |
-3.6 ° C (25.4°F) |
% 82 | 82% | 0.1 | Sunrise:07:49 AM Sunset: 04:07 PM |
Moonrise:08:08 AM Moonset: 03:23 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Moderate snow |
-15.7 ° C (3.8°F) |
-0.6 ° C (31°F) |
-10 ° C (13.9°F) |
% 92 | 79% | 0.1 | Sunrise:07:50 AM Sunset: 04:08 PM |
Moonrise:08:58 AM Moonset: 04:20 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Heavy snow |
-14.7 ° C (5.5°F) |
-1.2 ° C (29.9°F) |
-9.6 ° C (14.7°F) |
% 96 | 61% | 0 | Sunrise:07:50 AM Sunset: 04:08 PM |
Moonrise:09:38 AM Moonset: 05:28 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Patchy light snow |
-11.9 ° C (10.6°F) |
-0.1 ° C (31.8°F) |
-7.8 ° C (18°F) |
% 95 | 85% | 1 | Sunrise:07:51 AM Sunset: 04:09 PM |
Moonrise:10:07 AM Moonset: 06:40 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Moderate snow |
-13.4 ° C (7.9°F) |
0.5 ° C (33°F) |
-6.1 ° C (21.1°F) |
% 95 | 60% | 1 | Sunrise:07:51 AM Sunset: 04:09 PM |
Moonrise:10:30 AM Moonset: 07:54 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Partly Cloudy |
-18 ° C (-0.5°F) |
-6.8 ° C (19.8°F) |
-12.3 ° C (9.9°F) |
% 90 | 0% | 2 | Sunrise:07:52 AM Sunset: 04:10 PM |
Moonrise:10:49 AM Moonset: 09:09 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Heavy snow |
-15.6 ° C (4°F) |
-1.8 ° C (28.7°F) |
-7.9 ° C (17.7°F) |
% 96 | 77% | 1 | Sunrise:07:52 AM Sunset: 04:10 PM |
Moonrise:11:05 AM Moonset: 10:23 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Heavy snow |
-12.2 ° C (10°F) |
-1.2 ° C (29.9°F) |
-7.7 ° C (18.1°F) |
% 95 | 62% | 1 | Sunrise:07:52 AM Sunset: 04:11 PM |
Moonrise:11:20 AM Moonset: 11:39 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Heavy snow |
-12.4 ° C (9.7°F) |
-0.4 ° C (31.2°F) |
-5.8 ° C (21.5°F) |
% 97 | 76% | 1 | Sunrise:07:52 AM Sunset: 04:12 PM |
Moonrise:11:35 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Moderate rain |
-1.2 ° C (29.9°F) |
3 ° C (37.4°F) |
1.5 ° C (34.7°F) |
% 100 | 76% | 1 | Sunrise:07:53 AM Sunset: 04:13 PM |
Moonrise:11:52 AM Moonset: 12:56 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Light freezing rain |
-15.1 ° C (4.7°F) |
2.6 ° C (36.7°F) |
-4 ° C (24.8°F) |
% 93 | 82% | 1 | Sunrise:07:53 AM Sunset: 04:14 PM |
Moonrise:12:11 PM Moonset: 02:18 AM Moon Phase ( Waxing Gibbous ) |
|
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