Marietta-Alderwood Weather Forecast 15 Days, Weather in Marietta-Alderwood Today
Current weather conditions and 15 day weather forecast for Marietta-Alderwood, 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 Marietta-Alderwood
| 22 December 2025 Monday 6.7 ° C / 44.1°F  Overcast |
Feels Like : 3.5 ° C / 38.3°F Humidity : % 73 Pressure : 1008 mb Wind Speed : 17.6 kmph / 11 miles from SE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Marietta-Alderwood, WA, USA
Weather Forecast for next 15 Days for Marietta-Alderwood 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 Marietta-Alderwood, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 December 2025 Monday |  Moderate rain |
3.5 ° C (38.3°F) |
8.6 ° C (47.5°F) |
5.6 ° C (42°F) |
% 81 | 90% | 0 | Sunrise:08:01 AM Sunset: 04:16 PM |
Moonrise:10:18 AM Moonset: 06:48 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Moderate rain |
2.4 ° C (36.3°F) |
4.3 ° C (39.7°F) |
4 ° C (39.2°F) |
% 90 | 88% | 0.1 | Sunrise:08:01 AM Sunset: 04:17 PM |
Moonrise:10:41 AM Moonset: 08:03 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Patchy rain nearby |
-0.3 ° C (31.5°F) |
3.1 ° C (37.6°F) |
1.6 ° C (35°F) |
% 83 | 85% | 0 | Sunrise:08:02 AM Sunset: 04:18 PM |
Moonrise:10:59 AM Moonset: 09:18 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Moderate or heavy snow showers |
-0.7 ° C (30.7°F) |
0.9 ° C (33.5°F) |
0.2 ° C (32.4°F) |
% 86 | 62% | 0.1 | Sunrise:08:02 AM Sunset: 04:18 PM |
Moonrise:11:15 AM Moonset: 10:32 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Moderate or heavy snow showers |
-0.6 ° C (30.9°F) |
3.3 ° C (38°F) |
0.6 ° C (33°F) |
% 90 | 85% | 0 | Sunrise:08:02 AM Sunset: 04:19 PM |
Moonrise:11:30 AM Moonset: 11:48 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Sunny |
-0.9 ° C (30.3°F) |
5.7 ° C (42.3°F) |
1.5 ° C (34.6°F) |
% 86 | 0% | 2 | Sunrise:08:02 AM Sunset: 04:20 PM |
Moonrise:11:44 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Overcast |
0.1 ° C (32.2°F) |
6 ° C (42.8°F) |
3.7 ° C (38.6°F) |
% 85 | 0% | 1 | Sunrise:08:03 AM Sunset: 04:21 PM |
Moonrise:12:00 PM Moonset: 01:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Patchy rain nearby |
5.1 ° C (41.2°F) |
6.4 ° C (43.5°F) |
6 ° C (42.8°F) |
% 86 | 84% | 2 | Sunrise:08:03 AM Sunset: 04:21 PM |
Moonrise:12:20 PM Moonset: 02:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Patchy rain nearby |
5.8 ° C (42.4°F) |
6.4 ° C (43.6°F) |
6.7 ° C (44.1°F) |
% 94 | 88% | 2 | Sunrise:08:03 AM Sunset: 04:22 PM |
Moonrise:12:46 PM Moonset: 03:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Moderate rain |
1.4 ° C (34.6°F) |
4.7 ° C (40.4°F) |
4.1 ° C (39.4°F) |
% 85 | 86% | 1 | Sunrise:08:03 AM Sunset: 04:23 PM |
Moonrise:01:22 PM Moonset: 05:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Patchy rain nearby |
1.5 ° C (34.7°F) |
2.8 ° C (37.1°F) |
2.5 ° C (36.5°F) |
% 93 | 85% | 1 | Sunrise:08:03 AM Sunset: 04:24 PM |
Moonrise:02:12 PM Moonset: 06:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Patchy rain nearby |
2.7 ° C (36.8°F) |
4 ° C (39.2°F) |
3.3 ° C (38°F) |
% 92 | 79% | 1 | Sunrise:08:03 AM Sunset: 04:25 PM |
Moonrise:03:21 PM Moonset: 07:58 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Patchy rain nearby |
3.1 ° C (37.6°F) |
5.8 ° C (42.4°F) |
4.8 ° C (40.7°F) |
% 90 | 88% | 1 | Sunrise:08:03 AM Sunset: 04:26 PM |
Moonrise:04:43 PM Moonset: 08:50 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Moderate rain |
4.4 ° C (39.9°F) |
6.9 ° C (44.3°F) |
6 ° C (42.8°F) |
% 90 | 88% | 2 | Sunrise:08:02 AM Sunset: 04:27 PM |
Moonrise:06:10 PM Moonset: 09:27 AM Moon Phase ( Waning Gibbous ) |
|
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