Current weather conditions and 15 day weather forecast for Startup, 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.
| 15 December 2025 Monday 9.4 ° C / 48.9°F ![]() Light rain |
Feels Like : 9.2 ° C / 48.5°F Humidity : % 97 Pressure : 1011 mb Wind Speed : 4.7 kmph / 2.9 miles from SSE ![]() Visibility : 6.4 km Precipitation (rainfall) : 0.23 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 December 2025 Monday | Moderate rain |
7.8 ° C (46.1°F) |
15.4 ° C (59.7°F) |
12 ° C (53.6°F) |
% 85 | 90% | 0 | Sunrise:07:51 AM Sunset: 04:15 PM |
Moonrise:03:49 AM Moonset: 01:22 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Heavy rain |
8.3 ° C (46.9°F) |
10.6 ° C (51°F) |
9.5 ° C (49°F) |
% 91 | 89% | 0 | Sunrise:07:52 AM Sunset: 04:16 PM |
Moonrise:04:57 AM Moonset: 01:43 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Heavy rain |
4.2 ° C (39.6°F) |
6.5 ° C (43.7°F) |
6.5 ° C (43.6°F) |
% 88 | 89% | 0.1 | Sunrise:07:52 AM Sunset: 04:16 PM |
Moonrise:06:06 AM Moonset: 02:10 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Moderate rain |
2.7 ° C (36.8°F) |
8.3 ° C (46.9°F) |
5.5 ° C (41.9°F) |
% 94 | 72% | 0 | Sunrise:07:53 AM Sunset: 04:16 PM |
Moonrise:07:12 AM Moonset: 02:47 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Patchy rain nearby |
1.9 ° C (35.4°F) |
3.9 ° C (39.1°F) |
3.3 ° C (38°F) |
% 94 | 83% | 0 | Sunrise:07:54 AM Sunset: 04:17 PM |
Moonrise:08:11 AM Moonset: 03:34 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Patchy rain nearby |
3 ° C (37.3°F) |
5.2 ° C (41.3°F) |
3.9 ° C (39°F) |
% 93 | 89% | 1 | Sunrise:07:54 AM Sunset: 04:17 PM |
Moonrise:09:01 AM Moonset: 04:32 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Moderate rain |
1.6 ° C (34.9°F) |
7.2 ° C (45°F) |
4 ° C (39.1°F) |
% 91 | 87% | 1 | Sunrise:07:55 AM Sunset: 04:18 PM |
Moonrise:09:41 AM Moonset: 05:39 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Patchy rain nearby |
-0.2 ° C (31.7°F) |
5.4 ° C (41.7°F) |
3.2 ° C (37.7°F) |
% 91 | 79% | 1 | Sunrise:07:55 AM Sunset: 04:18 PM |
Moonrise:10:12 AM Moonset: 06:50 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Partly Cloudy |
-2.7 ° C (27.2°F) |
4.5 ° C (40°F) |
-0.4 ° C (31.4°F) |
% 88 | 0% | 2 | Sunrise:07:55 AM Sunset: 04:19 PM |
Moonrise:10:35 AM Moonset: 08:04 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy rain nearby |
-2.4 ° C (27.7°F) |
3.5 ° C (38.3°F) |
1.2 ° C (34.1°F) |
% 88 | 87% | 1 | Sunrise:07:56 AM Sunset: 04:19 PM |
Moonrise:10:55 AM Moonset: 09:17 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Fog |
0.7 ° C (33.3°F) |
5.5 ° C (41.8°F) |
3.1 ° C (37.5°F) |
% 96 | 0% | 1 | Sunrise:07:56 AM Sunset: 04:20 PM |
Moonrise:11:12 AM Moonset: 10:31 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Sunny |
-0.1 ° C (31.8°F) |
5.6 ° C (42°F) |
2.2 ° C (36°F) |
% 88 | 0% | 2 | Sunrise:07:56 AM Sunset: 04:21 PM |
Moonrise:11:27 AM Moonset: 11:46 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Moderate rain |
3.9 ° C (38.9°F) |
9.3 ° C (48.8°F) |
6.1 ° C (42.9°F) |
% 91 | 86% | 2 | Sunrise:07:57 AM Sunset: 04:22 PM |
Moonrise:11:43 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Patchy rain nearby |
4.4 ° C (39.9°F) |
7 ° C (44.6°F) |
5.4 ° C (41.7°F) |
% 90 | 81% | 2 | Sunrise:07:57 AM Sunset: 04:22 PM |
Moonrise:12:00 PM Moonset: 01:03 AM Moon Phase ( Waxing Gibbous ) |
|