Current weather conditions and 15 day weather forecast for Lake Union Heliport, 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.
| 14 December 2025 Sunday 11.1 ° C / 52°F ![]() Overcast |
Feels Like : 9.7 ° C / 49.5°F Humidity : % 86 Pressure : 1018 mb Wind Speed : 11.5 kmph / 7.2 miles from SSW ![]() Visibility : 16 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 December 2025 Sunday | Patchy rain nearby |
7.2 ° C (45°F) |
11.2 ° C (52.2°F) |
9.4 ° C (48.9°F) |
% 86 | 82% | 0.1 | Sunrise:07:51 AM Sunset: 04:18 PM |
Moonrise:02:42 AM Moonset: 01:06 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Patchy rain nearby |
8.7 ° C (47.7°F) |
13.7 ° C (56.7°F) |
11.9 ° C (53.4°F) |
% 83 | 85% | 0 | Sunrise:07:51 AM Sunset: 04:18 PM |
Moonrise:03:50 AM Moonset: 01:24 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Heavy rain |
8.5 ° C (47.3°F) |
11.6 ° C (52.9°F) |
10 ° C (50°F) |
% 89 | 75% | 0 | Sunrise:07:52 AM Sunset: 04:18 PM |
Moonrise:04:58 AM Moonset: 01:46 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Patchy rain nearby |
5.2 ° C (41.3°F) |
7 ° C (44.6°F) |
6.5 ° C (43.7°F) |
% 80 | 87% | 0.1 | Sunrise:07:53 AM Sunset: 04:19 PM |
Moonrise:06:06 AM Moonset: 02:13 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Moderate rain |
3.7 ° C (38.6°F) |
5.6 ° C (42.1°F) |
5.6 ° C (42.2°F) |
% 88 | 63% | 0 | Sunrise:07:53 AM Sunset: 04:19 PM |
Moonrise:07:12 AM Moonset: 02:50 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Patchy rain nearby |
3.4 ° C (38.1°F) |
6.4 ° C (43.5°F) |
4.3 ° C (39.7°F) |
% 84 | 89% | 1 | Sunrise:07:54 AM Sunset: 04:19 PM |
Moonrise:08:11 AM Moonset: 03:37 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Patchy rain nearby |
3.8 ° C (38.9°F) |
4.9 ° C (40.9°F) |
4.4 ° C (40°F) |
% 92 | 85% | 1 | Sunrise:07:55 AM Sunset: 04:20 PM |
Moonrise:09:02 AM Moonset: 04:35 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Patchy rain nearby |
1.5 ° C (34.6°F) |
4.5 ° C (40.1°F) |
3.8 ° C (38.8°F) |
% 88 | 83% | 1 | Sunrise:07:55 AM Sunset: 04:20 PM |
Moonrise:09:42 AM Moonset: 05:42 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Light freezing rain |
0.1 ° C (32.3°F) |
2.3 ° C (36.1°F) |
1 ° C (33.8°F) |
% 91 | 88% | 1 | Sunrise:07:56 AM Sunset: 04:21 PM |
Moonrise:10:12 AM Moonset: 06:53 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Light sleet |
0.4 ° C (32.8°F) |
1.4 ° C (34.4°F) |
1 ° C (33.8°F) |
% 95 | 84% | 1 | Sunrise:07:56 AM Sunset: 04:21 PM |
Moonrise:10:36 AM Moonset: 08:06 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Moderate or heavy snow in area with thunder |
-3.7 ° C (25.3°F) |
-1.4 ° C (29.4°F) |
-2 ° C (28.3°F) |
% 96 | 75% | 1 | Sunrise:07:56 AM Sunset: 04:22 PM |
Moonrise:10:56 AM Moonset: 09:20 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Light snow |
-8.5 ° C (16.6°F) |
-3.7 ° C (25.3°F) |
-5.4 ° C (22.2°F) |
% 93 | 70% | 1 | Sunrise:07:57 AM Sunset: 04:23 PM |
Moonrise:11:13 AM Moonset: 10:33 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Light snow |
-12.7 ° C (9.2°F) |
-5.7 ° C (21.8°F) |
-8.2 ° C (17.3°F) |
% 93 | 81% | 1 | Sunrise:07:57 AM Sunset: 04:23 PM |
Moonrise:11:29 AM Moonset: 11:48 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Freezing fog |
-13.3 ° C (8.1°F) |
-2.5 ° C (27.5°F) |
-6.5 ° C (20.2°F) |
% 94 | 87% | 1 | Sunrise:07:57 AM Sunset: 04:24 PM |
Moonrise:11:45 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|