Boundary Substation Heliport Weather Forecast 15 Days, Weather in Today
Current weather conditions and 15 day weather forecast for Boundary Substation 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.
Current weather conditions at Boundary Substation Heliport
| 14 December 2025 Sunday 5.1 ° C / 41.2°F  Overcast |
Feels Like : 4.2 ° C / 39.5°F Humidity : % 93 Pressure : 1016 mb Wind Speed : 5 kmph / 3.1 miles from SE  Visibility : 13 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Boundary Substation Heliport, WA, USA
Weather Forecast for next 15 Days for Boundary Substation Heliport 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 Boundary Substation Heliport, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 December 2025 Sunday |  Partly Cloudy |
-4.5 ° C (23.9°F) |
9.3 ° C (48.7°F) |
4.1 ° C (39.3°F) |
% 67 | 0% | 0.1 | Sunrise:07:36 AM Sunset: 03:53 PM |
Moonrise:02:23 AM Moonset: 12:43 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday |  Heavy rain |
-0.6 ° C (30.9°F) |
3 ° C (37.4°F) |
1.5 ° C (34.7°F) |
% 98 | 89% | 0 | Sunrise:07:36 AM Sunset: 03:53 PM |
Moonrise:03:32 AM Moonset: 12:59 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday |  Mist |
-2.6 ° C (27.3°F) |
3.2 ° C (37.8°F) |
0.1 ° C (32.3°F) |
% 97 | 73% | 0.1 | Sunrise:07:37 AM Sunset: 03:53 PM |
Moonrise:04:42 AM Moonset: 01:20 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Moderate or heavy snow showers |
-7.8 ° C (17.9°F) |
2.1 ° C (35.8°F) |
-0.7 ° C (30.7°F) |
% 83 | 71% | 0.1 | Sunrise:07:38 AM Sunset: 03:54 PM |
Moonrise:05:51 AM Moonset: 01:47 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Heavy snow |
-7.8 ° C (17.9°F) |
0.7 ° C (33.2°F) |
-3.5 ° C (25.8°F) |
% 96 | 77% | 0 | Sunrise:07:39 AM Sunset: 03:54 PM |
Moonrise:06:58 AM Moonset: 02:22 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Freezing fog |
-11.6 ° C (11.2°F) |
-2 ° C (28.5°F) |
-7.8 ° C (18°F) |
% 97 | 86% | 1 | Sunrise:07:39 AM Sunset: 03:54 PM |
Moonrise:07:58 AM Moonset: 03:08 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Heavy snow |
-10.6 ° C (13°F) |
-1.3 ° C (29.7°F) |
-6 ° C (21.3°F) |
% 97 | 66% | 1 | Sunrise:07:40 AM Sunset: 03:55 PM |
Moonrise:08:48 AM Moonset: 04:06 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Heavy snow |
-4.9 ° C (23.2°F) |
-0.1 ° C (31.7°F) |
-3.1 ° C (26.4°F) |
% 98 | 63% | 1 | Sunrise:07:40 AM Sunset: 03:55 PM |
Moonrise:09:27 AM Moonset: 05:14 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Light snow showers |
-22.4 ° C (-8.3°F) |
-5.2 ° C (22.6°F) |
-10.8 ° C (12.6°F) |
% 91 | 77% | 1 | Sunrise:07:41 AM Sunset: 03:56 PM |
Moonrise:09:57 AM Moonset: 06:26 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Heavy snow |
-23.4 ° C (-10.1°F) |
-6.8 ° C (19.8°F) |
-14 ° C (6.9°F) |
% 96 | 77% | 1 | Sunrise:07:41 AM Sunset: 03:56 PM |
Moonrise:10:20 AM Moonset: 07:41 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Moderate snow |
-15.9 ° C (3.4°F) |
-7.7 ° C (18.1°F) |
-11 ° C (12.2°F) |
% 94 | 89% | 1 | Sunrise:07:41 AM Sunset: 03:57 PM |
Moonrise:10:38 AM Moonset: 08:56 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Cloudy |
-26.4 ° C (-15.6°F) |
-15 ° C (5°F) |
-20.7 ° C (-5.2°F) |
% 91 | 0% | 1 | Sunrise:07:42 AM Sunset: 03:58 PM |
Moonrise:10:54 AM Moonset: 10:10 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Partly Cloudy |
-25.3 ° C (-13.5°F) |
-10.8 ° C (12.6°F) |
-21 ° C (-5.8°F) |
% 91 | 0% | 2 | Sunrise:07:42 AM Sunset: 03:58 PM |
Moonrise:11:09 AM Moonset: 11:27 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Freezing fog |
-26.7 ° C (-16.1°F) |
-14.2 ° C (6.5°F) |
-23 ° C (-9.5°F) |
% 96 | 0% | 1 | Sunrise:07:42 AM Sunset: 03:59 PM |
Moonrise:11:23 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
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