Current weather conditions and 15 day weather forecast for Mount St Helens Aero Ranch Airport, 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.
| 18 December 2025 Thursday 4 ° C / 39.2°F ![]() Light rain |
Feels Like : 2.1 ° C / 35.7°F Humidity : % 93 Pressure : 1006 mb Wind Speed : 7.6 kmph / 4.7 miles from E ![]() Visibility : 13 km Precipitation (rainfall) : 2.3 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 December 2025 Thursday | Heavy rain |
4.4 ° C (39.9°F) |
8.5 ° C (47.3°F) |
6.3 ° C (43.3°F) |
% 90 | 90% | 0 | Sunrise:07:48 AM Sunset: 04:26 PM |
Moonrise:07:04 AM Moonset: 02:59 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Heavy rain |
2.7 ° C (36.9°F) |
4.6 ° C (40.3°F) |
4 ° C (39.2°F) |
% 95 | 88% | 0.1 | Sunrise:07:48 AM Sunset: 04:26 PM |
Moonrise:08:02 AM Moonset: 03:47 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Heavy rain |
1.9 ° C (35.3°F) |
4 ° C (39.2°F) |
3.3 ° C (37.9°F) |
% 97 | 82% | 0.1 | Sunrise:07:49 AM Sunset: 04:27 PM |
Moonrise:08:53 AM Moonset: 04:44 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Heavy rain |
-0.8 ° C (30.5°F) |
4.3 ° C (39.8°F) |
2.8 ° C (37°F) |
% 97 | 85% | 0 | Sunrise:07:49 AM Sunset: 04:27 PM |
Moonrise:09:34 AM Moonset: 05:50 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Moderate rain |
2.2 ° C (36°F) |
5.8 ° C (42.5°F) |
4.1 ° C (39.4°F) |
% 98 | 85% | 0 | Sunrise:07:50 AM Sunset: 04:28 PM |
Moonrise:10:06 AM Moonset: 07:00 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Patchy rain nearby |
-2.5 ° C (27.5°F) |
4 ° C (39.2°F) |
1.9 ° C (35.4°F) |
% 96 | 85% | 1 | Sunrise:07:50 AM Sunset: 04:28 PM |
Moonrise:10:31 AM Moonset: 08:11 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy moderate snow |
-7.7 ° C (18.2°F) |
0.1 ° C (32.2°F) |
-2.7 ° C (27.2°F) |
% 92 | 81% | 1 | Sunrise:07:50 AM Sunset: 04:29 PM |
Moonrise:10:53 AM Moonset: 09:23 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Partly Cloudy |
-4.3 ° C (24.2°F) |
6 ° C (42.8°F) |
0 ° C (32°F) |
% 91 | 0% | 2 | Sunrise:07:51 AM Sunset: 04:30 PM |
Moonrise:11:11 AM Moonset: 10:35 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Sunny |
-5.7 ° C (21.8°F) |
6.3 ° C (43.4°F) |
-0.2 ° C (31.7°F) |
% 86 | 0% | 2 | Sunrise:07:51 AM Sunset: 04:30 PM |
Moonrise:11:29 AM Moonset: 11:48 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-1.9 ° C (28.7°F) |
7.7 ° C (45.8°F) |
1 ° C (33.8°F) |
% 87 | 0% | 2 | Sunrise:07:51 AM Sunset: 04:31 PM |
Moonrise:11:46 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-1.6 ° C (29.1°F) |
7.1 ° C (44.8°F) |
1.8 ° C (35.2°F) |
% 90 | 0% | 2 | Sunrise:07:52 AM Sunset: 04:32 PM |
Moonrise:12:05 PM Moonset: 01:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-0.5 ° C (31.1°F) |
7.2 ° C (44.9°F) |
2 ° C (35.6°F) |
% 89 | 0% | 2 | Sunrise:07:52 AM Sunset: 04:33 PM |
Moonrise:12:28 PM Moonset: 02:22 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Patchy rain nearby |
1 ° C (33.8°F) |
4.8 ° C (40.7°F) |
3.7 ° C (38.6°F) |
% 93 | 85% | 1 | Sunrise:07:52 AM Sunset: 04:34 PM |
Moonrise:12:57 PM Moonset: 03:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Patchy rain nearby |
-0.4 ° C (31.3°F) |
6.2 ° C (43.2°F) |
3.4 ° C (38.1°F) |
% 95 | 79% | 1 | Sunrise:07:52 AM Sunset: 04:34 PM |
Moonrise:01:36 PM Moonset: 05:10 AM Moon Phase ( Waxing Gibbous ) |
|