Ahtanum Weather Forecast 15 Days, Weather in Ahtanum Today
Current weather conditions and 15 day weather forecast for Ahtanum, 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 Ahtanum
| 15 December 2025 Monday 5.1 ° C / 41.2°F  Overcast |
Feels Like : 4.8 ° C / 40.7°F Humidity : % 96 Pressure : 1015 mb Wind Speed : 3.6 kmph / 2.2 miles from S  Visibility : 14 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Ahtanum, WA, USA
Weather Forecast for next 15 Days for Ahtanum 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 Ahtanum, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 December 2025 Monday |  Patchy rain nearby |
4.6 ° C (40.3°F) |
20.8 ° C (69.4°F) |
10 ° C (49.9°F) |
% 70 | 75% | 0.1 | Sunrise:07:40 AM Sunset: 04:15 PM |
Moonrise:03:39 AM Moonset: 01:20 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday |  Partly Cloudy |
1.1 ° C (34°F) |
12.4 ° C (54.3°F) |
5.5 ° C (41.8°F) |
% 88 | 0% | 0.1 | Sunrise:07:41 AM Sunset: 04:15 PM |
Moonrise:04:46 AM Moonset: 01:43 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Sunny |
2.9 ° C (37.2°F) |
9.9 ° C (49.8°F) |
5.4 ° C (41.8°F) |
% 69 | 0% | 0.2 | Sunrise:07:41 AM Sunset: 04:16 PM |
Moonrise:05:54 AM Moonset: 02:11 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Moderate rain |
2.1 ° C (35.8°F) |
4.1 ° C (39.3°F) |
3 ° C (37.4°F) |
% 88 | 77% | 0 | Sunrise:07:42 AM Sunset: 04:16 PM |
Moonrise:06:59 AM Moonset: 02:48 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Sunny |
-0.5 ° C (31.2°F) |
6.4 ° C (43.5°F) |
2.2 ° C (35.9°F) |
% 80 | 0% | 0 | Sunrise:07:43 AM Sunset: 04:16 PM |
Moonrise:07:58 AM Moonset: 03:36 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
-1.2 ° C (29.9°F) |
4.2 ° C (39.6°F) |
0.5 ° C (32.8°F) |
% 73 | 0% | 2 | Sunrise:07:43 AM Sunset: 04:17 PM |
Moonrise:08:48 AM Moonset: 04:33 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Heavy snow |
-1.3 ° C (29.6°F) |
0.5 ° C (32.9°F) |
-0.4 ° C (31.2°F) |
% 91 | 69% | 1 | Sunrise:07:44 AM Sunset: 04:17 PM |
Moonrise:09:29 AM Moonset: 05:39 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Partly Cloudy |
-4.1 ° C (24.6°F) |
3.2 ° C (37.8°F) |
-0.6 ° C (30.9°F) |
% 91 | 0% | 2 | Sunrise:07:44 AM Sunset: 04:18 PM |
Moonrise:10:00 AM Moonset: 06:49 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Partly Cloudy |
-6 ° C (21.2°F) |
0.7 ° C (33.2°F) |
-3.4 ° C (25.8°F) |
% 78 | 0% | 2 | Sunrise:07:45 AM Sunset: 04:18 PM |
Moonrise:10:25 AM Moonset: 08:01 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Heavy snow |
-2.9 ° C (26.7°F) |
-0.6 ° C (31°F) |
-2 ° C (28.4°F) |
% 94 | 81% | 1 | Sunrise:07:45 AM Sunset: 04:19 PM |
Moonrise:10:46 AM Moonset: 09:14 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Partly Cloudy |
-3.5 ° C (25.7°F) |
1 ° C (33.7°F) |
-1.3 ° C (29.6°F) |
% 96 | 0% | 2 | Sunrise:07:45 AM Sunset: 04:20 PM |
Moonrise:11:04 AM Moonset: 10:26 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Mist |
-1.8 ° C (28.8°F) |
0.6 ° C (33.1°F) |
-0.2 ° C (31.6°F) |
% 97 | 0% | 1 | Sunrise:07:46 AM Sunset: 04:20 PM |
Moonrise:11:21 AM Moonset: 11:40 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Moderate or heavy freezing rain |
-1.1 ° C (30.1°F) |
1.3 ° C (34.3°F) |
0.1 ° C (32.1°F) |
% 98 | 71% | 1 | Sunrise:07:46 AM Sunset: 04:21 PM |
Moonrise:11:38 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Light freezing rain |
-4.3 ° C (24.2°F) |
1.2 ° C (34.1°F) |
-1 ° C (30.2°F) |
% 95 | 73% | 1 | Sunrise:07:46 AM Sunset: 04:22 PM |
Moonrise:11:56 AM Moonset: 12:55 AM Moon Phase ( Waxing Gibbous ) |
|
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