Fort Lewis Weather Forecast 15 Days, Weather in Fort Lewis Today
Current weather conditions and 15 day weather forecast for Fort Lewis, 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 Fort Lewis
| 22 December 2025 Monday 5.5 ° C / 41.9°F  Overcast |
Feels Like : 3 ° C / 37.4°F Humidity : % 93 Pressure : 1007 mb Wind Speed : 11.2 kmph / 6.9 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Fort Lewis, WA, USA
Weather Forecast for next 15 Days for Fort Lewis 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 Fort Lewis, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 21 December 2025 Sunday |  Patchy rain nearby |
3.9 ° C (39°F) |
9.6 ° C (49.3°F) |
6.1 ° C (43°F) |
% 85 | 88% | 0.1 | Sunrise:07:54 AM Sunset: 04:23 PM |
Moonrise:09:40 AM Moonset: 05:44 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Patchy rain nearby |
3.3 ° C (37.9°F) |
8.4 ° C (47.1°F) |
5.8 ° C (42.5°F) |
% 82 | 87% | 0.1 | Sunrise:07:55 AM Sunset: 04:23 PM |
Moonrise:10:11 AM Moonset: 06:55 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Patchy rain nearby |
4.1 ° C (39.4°F) |
6.2 ° C (43.2°F) |
5.4 ° C (41.7°F) |
% 86 | 87% | 0.1 | Sunrise:07:55 AM Sunset: 04:24 PM |
Moonrise:10:35 AM Moonset: 08:08 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Heavy rain |
1.4 ° C (34.5°F) |
3.4 ° C (38.1°F) |
2.5 ° C (36.5°F) |
% 95 | 86% | 0 | Sunrise:07:55 AM Sunset: 04:24 PM |
Moonrise:10:56 AM Moonset: 09:21 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Moderate rain |
0.5 ° C (32.9°F) |
2.5 ° C (36.5°F) |
1.7 ° C (35°F) |
% 93 | 64% | 0 | Sunrise:07:56 AM Sunset: 04:25 PM |
Moonrise:11:13 AM Moonset: 10:34 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Fog |
1.1 ° C (34°F) |
5.2 ° C (41.4°F) |
2.3 ° C (36.1°F) |
% 98 | 0% | 0 | Sunrise:07:56 AM Sunset: 04:26 PM |
Moonrise:11:29 AM Moonset: 11:48 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Fog |
2.9 ° C (37.2°F) |
6 ° C (42.8°F) |
4.2 ° C (39.6°F) |
% 91 | 0% | 1 | Sunrise:07:56 AM Sunset: 04:27 PM |
Moonrise:11:46 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Sunny |
1.5 ° C (34.8°F) |
5.7 ° C (42.2°F) |
3.4 ° C (38.1°F) |
% 88 | 0% | 2 | Sunrise:07:56 AM Sunset: 04:27 PM |
Moonrise:12:03 PM Moonset: 01:05 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
0.2 ° C (32.4°F) |
6.4 ° C (43.5°F) |
2.4 ° C (36.3°F) |
% 84 | 0% | 2 | Sunrise:07:57 AM Sunset: 04:28 PM |
Moonrise:12:25 PM Moonset: 02:25 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-0.5 ° C (31.2°F) |
6.5 ° C (43.7°F) |
2.2 ° C (36°F) |
% 82 | 0% | 2 | Sunrise:07:57 AM Sunset: 04:29 PM |
Moonrise:12:52 PM Moonset: 03:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Patchy rain nearby |
1.6 ° C (35°F) |
6.6 ° C (43.9°F) |
4.4 ° C (39.9°F) |
% 89 | 89% | 1 | Sunrise:07:57 AM Sunset: 04:30 PM |
Moonrise:01:30 PM Moonset: 05:16 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Patchy rain nearby |
1.9 ° C (35.4°F) |
5.1 ° C (41.1°F) |
3.2 ° C (37.8°F) |
% 87 | 0% | 1 | Sunrise:07:57 AM Sunset: 04:31 PM |
Moonrise:02:22 PM Moonset: 06:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Patchy rain nearby |
1.1 ° C (34°F) |
5.3 ° C (41.6°F) |
3.1 ° C (37.6°F) |
% 86 | 85% | 1 | Sunrise:07:57 AM Sunset: 04:32 PM |
Moonrise:03:31 PM Moonset: 07:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Patchy rain nearby |
3.5 ° C (38.3°F) |
9.5 ° C (49.2°F) |
7.3 ° C (45.1°F) |
% 86 | 84% | 2 | Sunrise:07:57 AM Sunset: 04:33 PM |
Moonrise:04:52 PM Moonset: 08:42 AM Moon Phase ( Full Moon ) |
|
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