Boeing Field King County International Airport Weather Forecast 15 Days, Weather in BFI Today
Current weather conditions and 15 day weather forecast for Boeing Field King County International 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.
Current weather conditions at Boeing Field King County International Airport
| 19 December 2025 Friday 9.4 ° C / 48.9°F  Overcast |
Feels Like : 6.4 ° C / 43.5°F Humidity : % 83 Pressure : 993 mb Wind Speed : 22.3 kmph / 13.9 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0.03 mm Cloud (%) : 100 |
15 day weather forecast for Boeing Field King County International Airport, WA, USA
Weather Forecast for next 15 Days for Boeing Field King County International Airport 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 Boeing Field King County International Airport, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 December 2025 Thursday |  Moderate rain |
4.8 ° C (40.6°F) |
10.9 ° C (51.6°F) |
6.9 ° C (44.4°F) |
% 87 | 87% | 0 | Sunrise:07:53 AM Sunset: 04:19 PM |
Moonrise:07:11 AM Moonset: 02:51 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Patchy rain nearby |
2.8 ° C (37°F) |
5.9 ° C (42.6°F) |
4.3 ° C (39.7°F) |
% 87 | 87% | 0.1 | Sunrise:07:53 AM Sunset: 04:20 PM |
Moonrise:08:10 AM Moonset: 03:38 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Moderate rain |
3.8 ° C (38.8°F) |
6.8 ° C (44.2°F) |
5.1 ° C (41.2°F) |
% 90 | 87% | 0 | Sunrise:07:54 AM Sunset: 04:20 PM |
Moonrise:09:00 AM Moonset: 04:35 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Heavy rain |
3.8 ° C (38.8°F) |
9.8 ° C (49.6°F) |
5.3 ° C (41.5°F) |
% 91 | 83% | 0 | Sunrise:07:54 AM Sunset: 04:21 PM |
Moonrise:09:41 AM Moonset: 05:42 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Moderate rain |
4.1 ° C (39.3°F) |
8.6 ° C (47.5°F) |
5.8 ° C (42.5°F) |
% 78 | 84% | 0.1 | Sunrise:07:55 AM Sunset: 04:21 PM |
Moonrise:10:11 AM Moonset: 06:53 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Patchy rain nearby |
3.8 ° C (38.8°F) |
5.6 ° C (42.1°F) |
4.4 ° C (39.9°F) |
% 91 | 87% | 0 | Sunrise:07:55 AM Sunset: 04:22 PM |
Moonrise:10:35 AM Moonset: 08:06 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy rain nearby |
2.8 ° C (37.1°F) |
4.6 ° C (40.3°F) |
3.7 ° C (38.7°F) |
% 93 | 87% | 1 | Sunrise:07:56 AM Sunset: 04:22 PM |
Moonrise:10:55 AM Moonset: 09:20 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
2 ° C (35.7°F) |
3.3 ° C (37.9°F) |
2.9 ° C (37.2°F) |
% 94 | 81% | 1 | Sunrise:07:56 AM Sunset: 04:23 PM |
Moonrise:11:13 AM Moonset: 10:33 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
1.9 ° C (35.5°F) |
3.1 ° C (37.5°F) |
2.6 ° C (36.7°F) |
% 95 | 89% | 1 | Sunrise:07:56 AM Sunset: 04:24 PM |
Moonrise:11:29 AM Moonset: 11:47 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Patchy rain nearby |
4.1 ° C (39.4°F) |
7.2 ° C (44.9°F) |
5.8 ° C (42.4°F) |
% 83 | 85% | 2 | Sunrise:07:56 AM Sunset: 04:25 PM |
Moonrise:11:45 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Moderate rain |
4.6 ° C (40.2°F) |
5.5 ° C (41.9°F) |
4.9 ° C (40.8°F) |
% 85 | 84% | 1 | Sunrise:07:57 AM Sunset: 04:25 PM |
Moonrise:12:02 PM Moonset: 01:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Moderate rain |
5.1 ° C (41.1°F) |
8 ° C (46.4°F) |
7.3 ° C (45.1°F) |
% 91 | 89% | 2 | Sunrise:07:57 AM Sunset: 04:26 PM |
Moonrise:12:23 PM Moonset: 02:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Moderate rain |
4.4 ° C (39.9°F) |
8.9 ° C (48°F) |
7.3 ° C (45.2°F) |
% 87 | 89% | 2 | Sunrise:07:57 AM Sunset: 04:27 PM |
Moonrise:12:50 PM Moonset: 03:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Patchy rain nearby |
1.9 ° C (35.3°F) |
6.6 ° C (43.9°F) |
4.2 ° C (39.6°F) |
% 83 | 81% | 1 | Sunrise:07:57 AM Sunset: 04:28 PM |
Moonrise:01:28 PM Moonset: 05:17 AM Moon Phase ( Waxing Gibbous ) |
|
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