Rosario Seaplane Base Weather Forecast 15 Days, Weather in RSJ Today
Current weather conditions and 15 day weather forecast for Rosario Seaplane Base, 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 Rosario Seaplane Base
| 05 December 2025 Friday 7.3 ° C / 45.1°F  Mist |
Feels Like : 5.2 ° C / 41.3°F Humidity : % 100 Pressure : 1015 mb Wind Speed : 11.2 kmph / 6.9 miles from ESE  Visibility : 6.4 km Precipitation (rainfall) : 0.56 mm Cloud (%) : 100 |
15 day weather forecast for Rosario Seaplane Base, WA, USA
Weather Forecast for next 15 Days for Rosario Seaplane Base 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 Rosario Seaplane Base, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 December 2025 Friday |  Patchy rain nearby |
7 ° C (44.6°F) |
11.6 ° C (52.9°F) |
8.8 ° C (47.8°F) |
% 90 | 90% | 0 | Sunrise:07:49 AM Sunset: 04:16 PM |
Moonrise:04:38 PM Moonset: 09:17 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday |  Moderate rain |
8.4 ° C (47.1°F) |
9.1 ° C (48.4°F) |
8.8 ° C (47.8°F) |
% 90 | 87% | 0.1 | Sunrise:07:50 AM Sunset: 04:16 PM |
Moonrise:05:54 PM Moonset: 10:18 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday |  Overcast |
7.5 ° C (45.5°F) |
9.8 ° C (49.7°F) |
8.5 ° C (47.3°F) |
% 90 | 0% | 0 | Sunrise:07:51 AM Sunset: 04:16 PM |
Moonrise:07:19 PM Moonset: 11:02 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday | Moderate rain |
7.7 ° C (45.9°F) |
9.5 ° C (49.1°F) |
8.7 ° C (47.7°F) |
% 86 | 89% | 0 | Sunrise:07:52 AM Sunset: 04:15 PM |
Moonrise:08:43 PM Moonset: 11:32 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday | Patchy rain nearby |
6.9 ° C (44.5°F) |
9.1 ° C (48.4°F) |
8.5 ° C (47.3°F) |
% 80 | 86% | 0 | Sunrise:07:53 AM Sunset: 04:15 PM |
Moonrise:10:03 PM Moonset: 11:54 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday | Patchy rain nearby |
6.3 ° C (43.3°F) |
7.8 ° C (46°F) |
7 ° C (44.6°F) |
% 74 | 89% | 2 | Sunrise:07:54 AM Sunset: 04:15 PM |
Moonrise:11:18 PM Moonset: 12:11 PM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday | Patchy rain nearby |
4.8 ° C (40.6°F) |
5.8 ° C (42.5°F) |
5.7 ° C (42.2°F) |
% 81 | 83% | 2 | Sunrise:07:55 AM Sunset: 04:15 PM |
Moonrise:No moonrise Moonset: 12:25 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Patchy rain nearby |
2.9 ° C (37.2°F) |
3.6 ° C (38.5°F) |
4 ° C (39.2°F) |
% 81 | 89% | 1 | Sunrise:07:56 AM Sunset: 04:15 PM |
Moonrise:12:29 AM Moonset: 12:38 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Patchy rain nearby |
4.1 ° C (39.4°F) |
6.2 ° C (43.1°F) |
4.9 ° C (40.9°F) |
% 82 | 87% | 1 | Sunrise:07:57 AM Sunset: 04:15 PM |
Moonrise:01:38 AM Moonset: 12:51 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday |  Cloudy |
-1.4 ° C (29.4°F) |
0.4 ° C (32.8°F) |
-0.1 ° C (31.9°F) |
% 69 | 0% | 1 | Sunrise:07:57 AM Sunset: 04:15 PM |
Moonrise:02:46 AM Moonset: 01:06 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday |  Moderate or heavy snow showers |
-3.7 ° C (25.4°F) |
-0.1 ° C (31.8°F) |
-1.5 ° C (29.2°F) |
% 83 | 65% | 1 | Sunrise:07:58 AM Sunset: 04:16 PM |
Moonrise:03:55 AM Moonset: 01:23 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Moderate or heavy snow showers |
-1.9 ° C (28.6°F) |
0.7 ° C (33.2°F) |
-0.3 ° C (31.5°F) |
% 82 | 86% | 1 | Sunrise:07:59 AM Sunset: 04:16 PM |
Moonrise:05:05 AM Moonset: 01:43 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Moderate snow |
-4.3 ° C (24.2°F) |
-2.7 ° C (27.1°F) |
-3 ° C (26.6°F) |
% 75 | 75% | 1 | Sunrise:08:00 AM Sunset: 04:16 PM |
Moonrise:06:14 AM Moonset: 02:10 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Patchy moderate snow |
-6.8 ° C (19.7°F) |
-3.3 ° C (26°F) |
-5.3 ° C (22.5°F) |
% 79 | 66% | 1 | Sunrise:08:00 AM Sunset: 04:17 PM |
Moonrise:07:21 AM Moonset: 02:46 PM Moon Phase ( Waning Crescent ) |
|
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