Cape Air Seaplanes on Boston Harbor Seaplane Base Weather Forecast 15 Days, Weather in BNH Today
Current weather conditions and 15 day weather forecast for Cape Air Seaplanes on Boston Harbor Seaplane Base, Massachusetts, 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 Cape Air Seaplanes on Boston Harbor Seaplane Base
| 05 December 2025 Friday -9.4 ° C / 15.1°F  Clear |
Feels Like : -17.1 ° C / 1.2°F Humidity : % 33 Pressure : 1026 mb Wind Speed : 20.2 kmph / 12.5 miles from NW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Cape Air Seaplanes on Boston Harbor Seaplane Base, MA, USA
Weather Forecast for next 15 Days for Cape Air Seaplanes on Boston Harbor 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 Cape Air Seaplanes on Boston Harbor Seaplane Base, Massachusetts 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 | Sunny |
-12.5 ° C (9.5°F) |
-2.5 ° C (27.5°F) |
-7.1 ° C (19.1°F) |
% 55 | 0% | 0.3 | Sunrise:06:58 AM Sunset: 04:12 PM |
Moonrise:04:35 PM Moonset: 08:05 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday |  Overcast |
-4.8 ° C (23.4°F) |
0.9 ° C (33.5°F) |
-1.9 ° C (28.6°F) |
% 90 | 0% | 0.2 | Sunrise:06:59 AM Sunset: 04:11 PM |
Moonrise:05:48 PM Moonset: 09:10 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday | Overcast |
-2 ° C (28.4°F) |
-0.7 ° C (30.7°F) |
-0.9 ° C (30.3°F) |
% 77 | 0% | 0.2 | Sunrise:07:00 AM Sunset: 04:11 PM |
Moonrise:07:06 PM Moonset: 10:01 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday |  Heavy snow |
-9.6 ° C (14.7°F) |
-1 ° C (30.1°F) |
-4.2 ° C (24.5°F) |
% 84 | 80% | 0.2 | Sunrise:07:01 AM Sunset: 04:11 PM |
Moonrise:08:24 PM Moonset: 10:39 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday |  Partly Cloudy |
-10.3 ° C (13.4°F) |
-2.3 ° C (27.8°F) |
-7.5 ° C (18.5°F) |
% 76 | 0% | 0 | Sunrise:07:02 AM Sunset: 04:11 PM |
Moonrise:09:38 PM Moonset: 11:08 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday |  Moderate rain |
0.5 ° C (32.9°F) |
6.2 ° C (43.2°F) |
5 ° C (40.9°F) |
% 89 | 80% | 1 | Sunrise:07:03 AM Sunset: 04:11 PM |
Moonrise:10:47 PM Moonset: 11:32 AM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday |  Patchy rain nearby |
-1.8 ° C (28.7°F) |
7.3 ° C (45.1°F) |
4.2 ° C (39.6°F) |
% 79 | 70% | 1 | Sunrise:07:04 AM Sunset: 04:11 PM |
Moonrise:11:53 PM Moonset: 11:52 AM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Partly Cloudy |
-3.1 ° C (26.4°F) |
0.9 ° C (33.6°F) |
-1.4 ° C (29.5°F) |
% 49 | 0% | 2 | Sunrise:07:04 AM Sunset: 04:12 PM |
Moonrise:No moonrise Moonset: 12:11 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Sunny |
-2.4 ° C (27.7°F) |
1.2 ° C (34.2°F) |
-1.3 ° C (29.7°F) |
% 56 | 0% | 2 | Sunrise:07:05 AM Sunset: 04:12 PM |
Moonrise:12:56 AM Moonset: 12:29 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Sunny |
-3.3 ° C (26.1°F) |
2.8 ° C (37.1°F) |
-0.1 ° C (31.8°F) |
% 53 | 0% | 2 | Sunrise:07:06 AM Sunset: 04:12 PM |
Moonrise:01:59 AM Moonset: 12:48 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Sunny |
-3.7 ° C (25.4°F) |
1.7 ° C (35.1°F) |
0.1 ° C (32.3°F) |
% 53 | 0% | 2 | Sunrise:07:07 AM Sunset: 04:12 PM |
Moonrise:03:02 AM Moonset: 01:10 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Sunny |
-4.5 ° C (23.9°F) |
-0.5 ° C (31°F) |
-2.8 ° C (27°F) |
% 46 | 0% | 2 | Sunrise:07:07 AM Sunset: 04:13 PM |
Moonrise:04:05 AM Moonset: 01:36 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Partly Cloudy |
-2.8 ° C (26.9°F) |
1.7 ° C (35.1°F) |
-0.9 ° C (30.3°F) |
% 46 | 0% | 2 | Sunrise:07:08 AM Sunset: 04:13 PM |
Moonrise:05:09 AM Moonset: 02:07 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Heavy snow |
-0.3 ° C (31.5°F) |
0.9 ° C (33.7°F) |
0.5 ° C (32.9°F) |
% 84 | 65% | 1 | Sunrise:07:09 AM Sunset: 04:13 PM |
Moonrise:06:12 AM Moonset: 02:45 PM Moon Phase ( Waning Crescent ) |
|
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