Current weather conditions and 15 day weather forecast for Yarmouth Port, 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.
| 18 December 2025 Thursday 4.4 ° C / 39.9°F ![]() Clear |
Feels Like : -0 ° C / 32°F Humidity : % 89 Pressure : 1025 mb Wind Speed : 22.7 kmph / 14.1 miles from SSE ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 December 2025 Thursday | Sunny |
-0.7 ° C (30.7°F) |
8.4 ° C (47.1°F) |
4 ° C (39.2°F) |
% 82 | 0% | 0.3 | Sunrise:07:03 AM Sunset: 04:12 PM |
Moonrise:06:06 AM Moonset: 02:45 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Heavy rain |
3.9 ° C (39°F) |
11 ° C (51.8°F) |
8.8 ° C (47.9°F) |
% 92 | 89% | 0 | Sunrise:07:04 AM Sunset: 04:13 PM |
Moonrise:07:04 AM Moonset: 03:33 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
-1.3 ° C (29.7°F) |
1.7 ° C (35.1°F) |
0.5 ° C (33°F) |
% 59 | 0% | 0.3 | Sunrise:07:04 AM Sunset: 04:13 PM |
Moonrise:07:56 AM Moonset: 04:28 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Partly Cloudy |
-0.2 ° C (31.7°F) |
7.1 ° C (44.7°F) |
4.6 ° C (40.3°F) |
% 69 | 0% | 0.3 | Sunrise:07:05 AM Sunset: 04:14 PM |
Moonrise:08:40 AM Moonset: 05:30 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-2.5 ° C (27.6°F) |
-0.4 ° C (31.2°F) |
-0.6 ° C (30.9°F) |
% 55 | 0% | 0 | Sunrise:07:05 AM Sunset: 04:14 PM |
Moonrise:09:17 AM Moonset: 06:36 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Partly Cloudy |
-2.8 ° C (26.9°F) |
-0.3 ° C (31.4°F) |
-0.8 ° C (30.5°F) |
% 52 | 0% | 2 | Sunrise:07:06 AM Sunset: 04:15 PM |
Moonrise:09:47 AM Moonset: 07:44 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Sunny |
-1 ° C (30.3°F) |
3.7 ° C (38.7°F) |
1.8 ° C (35.3°F) |
% 62 | 0% | 2 | Sunrise:07:06 AM Sunset: 04:15 PM |
Moonrise:10:12 AM Moonset: 08:52 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Moderate snow |
-0.8 ° C (30.5°F) |
0 ° C (32.1°F) |
0.2 ° C (32.3°F) |
% 72 | 87% | 1 | Sunrise:07:07 AM Sunset: 04:16 PM |
Moonrise:10:34 AM Moonset: 09:59 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Partly Cloudy |
0.5 ° C (33°F) |
4.8 ° C (40.6°F) |
3.3 ° C (38°F) |
% 81 | 0% | 2 | Sunrise:07:07 AM Sunset: 04:17 PM |
Moonrise:10:56 AM Moonset: 11:08 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Light freezing rain |
-4.2 ° C (24.4°F) |
-2.4 ° C (27.6°F) |
-2.7 ° C (27.1°F) |
% 59 | 66% | 1 | Sunrise:07:07 AM Sunset: 04:17 PM |
Moonrise:11:17 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-5.1 ° C (22.7°F) |
-3.5 ° C (25.7°F) |
-4.4 ° C (24.2°F) |
% 52 | 0% | 2 | Sunrise:07:08 AM Sunset: 04:18 PM |
Moonrise:11:40 AM Moonset: 12:18 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-4 ° C (24.9°F) |
0 ° C (32°F) |
-1.8 ° C (28.8°F) |
% 60 | 0% | 2 | Sunrise:07:08 AM Sunset: 04:19 PM |
Moonrise:12:06 PM Moonset: 01:33 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-2.4 ° C (27.7°F) |
0.5 ° C (33°F) |
-1.1 ° C (30.1°F) |
% 59 | 0% | 2 | Sunrise:07:08 AM Sunset: 04:20 PM |
Moonrise:12:38 PM Moonset: 02:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-1.3 ° C (29.7°F) |
2.3 ° C (36.2°F) |
0.4 ° C (32.8°F) |
% 57 | 0% | 2 | Sunrise:07:08 AM Sunset: 04:20 PM |
Moonrise:01:19 PM Moonset: 04:11 AM Moon Phase ( Waxing Gibbous ) |
|