Current weather conditions and 15 day weather forecast for Mattapoisett, 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.
| 11 August 2026 Tuesday 26 ° C / 78.8°F ![]() Clear |
Feels Like : 26.3 ° C / 79.3°F Humidity : % 61 Pressure : 1008 mb Wind Speed : 15.8 kmph / 9.8 miles from W ![]() Visibility : 16.1 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 11 August 2026 Tuesday | Sunny |
20.5 ° C (68.9°F) |
33.2 ° C (91.8°F) |
26.2 ° C (79.1°F) |
% 63 | 4% | 6.6 | Sunrise:05:47 AM Sunset: 07:49 PM |
Moonrise:03:42 AM Moonset: 07:13 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
18.7 ° C (65.7°F) |
28.9 ° C (84.1°F) |
23 ° C (73.4°F) |
% 63 | 4% | 7.2 | Sunrise:05:48 AM Sunset: 07:47 PM |
Moonrise:05:06 AM Moonset: 07:46 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Partly Cloudy |
18.1 ° C (64.6°F) |
28.2 ° C (82.8°F) |
22.8 ° C (73°F) |
% 69 | 21% | 5.8 | Sunrise:05:49 AM Sunset: 07:46 PM |
Moonrise:06:28 AM Moonset: 08:14 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
16 ° C (60.9°F) |
28.2 ° C (82.8°F) |
20.2 ° C (68.3°F) |
% 76 | 59% | 5.7 | Sunrise:05:50 AM Sunset: 07:44 PM |
Moonrise:07:48 AM Moonset: 08:39 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Sunny |
13.9 ° C (57.1°F) |
25.6 ° C (78°F) |
19.6 ° C (67.3°F) |
% 63 | 4% | 6.9 | Sunrise:05:51 AM Sunset: 07:43 PM |
Moonrise:09:05 AM Moonset: 09:02 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
13.3 ° C (55.9°F) |
25.8 ° C (78.5°F) |
19.3 ° C (66.7°F) |
% 66 | 62% | 7 | Sunrise:05:52 AM Sunset: 07:42 PM |
Moonrise:10:19 AM Moonset: 09:26 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Patchy rain nearby |
17.5 ° C (63.5°F) |
25.9 ° C (78.7°F) |
21.8 ° C (71.2°F) |
% 86 | 87% | 6 | Sunrise:05:54 AM Sunset: 07:40 PM |
Moonrise:11:32 AM Moonset: 09:52 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
14.9 ° C (58.9°F) |
25.9 ° C (78.6°F) |
20.5 ° C (68.9°F) |
% 71 | 7% | 7 | Sunrise:05:55 AM Sunset: 07:39 PM |
Moonrise:12:44 PM Moonset: 10:21 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
17.9 ° C (64.2°F) |
26.7 ° C (80°F) |
22.4 ° C (72.3°F) |
% 74 | 62% | 7 | Sunrise:05:56 AM Sunset: 07:37 PM |
Moonrise:01:54 PM Moonset: 10:56 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
13.9 ° C (57°F) |
23.8 ° C (74.8°F) |
19.6 ° C (67.3°F) |
% 62 | 57% | 6 | Sunrise:05:57 AM Sunset: 07:36 PM |
Moonrise:03:00 PM Moonset: 11:38 PM Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
12.9 ° C (55.3°F) |
23.9 ° C (75°F) |
18 ° C (64.4°F) |
% 51 | 3% | 6 | Sunrise:05:58 AM Sunset: 07:34 PM |
Moonrise:03:59 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Patchy rain nearby |
17 ° C (62.7°F) |
24.4 ° C (75.9°F) |
21.8 ° C (71.3°F) |
% 87 | 40% | 6 | Sunrise:05:59 AM Sunset: 07:33 PM |
Moonrise:04:49 PM Moonset: 12:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
19.4 ° C (66.9°F) |
30.3 ° C (86.6°F) |
25.1 ° C (77.2°F) |
% 68 | 7% | 8 | Sunrise:06:00 AM Sunset: 07:31 PM |
Moonrise:05:31 PM Moonset: 01:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Sunny |
16 ° C (60.8°F) |
26.2 ° C (79.2°F) |
20.5 ° C (68.8°F) |
% 59 | 4% | 7 | Sunrise:06:01 AM Sunset: 07:30 PM |
Moonrise:06:05 PM Moonset: 02:25 AM Moon Phase ( Waxing Gibbous ) |
|