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Mattapan, MA Marine Weather Forecast

Station BHBM3 - 8443970 - Boston, MA

May 16, 2026 6:30 pm EDT
Location: 42.355N 71.05W
Atmospheric Pressure: 29.86 in (1011.1 mb)
Air Temperature: 75.9°F (24.4°C)


Tonight - 56°F
May 16, 2026
8 to 12 mph SW
Partly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers between 4am and 5am. Partly cloudy, with a low around 56. Southwest wind 8 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Sunday - 82°F
May 17, 2026
6 to 10 mph W
Sunny
Sunny, with a high near 82. West wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday Night - 54°F
May 17, 2026
3 to 9 mph N
Mostly Clear
Mostly clear, with a low around 54. North wind 3 to 9 mph.
Monday - 74°F
May 18, 2026
3 to 10 mph SE
Mostly Sunny
Mostly sunny, with a high near 74. Southeast wind 3 to 10 mph.
Monday Night - 56°F
May 18, 2026
7 to 10 mph SW
Mostly Clear
Mostly clear, with a low around 56. Southwest wind 7 to 10 mph.
Tuesday - 88°F
May 19, 2026
7 to 12 mph SW
Sunny
Sunny, with a high near 88. Southwest wind 7 to 12 mph, with gusts as high as 22 mph.
Tuesday Night - 65°F
May 19, 2026
10 mph SW
Partly Cloudy
Partly cloudy, with a low around 65. Southwest wind around 10 mph, with gusts as high as 21 mph.
Wednesday - 92°F
May 20, 2026
8 to 12 mph SW
Mostly Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 92. Southwest wind 8 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Wednesday Night - 56°F
May 20, 2026
6 to 10 mph W
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 56. West wind 6 to 10 mph. Chance of precipitation is 60%.
Thursday - 70°F
May 21, 2026
8 mph N
Slight Chance Rain Showers then Partly Sunny
A slight chance of rain showers before 9am. Partly sunny, with a high near 70. North wind around 8 mph.
Thursday Night - 48°F
May 21, 2026
6 mph N
Mostly Cloudy
Mostly cloudy, with a low around 48. North wind around 6 mph.
Friday - 66°F
May 22, 2026
6 mph NE
Partly Sunny
Partly sunny, with a high near 66. Northeast wind around 6 mph.
Friday Night - 47°F
May 22, 2026
2 to 6 mph E
Mostly Cloudy
Mostly cloudy, with a low around 47. East wind 2 to 6 mph.
Saturday - 66°F
May 23, 2026
2 to 7 mph E
Slight Chance Rain Showers
A slight chance of rain showers after 7am. Partly sunny, with a high near 66. East wind 2 to 7 mph.

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