National Weather Service Forecast for: Fairhaven MA
Issued by: National Weather Service Norton, MA
Updated: 2:31 am EDT Aug 20, 2026
 
Today

Today: Mostly sunny, with a high near 84. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Mostly Sunny

Tonight

Tonight: Showers likely, mainly after 11pm.  Mostly cloudy, with a low around 64. Calm wind becoming north around 6 mph after midnight.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Showers
Likely
Friday

Friday: A chance of showers.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 78. Northeast wind 7 to 10 mph.  Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Chance
Showers and
Patchy Fog
Friday
Night
Friday Night: Showers likely, mainly after midnight.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 64. Northeast wind 6 to 8 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers
Likely and
Patchy Fog
Saturday

Saturday: Showers, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rainfall.  High near 76. Northeast wind 9 to 11 mph.  Chance of precipitation is 90%.
Heavy Rain

Saturday
Night
Saturday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Some of the storms could produce heavy rainfall.  Low around 67. East wind 5 to 7 mph becoming north in the evening.  Chance of precipitation is 80%.
Heavy Rain

Sunday

Sunday: A chance of showers before 2pm.  Mostly cloudy, with a high near 80. South wind 6 to 11 mph.  Chance of precipitation is 50%.
Chance
Showers
Sunday
Night
Sunday Night: Mostly cloudy, with a low around 68. Southwest wind 5 to 8 mph.
Mostly Cloudy

Monday

Monday: Mostly sunny, with a high near 79. West wind 6 to 13 mph.
Mostly Sunny

Hi 84 °F Lo 64 °F Hi 78 °F Lo 64 °F Hi 76 °F Lo 67 °F Hi 80 °F Lo 68 °F Hi 79 °F

 

Today
 
Mostly sunny, with a high near 84. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tonight
 
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 64. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
 
A chance of showers. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 78. Northeast wind 7 to 10 mph. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
 
Showers likely, mainly after midnight. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 64. Northeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
 
Showers, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rainfall. High near 76. Northeast wind 9 to 11 mph. Chance of precipitation is 90%.
Saturday Night
 
Showers and possibly a thunderstorm before 11pm, then showers likely. Some of the storms could produce heavy rainfall. Low around 67. East wind 5 to 7 mph becoming north in the evening. Chance of precipitation is 80%.
Sunday
 
A chance of showers before 2pm. Mostly cloudy, with a high near 80. South wind 6 to 11 mph. Chance of precipitation is 50%.
Sunday Night
 
Mostly cloudy, with a low around 68. Southwest wind 5 to 8 mph.
Monday
 
Mostly sunny, with a high near 79. West wind 6 to 13 mph.
Monday Night
 
Mostly clear, with a low around 63. West wind 6 to 9 mph.
Tuesday
 
Sunny, with a high near 77. Southwest wind 6 to 13 mph.
Tuesday Night
 
Mostly clear, with a low around 63. West wind 6 to 8 mph.
Wednesday
 
Sunny, with a high near 77. Southwest wind 5 to 13 mph.

 

Forecast from NOAA-NWS for Fairhaven MA.