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Somersworth, NH Marine Weather Forecast

Overnight - 64°F
Aug 18, 2026
0 mph
Areas Of Fog
Areas of fog. Mostly cloudy, with a low around 64. North wind around 0 mph. New rainfall amounts less than a tenth of an inch possible.
Tuesday - 81°F
Aug 18, 2026
0 to 10 mph NE
Areas Of Fog
Areas of fog before 7am, then areas of fog and a chance of rain showers between 7am and 5pm. Partly sunny, with a high near 81. Northeast wind 0 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Tuesday Night - 64°F
Aug 18, 2026
0 to 10 mph NE
Mostly Cloudy then Areas Of Fog
Areas of fog after 2am. Mostly cloudy, with a low around 64. Northeast wind 0 to 10 mph.
Wednesday - 85°F
Aug 19, 2026
0 to 10 mph SW
Areas Of Fog then Mostly Sunny
Areas of fog before 8am. Mostly sunny, with a high near 85. Southwest wind 0 to 10 mph.
Wednesday Night - 65°F
Aug 19, 2026
5 to 10 mph SW
Mostly Clear
Mostly clear, with a low around 65. Southwest wind 5 to 10 mph.
Thursday - 84°F
Aug 20, 2026
5 to 10 mph SW
Mostly Sunny then Slight Chance Rain Showers
A slight chance of rain showers after 3pm. Mostly sunny, with a high near 84.
Thursday Night - 61°F
Aug 20, 2026
0 to 5 mph N
Slight Chance Rain Showers then Partly Cloudy
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 61.
Friday - 80°F
Aug 21, 2026
5 to 10 mph NE
Mostly Sunny
Mostly sunny, with a high near 80.
Friday Night - 61°F
Aug 21, 2026
0 to 10 mph NE
Partly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 1am. Partly cloudy, with a low around 61.
Saturday - 79°F
Aug 22, 2026
0 to 10 mph E
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Saturday Night - 63°F
Aug 22, 2026
5 to 10 mph E
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Sunday - 79°F
Aug 23, 2026
5 to 10 mph E
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Sunday Night - 63°F
Aug 23, 2026
5 to 10 mph S
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Monday - 82°F
Aug 24, 2026
5 to 10 mph W
Chance Rain Showers
A chance of rain showers. Mostly sunny, with a high near 82.

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