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Derby, CT Marine Weather Forecast

Station NWHC3 - 8465705 - New Haven, CT

July 3, 2026 12:48 am EDT
Location: 41.283N 72.908W
Wind Direction: NNE (20°)
Wind Speed: 6.0 knots
Wind Gust: 7.0 knots
Atmospheric Pressure: 29.93 in (1013.5 mb)
Water Temperature: 75.6°F (24.2°C)


Overnight - 76°F
Jul 03, 2026
3 mph NW
Mostly Clear
Mostly clear, with a low around 76. Northwest wind around 3 mph.
Friday - 98°F
Jul 03, 2026
2 to 8 mph W
Sunny
Sunny. High near 98, with temperatures falling to around 90 in the afternoon. Heat index values as high as 100. West wind 2 to 8 mph.
Friday Night - 75°F
Jul 03, 2026
3 to 8 mph W
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 75. Heat index values as high as 95. West wind 3 to 8 mph. Chance of precipitation is 20%.
Independence Day - 94°F
Jul 04, 2026
3 to 9 mph W
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 94, with temperatures falling to around 86 in the afternoon. West wind 3 to 9 mph. Chance of precipitation is 50%.
Saturday Night - 71°F
Jul 04, 2026
5 to 8 mph NW
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71. Northwest wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Sunday - 83°F
Jul 05, 2026
6 mph NE
Mostly Sunny then Chance Rain Showers
A chance of rain showers after 2pm. Mostly sunny. High near 83, with temperatures falling to around 80 in the afternoon. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Sunday Night - 67°F
Jul 05, 2026
2 to 7 mph SE
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Monday - 75°F
Jul 06, 2026
5 to 14 mph E
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
Monday Night - 65°F
Jul 06, 2026
9 to 14 mph E
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Tuesday - 77°F
Jul 07, 2026
13 mph E
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 77. Chance of precipitation is 50%.
Tuesday Night - 66°F
Jul 07, 2026
5 to 12 mph NE
Slight Chance Rain Showers
A slight chance of rain showers before 2am. Partly cloudy, with a low around 66.
Wednesday - 80°F
Jul 08, 2026
5 to 9 mph E
Mostly Sunny then Slight Chance Rain Showers
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 80.
Wednesday Night - 68°F
Jul 08, 2026
3 to 9 mph SW
Slight Chance Rain Showers then Partly Cloudy
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 68.
Thursday - 84°F
Jul 09, 2026
3 to 8 mph SW
Mostly Sunny
Mostly sunny, with a high near 84.

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