Nearby Harbors
42.3483’ N, 70.9600’ W

Deer Island, MA

74°
H 74°
L 62°
NNW
7mph
Low tide
2:18 pm
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Deer Island, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Sep 7 		Sunny
Close Hourly 		74º / 62º 1% NNW 8 mph 51%
12pm Mostly Sunny 74º 0% NNW 7 mph 47%
1pm Mostly Sunny 74º 0% NNW 6 mph 47%
2pm Mostly Sunny 75º 0% N 6 mph 44%
3pm Sunny 75º 0% N 8 mph 46%
4pm Sunny 75º 0% NNW 8 mph 46%
5pm Sunny 75º 0% NNW 9 mph 46%
6pm Sunny 74º 0% NNW 8 mph 47%
7pm Sunny 72º 0% NW 7 mph 52%
8pm Clear 71º 0% NW 8 mph 54%
9pm Clear 70º 1% NW 8 mph 56%
10pm Clear 68º 1% NW 8 mph 57%
11pm Clear 67º 1% NW 8 mph 60%
Tue
Sep 8 		Partly Cloudy
View Hourly 		75º / 63º 5% N 9 mph 62%
12am Mostly Clear 66º 2% WNW 8 mph 63%
1am Mostly Clear 65º 2% WNW 7 mph 65%
2am Partly Cloudy 64º 2% WNW 8 mph 68%
3am Partly Cloudy 63º 3% W 8 mph 68%
4am Mostly Cloudy 63º 3% W 8 mph 69%
5am Mostly Cloudy 63º 3% W 8 mph 70%
6am Mostly Cloudy 63º 3% W 9 mph 69%
7am Mostly Cloudy 64º 3% W 9 mph 68%
8am Mostly Cloudy 65º 2% WNW 8 mph 66%
9am Cloudy 67º 2% WNW 9 mph 64%
10am Mostly Cloudy 70º 2% WNW 8 mph 60%
11am Mostly Cloudy 72º 2% NW 8 mph 57%
12pm Partly Cloudy 73º 1% NNW 8 mph 56%
1pm Partly Cloudy 73º 1% N 8 mph 56%
2pm Partly Cloudy 74º 1% NE 9 mph 56%
3pm Partly Cloudy 74º 4% NE 9 mph 59%
4pm Partly Cloudy 72º 6% E 9 mph 65%
5pm Mostly Cloudy 71º 5% ESE 9 mph 68%
6pm Mostly Cloudy 70º 4% ESE 7 mph 71%
7pm Partly Cloudy 69º 4% SE 6 mph 73%
8pm Partly Cloudy 68º 5% SE 6 mph 75%
9pm Mostly Cloudy 67º 5% SE 5 mph 75%
10pm Mostly Cloudy 66º 6% SSE 5 mph 77%
11pm Mostly Cloudy 66º 6% SSE 4 mph 77%
Wed
Sep 9 		Cloudy
View Hourly 		77º / 70º 11% SSE 15 mph 71%
12am Partly Cloudy 65º 6% SSE 4 mph 80%
1am Mostly Cloudy 65º 7% SE 3 mph 81%
2am Mostly Cloudy 65º 7% SSE 4 mph 83%
3am Cloudy 64º 7% SSE 3 mph 83%
4am Cloudy 64º 6% SE 3 mph 84%
5am Cloudy 64º 15% ESE 3 mph 83%
6am Cloudy 64º 7% SE 4 mph 84%
7am Cloudy 64º 7% ESE 4 mph 87%
8am Cloudy 65º 6% ESE 4 mph 84%
9am Mostly Cloudy 67º 10% SE 4 mph 81%
10am Cloudy 69º 12% SSE 5 mph 77%
11am Cloudy 71º 4% SSE 7 mph 73%
Thu
Sep 10 		Partly Cloudy 83º / 64º 24% WSW 16 mph 64%
Fri
Sep 11 		Sunny 74º / 56º 1% NW 10 mph 49%
Sat
Sep 12 		Sunny 72º / 60º 3% E 11 mph 59%
Sun
Sep 13 		Partly Cloudy 77º / 64º 20% SSW 12 mph 68%
Mon
Sep 14 		Partly Cloudy 74º / 61º 15% N 11 mph 61%

Weather Radar for Deer Island, MA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Deer Island, MA

Labor Day
High : 74ºF
NNW wind 5 to 9 kt becoming variable and less than 5 kt. Sunny. Seas 1 ft or less.
Tonight
Low : 64ºF
WNW wind around 7 kt. Mostly clear. Seas 1 ft or less.
Tuesday
High : 75ºF
W wind 5 to 7 kt becoming NW in the afternoon. Sunny. Seas 1 ft or less.
Tuesday Night
Low : 64ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Wednesday
High : 75ºF
Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Partly sunny. Seas 1 ft or less.
Wednesday Night
Low : 70ºF
SSW wind 11 to 13 kt, with gusts as high as 20 kt. A chance of showers after 2am. Seas 1 ft or less.
Thursday
High : 79ºF
SW wind around 13 kt, with gusts as high as 22 kt. A chance of showers before 2pm, then a chance of showers after 4pm. Seas 1 ft or less.
Thursday Night
Low : 65ºF
W wind 9 to 11 kt. A chance of showers. Seas 1 ft or less.
Friday
High : 71ºF
NW wind around 9 kt. Sunny. Seas 1 ft or less.

NOAA Buoy Data Near Deer Island, MA See Map

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    Constitution Marina with downtown Boston in the background.

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    Wind Speed Forecast for Deer Island, MA

    MondayTuesdayWednesday
    Wind Speed (MPH) 788888896434
    4pm8pm12am4am8am12pm4pm8pm12am4am8am12pm
    MPH 788888896434
    DIR NNWNNWNWWNWWWNWNNWESESSESEESE

    Current Weather Conditions In Deer Island, MA

    As Of: 35 minutes ago

    • 74ºF
    • 74ºF
    • 7mph
    • 0º (NNW)
    • 7mph
    • Mostly Sunny
    • 10mi
    • 30.05"
    • 47%
    • 0ºF

    The weather right now in Deer Island, MA is Mostly Sunny. The current temperature is 74°F, and the expected high and low for today, Monday, September 7, 2026, are 74° high temperature and 62°F low temperature. The wind is currently blowing at 7 miles per hour, and coming from the North Northwest. The wind is gusting to 7 mph. With the wind and the atmosphere the temperature feels like 74° Fahrenheit. Expected precipitation is 0 percent, with current humidity at 47 percent, and air pressure at 30.05 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Rip Current Statement - 4:39am Mon Sep 7 2026

    ...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING...

    WHAT: Dangerous rip currents.

    WHERE: Eastern Essex MA, Southeast Middlesex MA, Suffolk MA,
    Eastern Plymouth MA, Barnstable MA, Dukes MA and Nantucket MA
    Counties.

    WHEN: Through this evening.

    IMPACTS: Rip currents can sweep even the best swimmers away
    from shore into deeper water.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Swim near a lifeguard. If caught in a rip current, relax and
    float. Don't swim against the current. If able, swim in a
    direction following the shoreline. If unable to escape, face the
    shore and call or wave for help.

    &&

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