Deer Island, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Jul 3
Clear -º / 78º 1% W 9 mph 64%
Sat
Jul 4
PM Showers
View Hourly
92º / 70º 45% WNW 12 mph 52%
3am Clear 82º 1% WNW 9 mph 62%
4am Clear 81º 1% W 9 mph 64%
5am Clear 79º 1% W 8 mph 68%
6am Sunny 78º 1% W 8 mph 72%
7am Sunny 80º 1% W 8 mph 68%
8am Sunny 82º 1% W 8 mph 64%
9am Sunny 83º 1% WNW 9 mph 60%
10am Mostly Sunny 86º 1% WNW 10 mph 54%
11am Partly Cloudy 89º 1% WNW 9 mph 50%
12pm Partly Cloudy 90º 15% WNW 11 mph 47%
1pm Partly Cloudy 91º 15% WNW 11 mph 45%
2pm Partly Cloudy 91º 15% WNW 12 mph 44%
3pm Cloudy 90º 15% WNW 11 mph 44%
4pm Showers 90º 42% WNW 10 mph 44%
5pm Showers 86º 45% NW 12 mph 55%
6pm Mostly Cloudy 86º 18% WNW 8 mph 51%
7pm Mostly Cloudy 84º 13% WNW 8 mph 56%
8pm Mostly Cloudy 82º 15% NW 7 mph 62%
9pm Mostly Cloudy 80º 15% NW 6 mph 65%
10pm Few Showers 79º 33% NW 7 mph 68%
11pm Cloudy 77º 16% NW 6 mph 66%
Sun
Jul 5
Partly Cloudy
View Hourly
77º / 67º 7% E 10 mph 58%
12am Cloudy 76º 15% NNW 7 mph 66%
1am Mostly Cloudy 76º 15% NNW 7 mph 64%
2am Mostly Cloudy 74º 2% N 6 mph 65%
3am Mostly Cloudy 73º 2% N 6 mph 66%
4am Mostly Cloudy 72º 2% N 5 mph 68%
5am Mostly Cloudy 71º 3% N 5 mph 71%
6am Mostly Cloudy 71º 3% N 5 mph 70%
7am Partly Cloudy 73º 2% NNE 5 mph 65%
8am Mostly Cloudy 74º 1% NNE 5 mph 62%
9am Partly Cloudy 74º 1% NE 5 mph 60%
10am Partly Cloudy 75º 1% ENE 6 mph 56%
11am Mostly Cloudy 76º 1% E 7 mph 54%
12pm Mostly Cloudy 76º 1% E 8 mph 55%
1pm Partly Cloudy 77º 1% E 9 mph 54%
2pm Partly Cloudy 76º 1% E 9 mph 55%
3pm Partly Cloudy 76º 2% ESE 10 mph 56%
4pm Partly Cloudy 75º 2% ESE 10 mph 56%
5pm Partly Cloudy 75º 5% ESE 10 mph 57%
6pm Partly Cloudy 74º 8% ESE 9 mph 60%
7pm Mostly Cloudy 73º 5% ESE 8 mph 62%
8pm Mostly Cloudy 72º 4% SE 7 mph 64%
9pm Mostly Cloudy 72º 6% SE 7 mph 65%
10pm Cloudy 72º 6% SE 7 mph 68%
11pm Mostly Cloudy 71º 7% SSE 5 mph 72%
Mon
Jul 6
PM Showers
View Hourly
72º / 64º 52% E 11 mph 73%
12am Mostly Cloudy 70º 7% SSE 5 mph 75%
1am Cloudy 70º 8% SSE 4 mph 76%
2am Cloudy 70º 8% SSE 4 mph 76%
Tue
Jul 7
Rain 69º / 64º 85% ENE 14 mph 84%
Wed
Jul 8
Partly Cloudy 75º / 67º 24% NE 8 mph 77%
Thu
Jul 9
Partly Cloudy 87º / 72º 7% SW 11 mph 62%
Fri
Jul 10
Scattered Thunderstorms 83º / 70º 44% WSW 10 mph 66%

Weather Radar for Deer Island, MA See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Deer Island, MA

Independence Day
High : 93ºF
W wind 7 to 9 kt. A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Saturday Night
Low : 70ºF
NW wind 6 to 8 kt. A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Seas 1 ft or less.
Sunday
High : 75ºF
NNE wind 6 to 9 kt becoming E in the afternoon. Mostly sunny. Seas 1 ft or less.
Sunday Night
Low : 65ºF
SE wind 5 to 7 kt becoming variable and less than 5 kt. Mostly cloudy. Seas 1 ft or less.
Monday
High : 77ºF
Variable winds less than 5 kt becoming SE 5 to 9 kt in the morning. A chance of showers, mainly after 10am. Seas 1 ft or less.
Monday Night
Low : 63ºF
ESE wind around 9 kt. Showers likely, with thunderstorms also possible after 2am. Seas 1 ft or less.
Tuesday
High : 68ºF
E wind 10 to 12 kt. Showers likely, with thunderstorms also possible after 2pm. Seas 1 ft or less.
Tuesday Night
Low : 64ºF
E wind 7 to 10 kt becoming NNE after midnight. A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 1am. Seas 1 ft or less.
Wednesday
High : 72ºF
N wind around 7 kt becoming E in the afternoon. Partly sunny. Seas 1 ft or less.

NOAA Buoy Data Near Deer Island, MA See Map

Loading Map...
Loading Buoy Data...

    Wind Speed Forecast for Deer Island, MA

    SaturdaySundayMonday
    Wind Speed (MPH) 98911866571085
    7am11am3pm7pm11pm3am7am11am3pm7pm11pm3am
    MPH 98911866571085
    DIR WNWWWNWWNWWNWNWNNNEEESEESESSE

    Current Weather Conditions In Deer Island, MA

    As Of: 13 minutes ago

    • 82ºF
    • 85ºF
    • 9mph
    • 0º (WNW)
    • 9mph
    • Clear
    • 10mi
    • 29.83"
    • 62%
    • 0ºF

    The weather right now in Deer Island, MA is Clear. The current temperature is 82°F, and the expected high and low for today, Saturday, July 4, 2026, are -° high temperature and 78°F low temperature. The wind is currently blowing at 9 miles per hour, and coming from the West Northwest. The wind is gusting to 9 mph. With the wind and the atmosphere the temperature feels like 85° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 62 percent, and air pressure at 29.83 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Heat Advisory - 2:22am Sat Jul 4 2026

    ...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...EXTREME HEAT WARNING IS CANCELLED...

    WHAT: Heat index values 95 to 102 degrees.

    WHERE: All of southern New England except Nantucket.

    WHEN: Until 8 PM EDT this evening.

    IMPACTS: Hot temperatures and high humidity may cause heat
    illnesses.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Drink plenty of fluids, stay in an air-conditioned room, stay out of
    the sun, and check up on relatives and neighbors.

    &&