Dennis Port, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Jul 3 		Sunny
Close Hourly 		90º / 75º 1% WSW 10 mph 62%
3pm Sunny 88º 1% WSW 11 mph 64%
4pm Sunny 88º 1% SW 10 mph 63%
5pm Sunny 86º 1% WSW 9 mph 63%
6pm Sunny 86º 1% WSW 8 mph 59%
7pm Sunny 86º 2% WSW 8 mph 59%
8pm Sunny 84º 2% W 8 mph 61%
9pm Clear 83º 4% W 8 mph 63%
10pm Clear 82º 7% W 7 mph 66%
11pm Clear 80º 5% W 7 mph 71%
Sat
Jul 4 		Mostly Sunny
View Hourly 		87º / 68º 15% W 9 mph 64%
12am Partly Cloudy 79º 5% W 7 mph 73%
1am Partly Cloudy 79º 5% W 5 mph 71%
2am Mostly Clear 78º 9% W 5 mph 74%
3am Mostly Clear 77º 9% W 4 mph 74%
4am Clear 76º 4% NW 4 mph 75%
5am Clear 76º 4% NW 4 mph 76%
6am Sunny 76º 4% NW 4 mph 77%
7am Sunny 78º 4% NW 6 mph 77%
8am Sunny 81º 3% NW 7 mph 72%
9am Sunny 83º 2% NW 8 mph 65%
10am Sunny 85º 1% NW 8 mph 61%
11am Sunny 86º 1% NW 8 mph 58%
12pm Mostly Sunny 87º 15% WNW 8 mph 56%
1pm Partly Cloudy 86º 15% W 8 mph 59%
2pm Partly Cloudy 86º 15% SW 8 mph 60%
3pm Partly Cloudy 85º 15% SW 8 mph 64%
4pm Partly Cloudy 84º 15% SW 8 mph 65%
5pm Partly Cloudy 83º 15% SW 8 mph 66%
6pm Partly Cloudy 83º 15% WSW 8 mph 68%
7pm Mostly Cloudy 81º 12% WSW 7 mph 72%
8pm Cloudy 79º 24% W 7 mph 76%
9pm Showers 77º 35% NW 6 mph 78%
10pm Cloudy 76º 21% NNW 5 mph 81%
11pm Mostly Cloudy 75º 24% NNW 5 mph 82%
Sun
Jul 5 		Partly Cloudy
View Hourly 		79º / 65º 10% ENE 6 mph 57%
12am Cloudy 74º 20% N 5 mph 83%
1am Cloudy 73º 21% N 4 mph 83%
2am Cloudy 72º 21% N 4 mph 84%
3am Mostly Cloudy 71º 10% N 4 mph 85%
4am Mostly Cloudy 70º 9% N 4 mph 81%
5am Partly Cloudy 69º 11% NNE 3 mph 78%
6am Partly Cloudy 69º 9% NNE 4 mph 77%
7am Partly Cloudy 72º 7% NNE 4 mph 72%
8am Partly Cloudy 74º 6% NNE 5 mph 67%
9am Partly Cloudy 76º 10% NE 6 mph 59%
10am Partly Cloudy 77º 10% NE 6 mph 56%
11am Partly Cloudy 77º 9% NE 6 mph 57%
12pm Partly Cloudy 78º 9% ENE 6 mph 53%
1pm Partly Cloudy 79º 9% ENE 6 mph 52%
2pm Partly Cloudy 78º 7% ENE 6 mph 52%
Mon
Jul 6 		Rain 73º / 65º 70% ESE 12 mph 71%
Tue
Jul 7 		Rain 74º / 64º 88% E 11 mph 84%
Wed
Jul 8 		Partly Cloudy 73º / 66º 24% N 11 mph 78%
Thu
Jul 9 		Partly Cloudy 79º / 69º 10% SW 12 mph 76%
Fri
Jul 10 		AM Showers 79º / 69º 32% SW 11 mph 78%

Weather Radar for Dennis Port, MA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Dennis Port, MA

This Afternoon
High : 86ºF
SW wind around 8 kt. Sunny. Seas around 1 ft.
Tonight
Low : 74ºF
W wind 7 to 9 kt. Scattered showers and thunderstorms, mainly before 4am. Seas 1 to 2 ft.
Independence Day
High : 84ºF
W wind around 8 kt. Isolated showers and thunderstorms before 10am, then scattered showers and thunderstorms after 2pm. Seas around 1 ft.
Saturday Night
Low : 70ºF
WSW wind 5 to 7 kt becoming N after midnight. Scattered showers and thunderstorms, mainly before midnight. Seas around 1 ft.
Sunday
High : 78ºF
NNE wind around 6 kt becoming E in the afternoon. Sunny. Seas around 1 ft.
Sunday Night
Low : 68ºF
Variable winds 5 kt or less. A slight chance of showers after 2am. Seas around 1 ft.
Monday
High : 76ºF
Variable winds less than 5 kt becoming SE 5 to 8 kt in the morning. A chance of showers after 9am. Seas around 1 ft.
Monday Night
Low : 67ºF
ESE wind around 7 kt. A chance of showers before 2am, then a chance of showers and thunderstorms between 2am and 4am, then showers likely and possibly a thunderstorm after 4am. Seas around 1 ft.
Tuesday
High : 78ºF
E wind 9 to 11 kt. Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 2pm, then a chance of showers after 2pm. Seas around 2 ft.

NOAA Buoy Data Near Dennis Port, MA See Map

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    Wind Speed Forecast for Dennis Port, MA

    FridaySaturdaySunday
    Wind Speed (MPH) 1187468875446
    7pm11pm3am7am11am3pm7pm11pm3am7am11am3pm
    MPH 1187468875446
    DIR WSWWSWWWNWNWSWWSWNNWNNNENE

    Current Weather Conditions In Dennis Port, MA

    As Of: 47 minutes ago

    • 88ºF
    • 99ºF
    • 11mph
    • 0º (WSW)
    • 19mph
    • Sunny
    • 10mi
    • 29.84"
    • 64%
    • 0ºF

    The weather right now in Dennis Port, MA is Sunny. The current temperature is 88°F, and the expected high and low for today, Friday, July 3, 2026, are 90° high temperature and 75°F low temperature. The wind is currently blowing at 11 miles per hour, and coming from the West Southwest. The wind is gusting to 19 mph. With the wind and the atmosphere the temperature feels like 99° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 64 percent, and air pressure at 29.84 in. Visibility is 10 nautical miles. There are 2 current weather alert(s).

    Weather Alerts
    Heat Advisory - 3:10am Fri Jul 3 2026

    ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY...

    WHAT: Heat index values between 95 and 105 degrees.

    WHERE: Barnstable MA and Dukes MA Counties.

    WHEN: Until 8 PM EDT Saturday.

    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.

    &&

    Air Quality Alert - 1:34am Fri Jul 3 2026

    ...AIR QUALITY ALERT IN EFFECT FROM 11 AM THIS MORNING TO 11 PM EDT THIS EVENING...

    The Massachusetts Department of Environmental Protection has issued
    an Air Quality Alert for Ground Level Ozone, from 11 AM this morning
    to 11 PM EDT this evening.

    An Air Quality Alert day means that Ground Level Ozone
    concentrations within the region may approach or exceed levels that
    are Unhealthy for Sensitive Groups.

    Air is unhealthy for sensitive children and adults, such as those
    with asthma, lung or heart disease, and older adults. Sensitive
    children and adults should limit prolonged outdoor activity.

    For additional information, please visit the Massachusetts
    Department of Environmental Protection website at:
    https://mass.gov/dep/massair/forecast