Westport Harbor, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Jun 17 		Mostly Sunny
Close Hourly 		71º / 61º 6% SSW 10 mph 73%
5am Mostly Clear 56º 2% SW 1 mph 95%
6am Partly Cloudy 57º 2% SSW 1 mph 95%
7am Partly Cloudy 61º 2% S 2 mph 89%
8am Partly Cloudy 65º 2% S 4 mph 79%
9am Partly Cloudy 67º 2% SSW 5 mph 73%
10am Sunny 69º 2% SSW 7 mph 68%
11am Mostly Sunny 70º 3% SSW 7 mph 67%
12pm Partly Cloudy 70º 4% S 8 mph 64%
1pm Mostly Sunny 70º 5% S 9 mph 62%
2pm Mostly Sunny 70º 1% S 10 mph 62%
3pm Sunny 70º 1% S 10 mph 61%
4pm Mostly Sunny 69º 3% S 10 mph 62%
5pm Mostly Sunny 69º 2% SSW 9 mph 63%
6pm Mostly Sunny 68º 7% S 8 mph 63%
7pm Sunny 67º 7% S 7 mph 69%
8pm Partly Cloudy 64º 12% S 6 mph 77%
9pm Partly Cloudy 63º 12% S 5 mph 82%
10pm Partly Cloudy 63º 14% S 5 mph 84%
11pm Partly Cloudy 63º 13% S 5 mph 84%
Thu
Jun 18 		PM Showers/Wind
View Hourly 		71º / 64º 33% S 22 mph 85%
12am Partly Cloudy 62º 6% SSE 5 mph 85%
1am Partly Cloudy 62º 15% SSE 5 mph 87%
2am Partly Cloudy 62º 14% SSE 6 mph 88%
3am Mostly Cloudy 62º 15% SSE 6 mph 90%
4am Cloudy 62º 8% SSE 6 mph 92%
5am Cloudy 62º 23% SSE 8 mph 91%
6am Cloudy 62º 13% SSE 8 mph 92%
7am Cloudy 64º 12% SSE 10 mph 91%
8am Cloudy 66º 17% SSE 13 mph 85%
9am Cloudy 67º 17% SSE 14 mph 84%
10am Cloudy 68º 16% SSE 16 mph 83%
11am Cloudy 69º 16% SSE 18 mph 83%
12pm Cloudy 70º 21% SSE 19 mph 81%
1pm Cloudy/Wind 71º 20% S 21 mph 80%
2pm Cloudy/Wind 71º 23% S 22 mph 84%
3pm Few Showers/Wind 70º 33% S 22 mph 85%
4pm Few Showers/Wind 70º 32% S 21 mph 89%
5pm Cloudy/Wind 70º 21% SSW 20 mph 90%
6pm Few Showers 70º 32% SSW 18 mph 89%
7pm Mostly Cloudy 70º 24% SW 17 mph 88%
8pm Mostly Cloudy 70º 19% SW 15 mph 88%
9pm Partly Cloudy 69º 10% SW 13 mph 89%
10pm Partly Cloudy 69º 15% SW 12 mph 87%
11pm Partly Cloudy 69º 15% WSW 10 mph 86%
Fri
Jun 19 		Partly Cloudy
View Hourly 		75º / 63º 4% WSW 18 mph 60%
12am Partly Cloudy 69º 9% WSW 9 mph 84%
1am Partly Cloudy 69º 6% WSW 7 mph 81%
2am Partly Cloudy 69º 5% WSW 7 mph 78%
3am Partly Cloudy 68º 5% W 7 mph 78%
4am Mostly Cloudy 67º 4% W 6 mph 79%
Sat
Jun 20 		Mostly Sunny 79º / 62º 1% W 17 mph 48%
Sun
Jun 21 		Mostly Sunny 76º / 62º 21% WSW 12 mph 55%
Mon
Jun 22 		Rain 71º / 61º 67% SSE 13 mph 74%
Tue
Jun 23 		AM Showers 75º / 61º 54% W 12 mph 70%
Wed
Jun 24 		Partly Cloudy 75º / 62º 11% WSW 11 mph 64%

Weather Radar for Westport Harbor, MA See Radar

See Radar Map

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Westport Harbor, MA

Wednesday
High : 69ºF
Variable winds less than 5 kt becoming S 5 to 9 kt in the morning. A slight chance of showers between 11am and noon. Seas 1 ft or less.
Wednesday Night
Low : 58ºF
S wind 5 to 7 kt becoming variable and less than 5 kt. Patchy fog after 10pm. Seas 1 ft or less.
Thursday
High : 70ºF
SSE wind 9 to 12 kt increasing to 15 to 18 kt in the afternoon. Winds could gust as high as 30 kt. Showers likely, with thunderstorms also possible after 5pm. Patchy fog before 2pm. Seas 1 ft or less.
Thursday Night
Low : 63ºF
SSW wind 13 to 16 kt becoming WSW 9 to 12 kt after midnight. A chance of showers and thunderstorms before 8pm. Seas 1 ft or less.
Juneteenth
High : 74ºF
SW wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Friday Night
Low : 58ºF
WSW wind 8 to 11 kt becoming W after midnight. Mostly clear. Seas 1 ft or less.
Saturday
High : 76ºF
W wind 12 to 15 kt. Sunny. Seas 1 ft or less.
Saturday Night
Low : 55ºF
W wind 8 to 10 kt. Mostly clear. Seas 1 ft or less.
Sunday
High : 74ºF
W wind 9 to 13 kt. Sunny. Seas 1 ft or less.

NOAA Buoy Data Near Westport Harbor, MA See Map

Loading Map...
Loading Buoy Data...

    Featured Local Businesses

    Concordia Company
    Cape Yachts

    Cape Yachts
    South Wharf Yacht Yard

    South Wharf Yacht Yard & Marina
    cuttyhunk noaa nautical chart

    Cuttyhunk Harbormaster
    Aerial view of Cuttyhunk Marina.

    Cuttyhunk Marina

    Becket & Company Yacht Management Newport
    Newport International Boat Show

    Newport International Boat Show
    Oldport Marine

    Oldport Marine

    Wind Speed Forecast for Westport Harbor, MA

    WednesdayThursdayFriday
    Wind Speed (MPH) 1599558142120137
    9am1pm5pm9pm1am5am9am1pm5pm9pm1am5am
    MPH 1599558142120137
    DIR SWSSWSSSWSSSESSESSESSSWSWWSW

    Current Weather Conditions In Westport Harbor, MA

    As Of: 18 minutes ago

    • 56ºF
    • 56ºF
    • 1mph
    • 0º (SW)
    • 1mph
    • Mostly Clear
    • 10mi
    • 29.84"
    • 95%
    • 0ºF

    The weather right now in Westport Harbor, MA is Mostly Clear. The current temperature is 56°F, and the expected high and low for today, Wednesday, June 17, 2026, are 71° high temperature and 61°F low temperature. The wind is currently blowing at 1 miles per hour, and coming from the Southwest. The wind is gusting to 1 mph. With the wind and the atmosphere the temperature feels like 56° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 95 percent, and air pressure at 29.84 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 3:18am Wed Jun 17 2026

    ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM THURSDAY TO 8 PM EDT FRIDAY...

    WHAT: Southwest winds 15 to 25 kt with gusts up to 30 kt and
    seas 4 to 7 feet expected.

    WHERE: Rhode Island Sound and Block Island Sound.

    WHEN: From 11 AM Thursday to 8 PM EDT Friday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&