Westport Harbor, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Jun 17 		Partly Cloudy
Close Hourly 		71º / 60º 6% SSW 10 mph 74%
4am Partly Cloudy 57º 2% SW 2 mph 94%
5am Partly Cloudy 57º 2% SW 1 mph 95%
6am Partly Cloudy 58º 2% SSW 1 mph 94%
7am Cloudy 62º 2% S 3 mph 87%
8am Partly Cloudy 65º 2% S 4 mph 78%
9am Partly Cloudy 67º 2% SSW 5 mph 73%
10am Sunny 69º 3% SSW 7 mph 68%
11am Sunny 70º 6% S 7 mph 66%
12pm Sunny 71º 5% S 8 mph 62%
1pm Sunny 71º 3% S 9 mph 59%
2pm Sunny 71º 1% S 10 mph 60%
3pm Sunny 71º 1% S 10 mph 59%
4pm Sunny 70º 1% S 9 mph 60%
5pm Sunny 69º 2% SSW 9 mph 60%
6pm Mostly Sunny 69º 5% S 8 mph 63%
7pm Sunny 67º 9% S 7 mph 69%
8pm Partly Cloudy 65º 13% S 6 mph 77%
9pm Partly Cloudy 63º 13% S 5 mph 83%
10pm Mostly Cloudy 63º 14% S 5 mph 84%
11pm Mostly Cloudy 63º 13% SSE 4 mph 84%
Thu
Jun 18 		PM Showers/Wind
View Hourly 		71º / 64º 49% S 22 mph 86%
12am Mostly Cloudy 63º 6% SSE 5 mph 84%
1am Partly Cloudy 62º 14% SSE 5 mph 87%
2am Mostly Cloudy 62º 14% SSE 5 mph 88%
3am Cloudy 62º 15% SSE 6 mph 89%
4am Cloudy 61º 9% SSE 6 mph 93%
5am Showers 62º 38% SSE 7 mph 91%
6am Cloudy 62º 16% SSE 8 mph 91%
7am Cloudy 64º 15% SSE 9 mph 90%
8am Cloudy 65º 22% SSE 11 mph 86%
9am Cloudy 67º 24% SSE 13 mph 84%
10am Cloudy 67º 17% SSE 15 mph 85%
11am Mostly Cloudy 69º 16% SSE 17 mph 83%
12pm Cloudy 70º 19% SSE 19 mph 83%
1pm Showers/Wind 71º 42% SSE 20 mph 81%
2pm Showers/Wind 70º 44% S 21 mph 85%
3pm Showers/Wind 70º 50% S 22 mph 87%
4pm Few Showers/Wind 70º 32% S 20 mph 89%
5pm Showers 69º 43% SSW 19 mph 93%
6pm Showers 70º 44% SSW 18 mph 90%
7pm Cloudy 69º 24% SSW 17 mph 90%
8pm Mostly Cloudy 69º 17% SW 15 mph 92%
9pm Mostly Cloudy 69º 12% SW 13 mph 92%
10pm Partly Cloudy 69º 16% SW 12 mph 90%
11pm Partly Cloudy 69º 14% SW 10 mph 86%
Fri
Jun 19 		Partly Cloudy
View Hourly 		76º / 62º 5% WSW 18 mph 60%
12am Partly Cloudy 68º 7% WSW 9 mph 87%
1am Partly Cloudy 68º 7% WSW 8 mph 86%
2am Partly Cloudy 68º 6% WSW 7 mph 83%
3am Partly Cloudy 67º 6% WSW 7 mph 84%
Sat
Jun 20 		Mostly Sunny 78º / 62º 1% W 17 mph 49%
Sun
Jun 21 		Mostly Sunny 77º / 61º 24% W 12 mph 53%
Mon
Jun 22 		Rain 72º / 62º 65% S 12 mph 71%
Tue
Jun 23 		AM Showers 76º / 61º 62% WNW 12 mph 70%
Wed
Jun 24 		Partly Cloudy 76º / 61º 17% WSW 11 mph 62%

Weather Radar for Westport Harbor, MA See Radar

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* 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

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    Wind Speed Forecast for Westport Harbor, MA

    WednesdayThursdayFriday
    Wind Speed (MPH) 2489656111920159
    8am12pm4pm8pm12am4am8am12pm4pm8pm12am4am
    MPH 2489656111920159
    DIR SWSSSSSSESSESSESSESSWWSW

    Current Weather Conditions In Westport Harbor, MA

    As Of: 6 minutes ago

    • 57ºF
    • 57ºF
    • 2mph
    • 0º (SW)
    • 2mph
    • Partly Cloudy
    • 10mi
    • 29.83"
    • 94%
    • 0ºF

    The weather right now in Westport Harbor, MA is Partly Cloudy. The current temperature is 57°F, and the expected high and low for today, Wednesday, June 17, 2026, are 71° high temperature and 60°F low temperature. The wind is currently blowing at 2 miles per hour, and coming from the Southwest. The wind is gusting to 2 mph. With the wind and the atmosphere the temperature feels like 57° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 94 percent, and air pressure at 29.83 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.

    &&