Harwich Port, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Jun 19 		Partly Cloudy
Close Hourly 		74º / 63º 2% WSW 16 mph 63%
5am Clear 69º 1% W 7 mph 72%
6am Mostly Sunny 68º 1% W 7 mph 73%
7am Mostly Sunny 69º 1% W 8 mph 66%
8am Partly Cloudy 71º 1% W 11 mph 59%
9am Mostly Cloudy 71º 0% W 12 mph 57%
10am Mostly Cloudy 72º 0% WSW 13 mph 56%
11am Mostly Cloudy 72º 1% WSW 14 mph 58%
12pm Mostly Cloudy 72º 1% WSW 15 mph 59%
1pm Mostly Cloudy 73º 1% WSW 16 mph 57%
2pm Mostly Cloudy 73º 0% WSW 15 mph 57%
3pm Mostly Cloudy 72º 1% WSW 15 mph 58%
4pm Mostly Cloudy 73º 0% WSW 15 mph 58%
5pm Mostly Cloudy 72º 1% WSW 14 mph 60%
6pm Mostly Cloudy 72º 1% WSW 14 mph 63%
7pm Mostly Cloudy 70º 2% WSW 13 mph 67%
8pm Partly Cloudy 69º 2% WSW 12 mph 69%
9pm Clear 68º 3% WSW 11 mph 72%
10pm Clear 68º 3% W 9 mph 72%
11pm Clear 68º 3% W 9 mph 70%
Sat
Jun 20 		Mostly Sunny
View Hourly 		76º / 61º 24% WNW 15 mph 56%
12am Clear 68º 2% W 10 mph 66%
1am Clear 67º 2% W 10 mph 63%
2am Clear 66º 1% W 10 mph 64%
3am Clear 66º 1% W 11 mph 64%
4am Clear 65º 1% W 11 mph 66%
5am Clear 64º 1% W 12 mph 67%
6am Sunny 64º 2% W 13 mph 66%
7am Sunny 66º 1% W 14 mph 63%
8am Sunny 68º 1% W 15 mph 60%
9am Sunny 69º 0% W 15 mph 58%
10am Sunny 71º 0% WNW 14 mph 56%
11am Sunny 72º 0% WNW 13 mph 53%
12pm Partly Cloudy 74º 4% WNW 13 mph 51%
1pm Partly Cloudy 75º 8% WNW 13 mph 49%
2pm Partly Cloudy 75º 14% WNW 12 mph 51%
3pm Mostly Cloudy 75º 19% WNW 10 mph 53%
4pm Mostly Cloudy 72º 24% WNW 9 mph 59%
5pm Partly Cloudy 73º 19% WNW 7 mph 59%
6pm Showers 71º 40% NW 8 mph 64%
7pm Partly Cloudy 70º 24% WNW 6 mph 68%
8pm Partly Cloudy 69º 24% NW 6 mph 69%
9pm Partly Cloudy 67º 16% NW 4 mph 74%
10pm Partly Cloudy 66º 6% NW 4 mph 77%
11pm Partly Cloudy 65º 5% WNW 4 mph 79%
Sun
Jun 21 		Mostly Sunny
View Hourly 		75º / 63º 22% WSW 8 mph 64%
12am Mostly Clear 65º 6% NW 5 mph 80%
1am Clear 64º 6% WNW 5 mph 79%
2am Mostly Clear 64º 5% WNW 5 mph 80%
3am Clear 64º 5% WNW 5 mph 81%
4am Clear 62º 5% WNW 4 mph 81%
Mon
Jun 22 		Rain 71º / 66º 84% S 13 mph 78%
Tue
Jun 23 		AM Rain 74º / 64º 66% WSW 16 mph 76%
Wed
Jun 24 		Mostly Sunny 75º / 64º 5% WSW 7 mph 67%
Thu
Jun 25 		Partly Cloudy 74º / 64º 15% S 9 mph 71%
Fri
Jun 26 		Partly Cloudy 73º / 63º 24% SSE 7 mph 75%

Weather Radar for Harwich Port, MA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Harwich Port, MA

Juneteenth
High : 81ºF
WSW wind 9 to 13 kt, with gusts as high as 22 kt. Mostly sunny. Seas 1 ft or less.
Friday Night
Low : 67ºF
WSW wind 7 to 10 kt becoming W after midnight. Mostly cloudy, then gradually becoming clear. Seas 1 ft or less.
Saturday
High : 82ºF
W wind 10 to 12 kt, with gusts as high as 21 kt. Sunny. Seas 1 ft or less.
Saturday Night
Low : 65ºF
WNW wind around 6 kt. Mostly clear. Seas 1 ft or less.
Sunday
High : 80ºF
Variable winds less than 5 kt becoming SSW 5 to 7 kt in the morning. Sunny. Seas 1 ft or less.
Sunday Night
Low : 67ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Monday
High : 82ºF
Variable winds less than 5 kt becoming S 6 to 11 kt in the morning. Showers likely, mainly after 3pm. Seas 1 ft or less.
Monday Night
Low : 67ºF
S wind around 16 kt becoming SW after midnight. Winds could gust as high as 25 kt. Showers. Seas 1 ft or less.
Tuesday
High : 80ºF
WSW wind 8 to 12 kt. Showers likely. Seas 1 ft or less.

NOAA Buoy Data Near Harwich Port, MA See Map

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    Wind Speed Forecast for Harwich Port, MA

    FridaySaturdaySunday
    Wind Speed (MPH) 71216141110121513745
    9am1pm5pm9pm1am5am9am1pm5pm9pm1am5am
    MPH 71216141110121513745
    DIR WWWSWWSWWSWWWWWNWWNWNWWNW

    Current Weather Conditions In Harwich Port, MA

    As Of: 20 minutes ago

    • 69ºF
    • 69ºF
    • 7mph
    • 0º (W)
    • 7mph
    • Clear
    • 10mi
    • 29.57"
    • 72%
    • 0ºF

    The weather right now in Harwich Port, MA is Clear. The current temperature is 69°F, and the expected high and low for today, Friday, June 19, 2026, are 74° high temperature and 63°F low temperature. The wind is currently blowing at 7 miles per hour, and coming from the West. The wind is gusting to 7 mph. With the wind and the atmosphere the temperature feels like 69° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 72 percent, and air pressure at 29.57 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 3:56am Fri Jun 19 2026

    ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING...

    WHAT: Southwest winds 15 to 20 kt with gusts up to 25 kt and
    seas 3 to 5 feet expected.

    WHERE: Nantucket Sound, Vineyard Sound and Buzzards Bay.

    WHEN: From noon today to 7 PM EDT this evening.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

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

    &&