Harwich Port, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Jul 29 		Showers
Close Hourly 		-º / 66º 79% ENE 9 mph 99%
7pm Few Showers 68º 31% E 9 mph 98%
8pm Showers 67º 41% E 8 mph 100%
9pm Cloudy 67º 17% ENE 6 mph 100%
10pm Cloudy 67º 18% ENE 9 mph 98%
11pm Cloudy 67º 16% ENE 9 mph 100%
Thu
Jul 30 		Rain
View Hourly 		69º / 63º 68% N 9 mph 93%
12am Cloudy 67º 19% ENE 8 mph 100%
1am Cloudy 67º 22% ENE 6 mph 100%
2am Cloudy 67º 24% ENE 5 mph 98%
3am Few Showers 67º 32% NE 4 mph 99%
4am Cloudy 67º 23% NE 4 mph 99%
5am Cloudy 67º 15% NE 4 mph 99%
6am Cloudy 67º 19% NNE 3 mph 99%
7am Cloudy 67º 21% NNE 4 mph 97%
8am Cloudy 68º 24% NNE 6 mph 96%
9am Cloudy 68º 24% NNE 6 mph 93%
10am Showers 69º 45% NNE 7 mph 91%
11am Showers 69º 41% N 7 mph 91%
12pm Showers 69º 53% N 8 mph 92%
1pm Rain 69º 69% N 8 mph 93%
2pm Rain 68º 69% N 8 mph 93%
3pm Showers 67º 54% N 8 mph 94%
4pm Rain 67º 66% N 8 mph 92%
5pm Showers 67º 52% N 9 mph 93%
6pm Showers 67º 56% N 8 mph 93%
7pm Showers 66º 41% N 8 mph 92%
8pm Cloudy 66º 19% N 7 mph 93%
9pm Cloudy 65º 19% N 6 mph 96%
10pm Cloudy 65º 16% N 7 mph 98%
11pm Cloudy 65º 17% N 7 mph 98%
Fri
Jul 31 		Partly Cloudy
View Hourly 		76º / 68º 20% NW 7 mph 76%
12am Mostly Cloudy 65º 17% N 7 mph 98%
1am Mostly Cloudy 64º 24% N 7 mph 99%
2am Mostly Cloudy 64º 21% NNW 7 mph 97%
3am Mostly Cloudy 64º 23% NNW 7 mph 97%
4am Mostly Cloudy 64º 21% NNW 7 mph 96%
5am Partly Cloudy 64º 21% NNW 7 mph 96%
6am Partly Cloudy 64º 21% NNW 7 mph 96%
7am Mostly Cloudy 66º 21% NNW 6 mph 92%
8am Partly Cloudy 69º 8% NNW 7 mph 86%
9am Partly Cloudy 71º 10% NNW 7 mph 79%
10am Mostly Cloudy 73º 16% NNW 6 mph 75%
11am Mostly Cloudy 73º 15% NNW 5 mph 74%
12pm Mostly Cloudy 74º 15% NNW 6 mph 71%
1pm Mostly Cloudy 75º 15% NNW 6 mph 71%
2pm Mostly Cloudy 75º 15% NW 6 mph 72%
3pm Partly Cloudy 74º 15% W 6 mph 74%
4pm Partly Cloudy 75º 15% W 5 mph 72%
5pm Partly Cloudy 75º 15% SW 5 mph 71%
6pm Mostly Sunny 74º 16% SW 5 mph 74%
Sat
Aug 1 		Mostly Cloudy 78º / 68º 15% SW 11 mph 79%
Sun
Aug 2 		Mostly Cloudy 77º / 70º 19% S 11 mph 79%
Mon
Aug 3 		Rain 78º / 66º 61% SW 11 mph 78%
Tue
Aug 4 		Mostly Sunny 80º / 66º 14% NW 9 mph 61%
Wed
Aug 5 		Mostly Sunny 80º / 68º 11% SW 9 mph 67%

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

This Afternoon
High : 72ºF
ESE wind around 15 kt, with gusts as high as 25 kt. Showers and possibly a thunderstorm. Patchy fog. Seas 1 ft or less.
Tonight
Low : 66ºF
ESE wind 10 to 13 kt decreasing to 5 to 8 kt after midnight. Winds could gust as high as 21 kt. Showers and thunderstorms likely before 3am, then a slight chance of showers between 3am and 4am. Patchy fog. Seas 1 ft or less.
Thursday
High : 72ºF
Variable winds less than 5 kt becoming S 5 to 7 kt in the morning. A chance of showers, mainly after 1pm. Patchy fog before 11am. Seas 1 ft or less.
Thursday Night
Low : 65ºF
N wind 5 to 7 kt. A chance of showers, mainly before 9pm. Patchy fog. Seas 1 ft or less.
Friday
High : 72ºF
N wind 7 to 9 kt. Partly sunny. Seas 1 ft or less.
Friday Night
Low : 67ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Saturday
High : 75ºF
Variable winds less than 5 kt becoming SSW 5 to 9 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Saturday Night
Low : 68ºF
SSW wind around 7 kt. Mostly cloudy. Seas 1 ft or less.
Sunday
High : 77ºF
S wind 7 to 10 kt. Partly sunny. 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

    WednesdayThursdayFriday
    Wind Speed (MPH) 994478877656
    11pm3am7am11am3pm7pm11pm3am7am11am3pm7pm
    MPH 994478877656
    DIR EENENENNENNNNNNWNNWNNWW

    Current Weather Conditions In Harwich Port, MA

    As Of: 9 minutes ago

    • 68ºF
    • 68ºF
    • 9mph
    • 0º (E)
    • 9mph
    • Few Showers
    • 4mi
    • 29.65"
    • 98%
    • 0ºF

    The weather right now in Harwich Port, MA is Few Showers. The current temperature is 68°F, and the expected high and low for today, Wednesday, July 29, 2026, are -° high temperature and 66°F low temperature. The wind is currently blowing at 9 miles per hour, and coming from the East. The wind is gusting to 9 mph. With the wind and the atmosphere the temperature feels like 68° Fahrenheit. Expected precipitation is 31 percent, with current humidity at 98 percent, and air pressure at 29.65 in. Visibility is 4 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 2:12pm Wed Jul 29 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

    WHAT: Southeast winds 15 to 25 kt with gusts up to 30 kt and
    seas 3 to 5 feet.

    WHERE: In Massachusetts coastal waters, Nantucket Sound,
    Vineyard Sound and Buzzards Bay. In Rhode Island coastal
    waters, Rhode Island Sound and Block Island Sound.

    WHEN: Until 8 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.

    &&