Hyannis Harbor, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Aug 19 		Mostly Clear -º / 68º 3% WSW 4 mph 93%
Thu
Aug 20 		Mostly Sunny
View Hourly 		82º / 66º 8% WSW 8 mph 69%
2am Clear 69º 3% WSW 1 mph 92%
3am Clear 69º 3% WSW 2 mph 91%
4am Clear 69º 3% WSW 2 mph 91%
5am Mostly Clear 70º 3% WSW 4 mph 93%
6am Mostly Sunny 69º 3% WSW 3 mph 96%
7am Mostly Sunny 71º 3% W 3 mph 92%
8am Sunny 74º 2% WNW 4 mph 84%
9am Sunny 77º 4% WNW 4 mph 75%
10am Mostly Sunny 79º 2% NW 4 mph 67%
11am Mostly Sunny 80º 2% NNW 5 mph 64%
12pm Partly Cloudy 81º 2% NW 5 mph 61%
1pm Partly Cloudy 82º 4% SW 6 mph 62%
2pm Partly Cloudy 82º 4% SW 7 mph 61%
3pm Partly Cloudy 81º 1% SSW 7 mph 63%
4pm Partly Cloudy 81º 2% SSW 8 mph 64%
5pm Partly Cloudy 80º 6% SSW 8 mph 66%
6pm Partly Cloudy 78º 8% SSW 6 mph 70%
7pm Cloudy 76º 8% SW 5 mph 78%
8pm Cloudy 74º 24% SW 4 mph 82%
9pm Few Showers 73º 33% WSW 4 mph 87%
10pm Showers 71º 44% WNW 4 mph 88%
11pm Showers 70º 43% N 5 mph 90%
Fri
Aug 21 		Rain
View Hourly 		73º / 66º 71% ENE 12 mph 82%
12am Showers 69º 45% NNW 5 mph 88%
1am Showers 69º 47% N 4 mph 92%
2am Showers 68º 52% NNE 4 mph 93%
3am Showers 68º 56% NNE 5 mph 93%
4am Showers 67º 58% NNE 4 mph 92%
5am Showers 67º 59% NE 5 mph 93%
6am Showers 67º 59% ENE 6 mph 93%
7am Showers 68º 58% ENE 7 mph 91%
8am Showers 70º 57% ENE 9 mph 87%
9am Showers 71º 53% ENE 10 mph 85%
10am Rain 72º 62% ENE 10 mph 82%
11am Showers 72º 48% ENE 12 mph 79%
12pm Showers 72º 57% ENE 11 mph 78%
1pm Showers 73º 47% ENE 12 mph 77%
2pm Rain 73º 71% ENE 12 mph 77%
3pm Rain 72º 60% ENE 11 mph 79%
4pm Showers 71º 59% NE 11 mph 80%
5pm Showers 70º 59% NE 11 mph 85%
6pm Showers 70º 49% NE 11 mph 87%
7pm Showers 69º 50% NE 11 mph 90%
8pm Showers 68º 47% NE 9 mph 92%
9pm Showers 68º 48% NE 9 mph 96%
10pm Showers 67º 46% NE 9 mph 96%
11pm Showers 67º 40% ENE 8 mph 95%
Sat
Aug 22 		Rain
View Hourly 		74º / 67º 67% E 10 mph 88%
12am Showers 67º 50% ENE 8 mph 95%
1am Showers 68º 40% ENE 7 mph 95%
Sun
Aug 23 		Rain 76º / 68º 73% S 9 mph 85%
Mon
Aug 24 		Mostly Sunny 78º / 63º 24% SW 13 mph 72%
Tue
Aug 25 		Sunny 75º / 65º 4% WSW 12 mph 64%
Wed
Aug 26 		Partly Cloudy 78º / 67º 12% SW 12 mph 63%

Weather Radar for Hyannis Harbor, MA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Hyannis Harbor, MA

Thursday
High : 79ºF
Variable winds less than 5 kt becoming SW 5 to 8 kt in the morning. Sunny. Seas around 1 ft.
Thursday Night
Low : 72ºF
Variable winds 5 kt or less. A chance of showers before 11pm, then a slight chance of showers after 3am. Seas around 1 ft.
Friday
High : 75ºF
N wind 7 to 9 kt becoming E in the afternoon. A chance of showers, mainly between 7am and 1pm. Seas around 1 ft.
Friday Night
Low : 69ºF
ESE wind around 8 kt. A chance of showers. Seas around 1 ft.
Saturday
High : 75ºF
ESE wind around 11 kt. Showers likely, with thunderstorms also possible after 2pm. Seas around 2 ft.
Saturday Night
Low : 68ºF
ESE wind 5 to 7 kt becoming S after midnight. Showers likely and possibly a thunderstorm. Seas around 1 ft.
Sunday
High : 77ºF
S wind 7 to 10 kt. A chance of showers before 5pm. Seas 1 to 2 ft.
Sunday Night
Low : 70ºF
SSW wind 7 to 10 kt becoming WSW after midnight. A chance of showers. Seas around 1 ft.
Monday
High : 77ºF
W wind 7 to 11 kt becoming SW in the afternoon. Mostly sunny. Seas 1 to 2 ft.

NOAA Buoy Data Near Hyannis Harbor, MA See Map

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    Wind Speed Forecast for Hyannis Harbor, MA

    ThursdayFridaySaturday
    Wind Speed (MPH) 134764461012119
    6am10am2pm6pm10pm2am6am10am2pm6pm10pm2am
    MPH 134764461012119
    DIR WSWWSWNWSWSSWWNWNNEENEENEENENENE

    Current Weather Conditions In Hyannis Harbor, MA

    As Of: 37 minutes ago

    • 69ºF
    • 69ºF
    • 1mph
    • 0º (WSW)
    • 1mph
    • Clear
    • 2mi
    • 29.91"
    • 92%
    • 0ºF

    The weather right now in Hyannis Harbor, MA is Clear. The current temperature is 69°F, and the expected high and low for today, Thursday, August 20, 2026, are -° high temperature and 68°F low temperature. The wind is currently blowing at 1 miles per hour, and coming from the West Southwest. The wind is gusting to 1 mph. With the wind and the atmosphere the temperature feels like 69° Fahrenheit. Expected precipitation is 3 percent, with current humidity at 92 percent, and air pressure at 29.91 in. Visibility is 2.5 nautical miles. There are no current weather alert(s).