Chatham, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Jul 1 		Partly Cloudy -º / 70º 16% SW 10 mph 90%
Thu
Jul 2 		Mostly Sunny
View Hourly 		80º / 71º 24% SW 13 mph 79%
1am Partly Cloudy 71º 15% SW 10 mph 91%
2am Partly Cloudy 70º 15% SW 10 mph 91%
3am Mostly Cloudy 70º 15% SW 10 mph 91%
4am Mostly Cloudy 70º 4% SW 11 mph 90%
5am Partly Cloudy 70º 15% SW 11 mph 90%
6am Mostly Cloudy 70º 15% SW 11 mph 90%
7am Partly Cloudy 72º 18% SW 12 mph 88%
8am Partly Cloudy 74º 21% SW 10 mph 86%
9am Partly Cloudy 77º 20% SW 11 mph 81%
10am Few Showers 78º 31% SW 11 mph 78%
11am Partly Cloudy 78º 14% SW 11 mph 77%
12pm Partly Cloudy 80º 5% SW 12 mph 76%
1pm Mostly Sunny 80º 4% SW 13 mph 76%
2pm Sunny 80º 4% SW 13 mph 76%
3pm Sunny 80º 4% SW 13 mph 75%
4pm Sunny 80º 5% SW 13 mph 76%
5pm Sunny 78º 5% SW 12 mph 77%
6pm Partly Cloudy 77º 19% SW 13 mph 81%
7pm Partly Cloudy 76º 19% SW 12 mph 84%
8pm Partly Cloudy 74º 20% SW 12 mph 87%
9pm Partly Cloudy 73º 20% WSW 11 mph 90%
10pm Partly Cloudy 73º 20% WSW 11 mph 92%
11pm Partly Cloudy 72º 20% WSW 10 mph 92%
Fri
Jul 3 		Sunny
View Hourly 		91º / 74º 18% WSW 9 mph 63%
12am Partly Cloudy 72º 20% WSW 11 mph 92%
1am Mostly Cloudy 72º 20% WSW 9 mph 90%
2am Foggy 72º 20% WSW 8 mph 91%
3am Foggy 72º 20% WSW 8 mph 91%
4am Foggy 72º 20% WSW 6 mph 91%
5am Mostly Cloudy 72º 20% WSW 6 mph 90%
6am Partly Cloudy 73º 20% W 5 mph 88%
7am Partly Cloudy 76º 19% W 5 mph 82%
8am Sunny 79º 5% W 5 mph 76%
9am Sunny 82º 4% W 6 mph 70%
10am Sunny 85º 3% W 6 mph 65%
11am Sunny 87º 3% W 6 mph 60%
12pm Sunny 88º 3% WSW 7 mph 57%
1pm Sunny 89º 4% WSW 8 mph 56%
2pm Sunny 89º 3% SW 9 mph 55%
3pm Sunny 89º 2% WSW 9 mph 56%
4pm Sunny 89º 2% WSW 9 mph 56%
5pm Sunny 87º 2% WSW 8 mph 59%
6pm Sunny 86º 3% WSW 8 mph 62%
7pm Sunny 83º 16% WSW 7 mph 67%
8pm Mostly Sunny 80º 8% W 6 mph 73%
9pm Clear 79º 7% W 5 mph 73%
10pm Clear 77º 7% W 5 mph 77%
11pm Clear 77º 14% W 6 mph 77%
Sat
Jul 4 		PM Thunderstorms
View Hourly 		86º / 67º 48% WSW 9 mph 65%
12am Mostly Clear 76º 10% W 6 mph 77%
Sun
Jul 5 		Partly Cloudy 74º / 63º 13% NE 9 mph 76%
Mon
Jul 6 		Showers 72º / 63º 44% E 7 mph 77%
Tue
Jul 7 		Few Showers 72º / 64º 33% ENE 10 mph 76%
Wed
Jul 8 		Partly Cloudy 73º / 64º 19% ENE 9 mph 76%

Weather Radar for Chatham, MA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Chatham, MA

Thursday
High : 82ºF
SW wind around 10 kt, with gusts as high as 21 kt. Isolated showers and thunderstorms after 2pm. Patchy fog before 8am. Seas 1 ft or less.
Thursday Night
Low : 69ºF
SW wind 5 to 10 kt. Isolated showers and thunderstorms. Patchy fog before 9pm, then Patchy fog after 10pm. Seas 1 ft or less.
Friday
High : 92ºF
WSW wind 5 to 8 kt. Isolated showers and thunderstorms. Seas 1 ft or less.
Friday Night
Low : 70ºF
SW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Scattered showers and thunderstorms, mainly between 1am and 5am. Seas 1 ft or less.
Independence Day
High : 87ºF
W wind 5 to 8 kt. Scattered showers and thunderstorms, mainly after 10am. Seas 1 ft or less.
Saturday Night
Low : 71ºF
Variable winds 5 kt or less. Scattered showers and thunderstorms, mainly before 10pm. Seas 1 ft or less.
Sunday
High : 75ºF
Variable winds less than 5 kt becoming NNE around 6 kt in the morning. Mostly sunny. Seas 1 ft or less.
Sunday Night
Low : 68ºF
Variable winds 5 kt or less. A chance of showers. Seas 1 ft or less.
Monday
High : 76ºF
ESE wind 5 to 9 kt. A chance of showers. Seas 1 ft or less.

NOAA Buoy Data Near Chatham, MA See Map

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    Wind Speed Forecast for Chatham, MA

    ThursdayFridaySaturday
    Wind Speed (MPH) 101111131211966885
    5am9am1pm5pm9pm1am5am9am1pm5pm9pm1am
    MPH 101111131211966885
    DIR SWSWSWSWSWWSWWSWWSWWWSWWSWW

    Current Weather Conditions In Chatham, MA

    As Of: 42 minutes ago

    • 71ºF
    • 71ºF
    • 10mph
    • 0º (SW)
    • 10mph
    • Partly Cloudy
    • 10mi
    • 29.94"
    • 91%
    • 0ºF

    The weather right now in Chatham, MA is Partly Cloudy. The current temperature is 71°F, and the expected high and low for today, Thursday, July 2, 2026, are -° high temperature and 70°F low temperature. The wind is currently blowing at 10 miles per hour, and coming from the Southwest. The wind is gusting to 10 mph. With the wind and the atmosphere the temperature feels like 71° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 91 percent, and air pressure at 29.94 in. Visibility is 10 nautical miles. There are 2 current weather alert(s).

    Weather Alerts
    Heat Advisory - 2:46pm Wed Jul 1 2026

    ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY...

    WHAT: Heat index values of 95 to 105 degrees. The peak of the
    dangerous heat and humidity will be Thursday and Friday.

    WHERE: Barnstable MA and Dukes MA Counties.

    WHEN: Until 8 PM EDT Saturday.

    IMPACTS: Hot temperatures and high humidity may cause heat
    illnesses.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Drink plenty of fluids, stay in an air-conditioned room, stay out of
    the sun, and check up on relatives and neighbors.

    &&

    Small Craft Advisory - 2:41pm Wed Jul 1 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THURSDAY...

    WHAT: Southwest winds 10 to 20 kt with gusts up to 25 kt and
    seas 4 to 6 feet expected.

    WHERE: Portions of Massachusetts coastal waters and Rhode
    Island coastal waters.

    WHEN: Until 6 PM EDT Thursday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

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

    &&