Chatham, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Jul 22 		Cloudy
Close Hourly 		-º / 64º 19% WNW 14 mph 90%
6pm Cloudy 72º 15% SW 14 mph 94%
7pm Cloudy 72º 15% SW 13 mph 95%
8pm Mostly Cloudy 71º 15% SW 12 mph 99%
9pm Mostly Cloudy 71º 15% SW 11 mph 97%
10pm Mostly Cloudy 71º 17% SW 10 mph 96%
11pm Mostly Cloudy 71º 5% SW 7 mph 98%
Thu
Jul 23 		Mostly Sunny
View Hourly 		73º / 58º 10% NNE 9 mph 58%
12am Partly Cloudy 70º 6% W 6 mph 98%
1am Partly Cloudy 69º 7% NW 3 mph 92%
2am Mostly Cloudy 69º 6% N 4 mph 84%
3am Mostly Cloudy 68º 9% N 3 mph 78%
4am Cloudy 66º 5% N 3 mph 77%
5am Cloudy 66º 18% N 4 mph 77%
6am Cloudy 65º 19% N 4 mph 78%
7am Cloudy 67º 10% N 5 mph 74%
8am Mostly Cloudy 68º 7% N 7 mph 70%
9am Mostly Cloudy 69º 5% N 8 mph 64%
10am Partly Cloudy 69º 2% N 9 mph 61%
11am Partly Cloudy 70º 1% N 9 mph 58%
12pm Partly Cloudy 71º 1% N 8 mph 55%
1pm Mostly Sunny 71º 1% N 8 mph 54%
2pm Partly Cloudy 72º 0% NNE 7 mph 52%
3pm Mostly Sunny 72º 0% NNE 6 mph 50%
4pm Mostly Sunny 72º 0% NE 5 mph 50%
5pm Sunny 72º 0% NE 4 mph 51%
6pm Mostly Sunny 71º 1% NE 3 mph 53%
7pm Sunny 70º 2% E 2 mph 58%
8pm Sunny 68º 3% E 1 mph 65%
9pm Clear 66º 3% SE 1 mph 71%
10pm Clear 65º 3% S 1 mph 77%
11pm Clear 64º 4% SSW 1 mph 81%
Fri
Jul 24 		Sunny
View Hourly 		75º / 60º 5% E 5 mph 57%
12am Clear 64º 4% SW 1 mph 82%
1am Clear 63º 4% NW 0 mph 83%
2am Clear 62º 5% WNW 0 mph 85%
3am Clear 61º 6% N 0 mph 89%
4am Clear 60º 6% NNW 0 mph 92%
5am Clear 59º 6% N 0 mph 93%
6am Sunny 60º 6% NNE 0 mph 93%
7am Sunny 65º 5% NE 0 mph 81%
8am Sunny 69º 3% NNE 0 mph 72%
9am Sunny 72º 2% NE 1 mph 63%
10am Sunny 73º 1% ENE 2 mph 58%
11am Sunny 74º 0% E 3 mph 53%
12pm Sunny 75º 0% E 4 mph 50%
1pm Sunny 75º 0% E 5 mph 49%
2pm Sunny 75º 0% E 5 mph 51%
3pm Sunny 75º 0% E 5 mph 50%
4pm Sunny 74º 0% E 5 mph 52%
5pm Sunny 73º 0% E 4 mph 53%
Sat
Jul 25 		Mostly Sunny 74º / 61º 4% ENE 7 mph 62%
Sun
Jul 26 		Partly Cloudy 73º / 62º 9% NE 7 mph 67%
Mon
Jul 27 		Partly Cloudy 73º / 64º 24% NE 8 mph 70%
Tue
Jul 28 		Showers 75º / 66º 38% SSE 11 mph 74%
Wed
Jul 29 		Few Showers 75º / 65º 40% ESE 10 mph 77%

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

This Afternoon
High : 76ºF
SW wind around 16 kt, with gusts as high as 26 kt. Partly sunny. Seas 1 ft or less.
Tonight
Low : 66ºF
SW wind 11 to 14 kt becoming W 5 to 8 kt after midnight. Winds could gust as high as 22 kt. A chance of showers, mainly between midnight and 5am. Seas 1 ft or less.
Thursday
High : 72ºF
N wind 6 to 9 kt becoming NE in the afternoon. Partly sunny. Seas 1 ft or less.
Thursday Night
Low : 60ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Friday
High : 73ºF
Variable winds less than 5 kt becoming ENE around 6 kt in the afternoon. Sunny. Seas 1 ft or less.
Friday Night
Low : 66ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Saturday
High : 72ºF
Variable winds less than 5 kt becoming ENE 5 to 8 kt in the morning. Mostly sunny. Seas 1 ft or less.
Saturday Night
Low : 66ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Sunday
High : 74ºF
NE wind 5 to 7 kt. Partly sunny. Seas 1 ft or less.

NOAA Buoy Data Near Chatham, MA See Map

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    Wind Speed Forecast for Chatham, MA

    WednesdayThursdayFriday
    Wind Speed (MPH) 14104497310025
    10pm2am6am10am2pm6pm10pm2am6am10am2pm6pm
    MPH 14104497310025
    DIR SWSWNNNNNENESWNWNNEENEE

    Current Weather Conditions In Chatham, MA

    As Of: 18 minutes ago

    • 72ºF
    • 72ºF
    • 14mph
    • 0º (SW)
    • 24mph
    • Cloudy
    • 7mi
    • 29.79"
    • 94%
    • 0ºF

    The weather right now in Chatham, MA is Cloudy. The current temperature is 72°F, and the expected high and low for today, Wednesday, July 22, 2026, are -° high temperature and 64°F low temperature. The wind is currently blowing at 14 miles per hour, and coming from the Southwest. The wind is gusting to 24 mph. With the wind and the atmosphere the temperature feels like 72° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 94 percent, and air pressure at 29.79 in. Visibility is 7 nautical miles. There are 2 current weather alert(s).

    Weather Alerts
    High Surf Advisory - 1:46pm Wed Jul 22 2026

    ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THURSDAY...

    WHAT: Large breaking waves of 4 to 9 feet in the surf zone.

    WHERE: In Rhode Island, Washington and Newport Counties. In
    Massachusetts, Barnstable, Dukes, Nantucket, Southern Bristol
    and Southern Plymouth Counties.

    WHEN: Until 8 PM EDT Thursday.

    IMPACTS: Dangerous swimming and surfing conditions and
    localized beach erosion.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced swimmers should remain out of the water due to
    dangerous surf conditions.

    &&

    Small Craft Advisory - 1:39pm Wed Jul 22 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT THURSDAY...

    WHAT: Southwest winds 10 to 20 kt with gusts up to 25 kt and
    seas 3 to 5 feet.

    WHERE: Nantucket Sound, Vineyard Sound and Buzzards Bay.

    WHEN: Until 2 AM 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.

    &&