HARWICH, MA 02645 Weather Forecast & Current Conditions

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CHATHAM, MA
Current Weather

11:52 AM EDT MAY 26, 2026
Clear
70°F
Feels Like: 70°F
Dewpoint: 57°F
Rel. Hum.: 63%
Visibility: 10 miles
Wind: Variable at 6 mph
Pressure: 30.08 inches
Last 72 hours

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HARWICH, MA 02645
Weather Forecast

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THIS AFTERNOON
Sunny. Not as cool with highs in the mid 70s. North winds around 5 mph, becoming southwest with gusts up to 20 mph.
TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening.
WEDNESDAY
Partly sunny. Highs in the lower 70s. Southwest winds 10 to 15 mph.
WEDNESDAY NIGHT
Mostly cloudy. Lows in the upper 50s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming northwest after midnight.
THURSDAY
Mostly sunny. Highs in the lower 70s. North winds 5 to 10 mph with gusts up to 20 mph.
THURSDAY NIGHT AND FRIDAY
Partly cloudy. Lows in the mid 50s. Highs in the upper 60s.
FRIDAY NIGHT AND SATURDAY
Mostly cloudy. A 50 percent chance of showers. Lows in the lower 50s. Highs in the mid 60s.
SATURDAY NIGHT
Mostly cloudy with a 40 percent chance of showers. Lows in the lower 50s.
SUNDAY THROUGH MONDAY
Partly cloudy. Highs in the upper 60s. Lows in the mid 50s.

Visible Weather Satellite
HARWICH, MA 02645
Infrared Weather Satellite
HARWICH, MA 02645
NEXRAD Weather Radar
HARWICH, MA 02645

CHATHAM, MA 3 hourly weather forecast

weather forecast created  5:00 PM PDT  5/25/2026
Tuesday
26 MAY 2026
HARWICH, MA 02645 weather forecast Day 1, 0 hours 2 AM 62° 63° Mostly Cloudy 0%

0% Thunder
( 0% severe)
WNW   3 90% 59°
Low 60° HARWICH, MA 02645 weather forecast Day 1, 3 hours 5 AM 61° 62° Mostly Cloudy N   3 87% 57°
High 72° HARWICH, MA 02645 weather forecast Day 1, 6 hours 8 AM 63° 64° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 78% 56°

Partly Cloudy



HARWICH, MA 02645 weather forecast Day 1, 9 hours 11 AM 68° 68° Partly Cloudy   CALM 68% 57°
HARWICH, MA 02645 weather forecast Day 1, 12 hours 2 PM 70° 70° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   5 63% 57°
HARWICH, MA 02645 weather forecast Day 1, 15 hours 5 PM 68° 68° Partly Cloudy SW   8 65% 56°
HARWICH, MA 02645 weather forecast Day 1, 18 hours 8 PM 65° 65° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SW   7 73% 56°
HARWICH, MA 02645 weather forecast Day 1, 21 hours 11 PM 63° 63° Mostly Cloudy WSW   7 81% 57°
Wednesday
27 MAY 2026
HARWICH, MA 02645 weather forecast Day 2, 0 hours 2 AM 62° 62° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SW   7 84% 57°
Low 60° HARWICH, MA 02645 weather forecast Day 2, 3 hours 5 AM 62° 62° Mostly Cloudy SW   7 81% 56°
High 73° HARWICH, MA 02645 weather forecast Day 2, 6 hours 8 AM 65° 65° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SW   7 78% 58°

Mostly Cloudy



HARWICH, MA 02645 weather forecast Day 2, 9 hours 11 AM 70° 70° Mostly Cloudy SW   9 71% 60°
HARWICH, MA 02645 weather forecast Day 2, 12 hours 2 PM 71° 71° Mostly Cloudy 0%

0% Thunder
( 3% severe)
SW   10 71% 61°
HARWICH, MA 02645 weather forecast Day 2, 15 hours 5 PM 68° 68° Mostly Cloudy SW   10 76% 60°
HARWICH, MA 02645 weather forecast Day 2, 18 hours 8 PM 66° 66° Mostly Cloudy 7%

0% Thunder
( 14% severe)
SW   7 81% 60°
HARWICH, MA 02645 weather forecast Day 2, 21 hours 11 PM 64° 64° Mostly Cloudy WSW   6 90% 61°

CHATHAM, MA extended weather forecast

Thursday
28 MAY 2026
Friday
29 MAY 2026
Saturday
30 MAY 2026
Sunday
31 MAY 2026
Monday
1 JUN 2026
Low 56° Low 48° Low 48° Low 50° Low 52°
High 60° High 57° High 62° High 60° High 70°
HARWICH, MA 02645 weather forecast Day 3 HARWICH, MA 02645 weather forecast Day 4 HARWICH, MA 02645 weather forecast Day 5 HARWICH, MA 02645 weather forecast Day 6 HARWICH, MA 02645 weather forecast Day 7
Overcast
42% Rain
Overcast
48% Rain
Overcast
68% Rain
Mostly Cloudy
47% Rain
Partly Cloudy
18% Rain
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