HARWICH, MA 02645 Weather Forecast & Current Conditions

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CHATHAM, MA
Current Weather

1:52 PM EDT AUG 25, 2025
Broken Clouds
75°F
Feels Like: 75°F
Dewpoint: 66°F
Rel. Hum.: 74%
Visibility: 10 miles
Wind: Variable at 5 mph
Pressure: 29.78 inches
Last 72 hours

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HARWICH, MA 02645
Weather Forecast

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THIS AFTERNOON
Mostly sunny. Near steady temperature in the lower 70s. Southeast winds 5 to 10 mph with gusts up to 20 mph.
TONIGHT
Partly cloudy in the evening, then clearing. Lows in the lower 60s. West winds 5 to 10 mph with gusts up to 25 mph.
TUESDAY
Sunny. Highs in the mid 70s. West winds 10 to 15 mph with gusts up to 25 mph.
TUESDAY NIGHT
Partly cloudy. Lows in the upper 50s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming west after midnight.
WEDNESDAY
Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph.
WEDNESDAY NIGHT
Mostly clear. Lows in the upper 50s.
THURSDAY AND THURSDAY NIGHT
Partly cloudy. Highs in the mid 70s. Lows in the lower 60s.
FRIDAY AND FRIDAY NIGHT
Partly cloudy. A 30 percent chance of showers. Highs in the lower 70s. Lows in the upper 50s.
SATURDAY
Mostly sunny. Highs in the lower 70s.
SATURDAY NIGHT AND SUNDAY
Mostly clear. Lows in the upper 50s. Highs in the lower 70s.

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 AM PDT  8/25/2025
Monday
25 AUG 2025
HARWICH, MA 02645 weather forecast Day 1, 12 hours 2 PM 72° 72° Mostly Cloudy 6%

0% Thunder
( 2% severe)
NNE   8 76% 64°
High 73° HARWICH, MA 02645 weather forecast Day 1, 15 hours 5 PM 72° 72° Clear SSW   6 76% 64°
Partly Cloudy



HARWICH, MA 02645 weather forecast Day 1, 18 hours 8 PM 68° 68° Partly Cloudy 2%

0% Thunder
( 4% severe)
SW   6 93% 66°
HARWICH, MA 02645 weather forecast Day 1, 21 hours 11 PM 67° 67° Partly Cloudy WSW   6 97% 66°
Tuesday
26 AUG 2025
HARWICH, MA 02645 weather forecast Day 2, 0 hours 2 AM 65° 65° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   6 93% 63°
Low 61° HARWICH, MA 02645 weather forecast Day 2, 3 hours 5 AM 64° 64° Partly Cloudy WNW   6 84% 59°
High 76° HARWICH, MA 02645 weather forecast Day 2, 6 hours 8 AM 67° 67° Clear 0%

0% Thunder
( 0% severe)
WNW   7 73% 58°

Clear



HARWICH, MA 02645 weather forecast Day 2, 9 hours 11 AM 72° 72° Clear W   7 55% 55°
HARWICH, MA 02645 weather forecast Day 2, 12 hours 2 PM 74° 74° Clear 0%

0% Thunder
( 0% severe)
SW   8 51% 55°
HARWICH, MA 02645 weather forecast Day 2, 15 hours 5 PM 72° 72° Clear SW   9 59% 57°
HARWICH, MA 02645 weather forecast Day 2, 18 hours 8 PM 67° 67° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   7 75% 59°
HARWICH, MA 02645 weather forecast Day 2, 21 hours 11 PM 65° 65° Mostly Cloudy WSW   6 81% 59°
Wednesday
27 AUG 2025
HARWICH, MA 02645 weather forecast Day 3, 0 hours 2 AM 62° 62° Mostly Cloudy 1%

0% Thunder
( 0% severe)
W   5 84% 57°
Low 60° HARWICH, MA 02645 weather forecast Day 3, 3 hours 5 AM 62° 63° Mostly Cloudy NW   3 81% 56°
High 73° HARWICH, MA 02645 weather forecast Day 3, 6 hours 8 AM 66° 66° Partly Cloudy 5%

0% Thunder
( 3% severe)
NNW   3 73% 57°

Partly Cloudy



HARWICH, MA 02645 weather forecast Day 3, 9 hours 11 AM 70° 70° Partly Cloudy NNW   5 59% 55°
HARWICH, MA 02645 weather forecast Day 3, 15 hours 2 PM 72° 72° Partly Cloudy 2%

0% Thunder
( 7% severe)
NNW   5 53% 54°
HARWICH, MA 02645 weather forecast Day 3, 18 hours 5 PM 70° 70° Partly Cloudy SSW   5 59% 55°
HARWICH, MA 02645 weather forecast Day 3, 21 hours 8 PM 66° 66° Partly Cloudy     SW   5 73% 57°

CHATHAM, MA extended weather forecast

Thursday
28 AUG 2025
Friday
29 AUG 2025
Saturday
30 AUG 2025
Sunday
31 AUG 2025
Monday
1 SEP 2025
Low 58° Low 60° Low 58° Low 57° Low 60°
High 76° High 71° High 71° High 72° High 73°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Clear
12% Rain
Partly Cloudy
36% Rain
Mostly Cloudy
38% Rain
Partly Cloudy
20% Rain
Partly Cloudy
23% Rain
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