HARWICH, MA 02645 Weather Forecast & Current Conditions

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02645 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
CHATHAM, MA Current Weather
4:52 PM EDT JUL 16, 2025
Overcast 77°F
Feels Like:	78°F
Dewpoint:	73°F
Rel. Hum.:	87%
Visibility:	7 miles
Wind:	SW at 10 mph, gusts to 20
Pressure:	30.00 inches
Last 72 hours
Local Area Snow Depth
Massachusetts Current Weather
Massachusetts MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

02645 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	HARWICH, MA 02645 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Partly cloudy this evening, then becoming cloudy. Patchy fog. Visibility one quarter mile or less at times. Lows in the lower 70s. Southwest winds 5 to 10 mph.

THURSDAY
Mostly cloudy. A chance of showers in the morning, then a chance of showers with isolated thunderstorms in the afternoon. Patchy fog in the morning. Humid with highs in the lower 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

THURSDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Humid with lows in the lower 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

FRIDAY
Mostly sunny. Humid with highs in the lower 80s. Northwest winds 5 to 10 mph, becoming north in the afternoon. Gusts up to 20 mph.

FRIDAY NIGHT
Mostly clear. Lows in the mid 60s. Northeast winds 5 to 10 mph, becoming northwest after midnight.

SATURDAY
Sunny. Highs in the upper 70s.

SATURDAY NIGHT
Mostly cloudy with a 40 percent chance of showers. Lows in the upper 60s.

SUNDAY
Partly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 50 percent.

SUNDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 40 percent.

MONDAY THROUGH TUESDAY
Mostly clear. Highs in the upper 70s. Lows in the mid 60s.

TUESDAY NIGHT AND WEDNESDAY
Partly cloudy. Lows in the mid 60s. Highs in the upper 70s.

02645 WEATHER SATELLITE LOOPS

Visible Weather Satellite
HARWICH, MA 02645

Infrared Weather Satellite
HARWICH, MA 02645

02645 WEATHER RADAR LOOP

NEXRAD Weather Radar
HARWICH, MA 02645

MOS COMPUTER WEATHER FORECAST

CHATHAM, MA 3 hourly weather forecast

weather forecast created 5:00 AM PDT 7/16/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
16 JUL 2025

2 PM

79°

82°

Partly Cloudy

1%

0% Thunder
( 3% severe)

SW 8

79%

72°

High 80°

5 PM

78°

80°

Partly Cloudy

SSW 7

82%

72°

Mostly Cloudy

8 PM

75°

75°

Mostly Cloudy

1%

0% Thunder
( 5% severe)

SSW 6

90%

72°

11 PM

73°

73°

Mostly Cloudy

SW 6

97%

72°

Thursday
17 JUL 2025

2 AM

73°

73°

Mostly Cloudy

5%

0% Thunder
( 5% severe)

SW 6

97%

72°

Low 71°

5 AM

73°

73°

Mostly Cloudy

SSW 6

97%

72°

High 80°

8 AM

74°

74°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 9% severe)

SSW 7

93%

72°

Mostly Cloudy

11 AM

77°

78°

Mostly Cloudy

SSW 9

87%

73°

2 PM

78°

80°

Mostly Cloudy

16%
RAIN
.1–.25 in

0% Thunder
( 11% severe)

SW 10

82%

72°

5 PM

76°

76°

Mostly Cloudy

SSW 10

90%

73°

8 PM

75°

75°

Mostly Cloudy

9%

0% Thunder
( 12% severe)

SW 9

94%

73°

11 PM

74°

74°

Partly Cloudy

SW 8

93%

72°

Friday
18 JUL 2025

2 AM

74°

74°

Partly Cloudy

4%

0% Thunder
( 4% severe)

WSW 8

90%

71°

Low 71°

5 AM

73°

73°

Partly Cloudy

W 7

90%

70°

High 80°

8 AM

75°

75°

Partly Cloudy

1%

0% Thunder
( 1% severe)

WNW 7

79%

68°

Partly Cloudy

11 AM

77°

79°

Partly Cloudy

NNW 8

69%

66°

2 PM

77°

79°

Partly Cloudy

3%

0% Thunder
( 0% severe)

N 8

62%

63°

5 PM

75°

75°

Partly Cloudy

N 6

66%

63°

8 PM

71°

71°

Partly Cloudy

NNE 3

76%

63°


CHATHAM, MA extended weather forecast
Saturday 19 JUL 2025	Sunday 20 JUL 2025	Monday 21 JUL 2025	Tuesday 22 JUL 2025	Wednesday 23 JUL 2025
Low 60°	Low 63°	Low 64°	Low 62°	Low 66°
High 78°	High 74°	High 76°	High 79°	High 80°

Partly Cloudy 8% Rain	Mostly Cloudy 51% Rain	Mostly Cloudy 34% Rain	Partly Cloudy 18% Rain	Partly Cloudy 28% Rain

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