HARWICH PORT, MA 02646 Weather Forecast & Current Conditions

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02646 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
CHATHAM, MA Current Weather
1:52 AM EDT JUL 12, 2025
Fog 64°F
Feels Like:	65°F
Dewpoint:	64°F
Rel. Hum.:	100%
Visibility:	1/2 miles
Wind:	S at 3 mph
Pressure:	30.10 inches
Last 72 hours
Local Area Snow Depth
Massachusetts Current Weather
Massachusetts MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

02646 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	HARWICH PORT, MA 02646 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TONIGHT
Mostly cloudy. Patchy fog. Near steady temperature in the mid 60s. South winds around 5 mph.

SATURDAY
Mostly sunny. Patchy fog in the morning. Humid with highs in the mid 70s. Southeast winds 5 to 10 mph.

SATURDAY NIGHT
Mostly cloudy. Patchy fog. Lows in the mid 60s. Southeast winds 5 to 10 mph.

SUNDAY
Mostly sunny. Humid with highs in the mid 70s. Southeast winds 5 to 10 mph.

SUNDAY NIGHT
Mostly cloudy. Humid with lows in the mid 60s. Southeast winds 5 to 10 mph.

MONDAY
Mostly sunny. Highs around 80.

MONDAY NIGHT
Mostly cloudy. Lows around 70.

TUESDAY THROUGH WEDNESDAY NIGHT
Partly cloudy. Highs in the lower 80s. Lows in the lower 70s.

THURSDAY
Partly sunny. Highs in the lower 80s.

THURSDAY NIGHT AND FRIDAY
Mostly cloudy. A 30 percent chance of showers. Lows in the lower 70s. Highs in the lower 80s.

02646 WEATHER SATELLITE LOOPS

Visible Weather Satellite
HARWICH PORT, MA 02646

Infrared Weather Satellite
HARWICH PORT, MA 02646

02646 WEATHER RADAR LOOP

NEXRAD Weather Radar
HARWICH PORT, MA 02646

MOS COMPUTER WEATHER FORECAST

CHATHAM, MA 3 hourly weather forecast

weather forecast created 5:00 PM PDT 7/11/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

TIME
EDT

TEMP
(deg. F)

FEELS
LIKE

CLOUD
COVER

PRECIP
PROB.

THUNDER
PROB.

WIND
dir./mph

REL
HUM

DEWPT
(deg. F)

Saturday
12 JUL 2025

2 AM

65°

Mostly Cloudy

0% Thunder
( 1% severe)

SSE 1

100%

65°

Low 64°

5 AM

65°

Mostly Cloudy

SE 1

97%

64°

High 72°

8 AM

67°

Mostly Cloudy

0% Thunder
( 1% severe)

ESE 2

90%

64°

Mostly Cloudy

11 AM

69°

Mostly Cloudy

ESE 6

84%

64°

2 PM

70°

Mostly Cloudy

0% Thunder
( 1% severe)

ESE 7

78%

63°

5 PM

69°

Partly Cloudy

ESE 7

84%

64°

8 PM

66°

Mostly Cloudy

0% Thunder
( 0% severe)

ESE 5

90%

63°

11 PM

65°

Mostly Cloudy

ESE 5

93%

63°

Sunday
13 JUL 2025

2 AM

65°

Mostly Cloudy

0% Thunder
( 1% severe)

ESE 3

97%

64°

Low 64°

5 AM

65°

Mostly Cloudy

ESE 3

97%

64°

High 75°

8 AM

68°

Mostly Cloudy

0% Thunder
( 1% severe)

ESE 5

90%

65°

Mostly Cloudy

11 AM

71°

Partly Cloudy

ESE 7

81%

65°

2 PM

73°

Mostly Cloudy

0% Thunder
( 0% severe)

ESE 8

76%

65°

5 PM

72°

Partly Cloudy

ESE 7

81%

66°

8 PM

69°

Mostly Cloudy

0% Thunder
( 0% severe)

ESE 5

90%

66°

11 PM

68°

Partly Cloudy

SE 3

93%

66°


CHATHAM, MA extended weather forecast
BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE
Low 64°	Low 65°	Low 68°	Low 69°	Low 70°
High 74°	High 80°	High 81°	High 82°	High 83°

Mostly Cloudy 5% Rain	Mostly Cloudy 15% Rain	Mostly Cloudy 26% Rain	Partly Cloudy 31% Rain	Overcast 33% Rain