DENNISPORT, MA 02639 Weather Forecast & Current Conditions

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02639 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
CHATHAM, MA Current Weather
5:52 AM EDT JUL 20, 2025
Overcast 68°F
Feels Like:	68°F
Dewpoint:	64°F
Rel. Hum.:	87%
Visibility:	10 miles
Wind:	Variable at 3 mph
Pressure:	29.95 inches
Last 72 hours
Local Area Snow Depth
Massachusetts Current Weather
Massachusetts MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

02639 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	DENNISPORT, MA 02639 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Mostly cloudy with a chance of showers and thunderstorms this morning, then partly sunny with a slight chance of showers and thunderstorms this afternoon. Highs in the lower 80s. South winds 10 to 15 mph. Chance of rain 50 percent.

TONIGHT
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph, becoming northwest after midnight. Gusts up to 25 mph. Chance of rain 30 percent.

MONDAY
Sunny. Less humid with highs in the upper 70s. North winds 15 to 20 mph.

MONDAY NIGHT
Mostly clear. Cooler with lows in the mid 50s. North winds 5 to 10 mph with gusts up to 20 mph.

TUESDAY
Sunny. Highs in the mid 70s. North winds 5 to 10 mph, becoming northeast in the afternoon.

TUESDAY NIGHT AND WEDNESDAY
Mostly clear. Lows in the lower 50s. Highs in the upper 70s.

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

02639 WEATHER SATELLITE LOOPS

Visible Weather Satellite
DENNISPORT, MA 02639

Infrared Weather Satellite
DENNISPORT, MA 02639

02639 WEATHER RADAR LOOP

NEXRAD Weather Radar
DENNISPORT, MA 02639

MOS COMPUTER WEATHER FORECAST

CHATHAM, MA 3 hourly weather forecast

weather forecast created 5:00 PM PDT 7/19/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
20 JUL 2025

2 AM

70°

70°

Partly Cloudy

38%
RAIN
***

0% Thunder
( 15% severe)

SSW 6

84%

65°

Low 69°

5 AM

70°

70°

Mostly Cloudy

S 7

87%

66°

High 78°

8 AM

72°

72°

Mostly Cloudy

44%
RAIN
***

0% Thunder
( 22% severe)

S 7

87%

68°

Mostly Cloudy

Chance of Rain

11 AM

73°

73°

Mostly Cloudy

S 9

87%

69°

2 PM

76°

77°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 9% severe)

S 9

85%

71°

5 PM

75°

75°

Partly Cloudy

SSW 8

87%

71°

8 PM

73°

73°

Mostly Cloudy

20%
RAIN
***

0% Thunder
( 18% severe)

SW 6

93%

71°

11 PM

71°

71°

Mostly Cloudy

W 6

97%

70°

Monday
21 JUL 2025

2 AM

70°

70°

Partly Cloudy

2%

0% Thunder
( 2% severe)

NW 7

93%

68°

Low 67°

5 AM

68°

68°

Partly Cloudy

NNW 7

90%

65°

High 76°

8 AM

71°

71°

Clear

0%

0% Thunder
( 0% severe)

NNW 8

76%

63°

Clear

11 AM

73°

73°

Clear

NNW 9

64%

60°

2 PM

74°

74°

Clear

0%

0% Thunder
( 0% severe)

N 9

55%

57°

5 PM

72°

72°

Clear

N 7

57%

56°

8 PM

68°

68°

Clear

0%

0% Thunder
( 0% severe)

N 3

65%

56°

11 PM

66°

66°

Partly Cloudy

N 5

68%

55°


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 66°	Low 56°	Low 57°	Low 62°	Low 67°
High 72°	High 72°	High 74°	High 78°	High 82°

Mostly Cloudy 34% Rain	Partly Cloudy 11% Rain	Clear 7% Rain	Partly Cloudy 19% Rain	Overcast 28% Rain

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