HARWICH, MA 02645 Weather Forecast & Current Conditions

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02645 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
CHATHAM, MA Current Weather
5:52 PM EDT MAY 30, 2025
Overcast Mist 57°F
Feels Like:	56°F
Dewpoint:	57°F
Rel. Hum.:	100%
Visibility:	3/4 miles
Wind:	SW at 6 mph
Pressure:	29.62 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 2024 Hurricanes	HARWICH, MA 02645 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly cloudy. A slight chance of showers this evening, then showers likely with a chance of thunderstorms after midnight. Patchy fog. Lows in the mid 50s. South winds 5 to 10 mph. Gusts up to 20 mph this evening. Chance of rain 70 percent.

SATURDAY
Mostly cloudy. Showers with a chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Patchy fog in the morning. Highs in the mid 60s. South winds 10 to 15 mph, becoming southwest 15 to 20 mph in the afternoon. Gusts up to 30 mph. Chance of rain 80 percent.

SATURDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the lower 50s. Southwest winds 15 to 20 mph. Gusts up to 30 mph in the evening. Chance of rain 40 percent.

SUNDAY
Mostly sunny. Highs in the mid 60s. Southwest winds 15 to 20 mph with gusts up to 30 mph.

SUNDAY NIGHT
Mostly clear. Lows in the mid 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

MONDAY THROUGH TUESDAY
Mostly clear. Highs in the upper 60s. Lows in the mid 50s.

TUESDAY NIGHT
Partly cloudy. Lows in the upper 50s.

WEDNESDAY THROUGH FRIDAY
Mostly cloudy. Highs in the lower 70s. Lows around 60.

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 5/30/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
30 MAY 2025

2 PM

63°

62°

Mostly Cloudy

4%

0% Thunder
( 1% severe)

SSW 9

75%

55°

High 64°

5 PM

61°

60°

Mostly Cloudy

SSW 8

81%

55°

Mostly Cloudy

8 PM

58°

57°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 1% severe)

S 6

87%

54°

11 PM

57°

57°

Mostly Cloudy

S 5

93%

55°

Saturday
31 MAY 2025

2 AM

57°

57°

Mostly Cloudy

77%
RAIN
***

0% Thunder
( 19% severe)

SSE 3

93%

55°

Low 55°

5 AM

56°

55°

Mostly Cloudy

SE 6

93%

54°

High 66°

8 AM

59°

58°

Mostly Cloudy

62%
RAIN
***

0% Thunder
( 18% severe)

SSE 8

90%

56°

Mostly Cloudy

Rain Likely

11 AM

62°

61°

Mostly Cloudy

S 10

81%

56°

2 PM

63°

62°

Mostly Cloudy

10%
RAIN
.01–.1 in

0% Thunder
( 2% severe)

SSW 13

72%

54°

5 PM

62°

61°

Mostly Cloudy

SW 12

75%

54°

8 PM

59°

57°

Partly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 6% severe)

SW 10

80%

53°

11 PM

58°

56°

Mostly Cloudy

SW 9

83%

53°

Sunday
1 JUN 2025

2 AM

56°

54°

Mostly Cloudy

32%
RAIN
.01–.1 in

0% Thunder
( 3% severe)

SW 8

83%

51°

Low 53°

5 AM

55°

53°

Partly Cloudy

WSW 8

80%

49°

High 65°

8 AM

58°

56°

Partly Cloudy

6%

0% Thunder
( 0% severe)

WSW 9

67%

47°

Partly Cloudy

11 AM

61°

59°

Partly Cloudy

SW 12

60%

47°

2 PM

62°

60°

Partly Cloudy

2%

0% Thunder
( 0% severe)

SW 13

58%

47°

5 PM

61°

59°

Clear

SW 12

60%

47°

8 PM

58°

56°

Clear

SW 9

69%

48°


CHATHAM, MA extended weather forecast
Monday 2 JUN 2025	Tuesday 3 JUN 2025	Wednesday 4 JUN 2025	Thursday 5 JUN 2025	Friday 6 JUN 2025
Low 52°	Low 54°	Low 56°	Low 58°	Low 58°
High 66°	High 69°	High 70°	High 70°	High 68°

Partly Cloudy 25% Rain	Partly Cloudy 9% Rain	Partly Cloudy 13% Rain	Partly Cloudy 26% Rain	Overcast 42% Rain

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