Weather Half Moon Island week

Weather forecast for Half Moon Island for this and next week.

Tuesday, Sep 9

66 / 57°F

0.00 in

9 mph

61 °F	59 °F	2 am
59 °F	59 °F	8 am
66 °F	64 °F	2 pm
63 °F	61 °F	8 pm

sunrise 6:17 am
sunset 7:03 pm

HOURLY

During the day morning clear, in the afternoon initially clear, later partly cloudy, in the evening initially partly cloudy, later clear. The highest temperature 66 °F. At night the lowest temperature 57 °F.

Interactive map weather Massachusetts, USA

GPS: 42.2718; -70.9834

altitude: 6 ft
local time:

PLACES IN THE AREA

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Weather forecast Half Moon Island, Massachusetts, USA extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Tuesday 09/09/2025
2 AM	clear	61 °F 59 °F	0.0 in	11 fps 8 mph north	30.3 in	68 %	50 °F	0 %	0%	0%	0%	0%
8 AM	clear	59 °F 57 °F	0.0 in	13 fps 9 mph north	30.3 in	70 %	50 °F	0 %	0%	0%	0%	0%
2 PM	partly cloudy	66 °F 64 °F	0.0 in	13 fps 9 mph east	30.3 in	51 %	46 °F	14 %	0%	14%	1%	0%
8 PM	clear	63 °F 61 °F	0.0 in	9 fps 6 mph southeast	30.3 in	60 %	48 °F	0 %	0%	0%	0%	0%
Wednesday 09/10/2025
2 AM	clear	59 °F 59 °F	0.0 in	9 fps 6 mph north-northwest	30.3 in	79 %	52 °F	0 %	0%	0%	0%	0%
8 AM	clear	59 °F 57 °F	0.0 in	15 fps 10 mph north-northeast	30.4 in	72 %	50 °F	0 %	0%	0%	0%	0%
2 PM	overcast	64 °F 61 °F	0.0 in	18 fps 12 mph east-northeast	30.4 in	46 %	43 °F	99 %	0%	0%	0%	99%
8 PM	overcast	63 °F 61 °F	0.0 in	9 fps 6 mph east	30.4 in	57 %	46 °F	94 %	0%	0%	0%	94%

Half Moon Island, Massachusetts, USA - information

State: Massachusetts, USA

GPS coordinates: 42.2718; -70.9834

Time zone: America / New York time difference in hours with time in NY is -6 hours

Altitude: 6 ft
The administrative part:

Massachusetts, Boston
Norfolk County, Norfolk

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Weather Half Moon Island, Massachusetts, USA. Weather forecast Half Moon Island.

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Data source

Weather forecast for Half Moon Island is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Astronomical information Half Moon Island

data are always in the local time

Sun and light

Sept. 9, 2025

Sunrise:	Sunset:
6:17 am	7:03 pm
Noon:	Length of day:
12:41 pm	12:46
Start of civil twilight*:	End of civil twilight*:
5:48 am	7:32 pm
Start of nautical twilight*:	End of nautical twilight*:
5:15 am	8:05 pm
Start of astronomical twilight*:	End of astronomical twilight*:
4:40 am	8:40 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
09/08/2025 7:31 pm	09/09/2025 8:26 am
Next new moon:	Next full moon:
09/21/2025	10/06/2025