Weather Post Island today

sunrise 6:14 am
sunset 7:09 pm

HOURLY

Weather forecast Post Island Sept. 6, 2025

During the day morning clear, in the afternoon initially clear, later overcast. The highest temperature 82 °F. Total rainfall 0.01 in. At night rain showers. The lowest temperature 63 °F. Total rainfall 0.09 in.

Interactive map weather Massachusetts, USA

GPS: 42.2626; -70.9739

altitude: 9 ft
local time:

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Weather forecast Post Island, Massachusetts, USA extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Tomorrow, Saturday 09/06/2025
12 AM	clear	72 °F 75 °F	0.0 in	22 fps 15 mph south-southwest	30.0 in	79 %	64 °F	0 %	0%	0%	0%	0%
1 AM	clear	72 °F 75 °F	0.0 in	18 fps 13 mph south-southwest	30.0 in	81 %	64 °F	0 %	0%	0%	0%	0%
2 AM	clear	70 °F 73 °F	0.0 in	17 fps 11 mph south-southwest	30.0 in	83 %	64 °F	0 %	0%	0%	0%	0%
3 AM	clear	70 °F 73 °F	0.0 in	17 fps 12 mph south-southwest	29.9 in	85 %	64 °F	0 %	0%	0%	0%	0%
4 AM	clear	70 °F 73 °F	0.0 in	17 fps 12 mph south-southwest	29.9 in	87 %	64 °F	0 %	0%	0%	0%	0%
5 AM	clear	68 °F 72 °F	0.0 in	18 fps 13 mph south-southwest	30.0 in	89 %	64 °F	0 %	0%	0%	0%	0%
6 AM	clear	68 °F 72 °F	0.0 in	19 fps 13 mph south-southwest	30.0 in	90 %	64 °F	0 %	0%	0%	0%	0%
7 AM	clear	70 °F 73 °F	0.0 in	21 fps 14 mph south-southwest	30.0 in	89 %	64 °F	0 %	0%	0%	0%	0%
8 AM	clear	72 °F 75 °F	0.01 in	22 fps 15 mph south-southwest	30.0 in	85 %	66 °F	52 %	0%	52%	0%	0%
2 PM	overcast	82 °F 86 °F	0.0 in	25 fps 17 mph south-southwest	29.9 in	59 %	66 °F	100 %	0%	7%	11%	100%
8 PM	overcast	72 °F 75 °F	0.0 in	20 fps 14 mph south-southwest	29.9 in	87 %	68 °F	97 %	0%	3%	0%	97%
Sunday 09/07/2025
2 AM	rain showers	70 °F 75 °F	0.09 in	10 fps 7 mph south-southwest	29.9 in	91 %	66 °F	83 %	0%	82%	3%	7%
8 AM	overcast	63 °F 63 °F	0.0 in	10 fps 7 mph north-northwest	30.0 in	79 %	55 °F	100 %	0%	100%	0%	18%
2 PM	overcast	70 °F 72 °F	0.0 in	2 fps 1 mph north-northeast	30.0 in	63 %	55 °F	100 %	0%	4%	26%	100%
8 PM	overcast	68 °F 72 °F	0.02 in	4 fps 2 mph south-southeast	30.1 in	80 %	61 °F	100 %	0%	35%	83%	100%

Post Island, Massachusetts, USA - information

State: Massachusetts, USA

GPS coordinates: 42.2626; -70.9739

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

Altitude: 9 ft
The administrative part:

Massachusetts, Boston
Norfolk County, Norfolk

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Weather Post Island, Massachusetts, USA. Weather forecast Post Island.

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Data source

Weather forecast for Post 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 Post Island

data are always in the local time

Sun and light

Sept. 6, 2025

Sunrise:	Sunset:
6:14 am	7:09 pm
Noon:	Length of day:
12:42 pm	12:54
Start of civil twilight*:	End of civil twilight*:
5:45 am	7:37 pm
Start of nautical twilight*:	End of nautical twilight*:
5:12 am	8:11 pm
Start of astronomical twilight*:	End of astronomical twilight*:
4:36 am	8:46 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
09/05/2025 6:21 pm	09/06/2025 4:40 am
Next new moon:	Next full moon:
09/21/2025	09/07/2025