Weather Waltham tomorrow

sunrise 6:15 am
sunset 7:10 pm

HOURLY

Weather forecast Waltham Sept. 6, 2025

During the day overcast, later morning rain, in the afternoon initially rain, later heavy rain, in the evening initially heavy rain, later cloudy. The highest temperature 84 °F. Total rainfall 0.32 in. At night overcast. The lowest temperature 63 °F.

Interactive map weather Massachusetts, USA

GPS: 42.3765; -71.2356

altitude: 72 ft
local time:

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Weather forecast Waltham, Massachusetts, USA extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Saturday 09/06/2025
2 AM	overcast	72 °F 79 °F	0.00 in	8 fps 6 mph south	29.9 in	96 %	70 °F	100 %	0%	100%	0%	0%
8 AM	rain	73 °F 81 °F	0.04 in	10 fps 7 mph south-southwest	29.9 in	92 %	70 °F	100 %	0%	100%	0%	0%
2 PM	heavy rain	84 °F 90 °F	0.28 in	17 fps 12 mph southwest	29.8 in	59 %	68 °F	99 %	0%	34%	44%	98%
8 PM	cloudy	72 °F 77 °F	0.00 in	13 fps 9 mph southwest	29.9 in	92 %	68 °F	63 %	0%	12%	32%	42%
Sunday 09/07/2025
2 AM	overcast	68 °F 73 °F	0.0 in	9 fps 6 mph west-northwest	29.9 in	93 %	64 °F	100 %	0%	0%	100%	100%
8 AM	overcast	64 °F 66 °F	0.0 in	7 fps 4 mph west-northwest	30.0 in	84 %	59 °F	100 %	0%	0%	0%	100%
2 PM	overcast	77 °F 77 °F	0.0 in	14 fps 10 mph west-northwest	30.1 in	44 %	52 °F	98 %	0%	0%	0%	98%
8 PM	clear	66 °F 64 °F	0.0 in	9 fps 6 mph northwest	30.2 in	53 %	48 °F	1 %	0%	0%	0%	1%

Waltham, Massachusetts, USA - information

State: Massachusetts, USA

GPS coordinates: 42.3765; -71.2356

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

Population: 63 378
Altitude: 72 ft
The administrative part:

Massachusetts, Boston
Middlesex County, Lowell

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Weather Waltham, Massachusetts, USA. Weather forecast Waltham.

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Data source

Weather forecast for Waltham 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 Waltham

data are always in the local time

Sun and light

Sept. 6, 2025

Sunrise:	Sunset:
6:15 am	7:10 pm
Noon:	Length of day:
12:43 pm	12:54
Start of civil twilight*:	End of civil twilight*:
5:46 am	7:39 pm
Start of nautical twilight*:	End of nautical twilight*:
5:13 am	8:12 pm
Start of astronomical twilight*:	End of astronomical twilight*:
4:37 am	8:47 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
09/05/2025 6:22 pm	09/06/2025 4:41 am
Next new moon:	Next full moon:
09/21/2025	09/07/2025