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September 18th, 2025 :: 11:53 pm EDT   

Local Weather Report for
Waltham
Massachusetts, United States

 Current Waltham Weather Conditions Updated September 18th at 10:51 pm 
Temperature:16°C Dew Point:15°C
Barometer:101.1 kPa Wind:calm
Humidity:93.8% Visibility:0 Km
 
 Waltham Weather Forecast Summary  
 
Today
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Monday
Sep 22nd
Cloudy Mostly Sunny Sunny Sunny Mostly Sunny
26°C
26°C
14°C
18°C
11°C
19°C
10°C
22°C
9°C
 
 Waltham Detailed Weather Forecast  
 
Friday, September 19th, 2025
Overnight Temperature: 19°C
Clear. Windy at times.
Morning Temperature: 25°C
Sunny. Windy at times.
Afternoon Temperature: 21°C
Sunny with cloudy periods.
Evening Temperature: 15°C
Clear. Windy at times.
Saturday, September 20th, 2025
Overnight Temperature: 12°C
Clear.
Morning Temperature: 18°C
Sunny. Windy at times.
Afternoon Temperature: 15°C
Sunny. Windy at times.
Evening Temperature: 12°C
Clear.
Sunday, September 21st, 2025
Overnight Temperature: 11°C
Clear.
Morning Temperature: 19°C
Sunny.
Afternoon Temperature: 16°C
Sunny.
Evening Temperature: 12°C
Clear.
Monday, September 22nd, 2025
Overnight Temperature: 11°C
Clear.
Morning Temperature: 21°C
Mostly sunny.
Afternoon Temperature: 18°C
Sunny.
Evening Temperature: 15°C
Clear.
Tuesday, September 23rd, 2025
Overnight Temperature: 16°C
Clear.
Morning Temperature: 30°C
A mix of sun and cloud.
Afternoon Temperature: 28°C
Cloudy. Slight chance of a thunderstorm.
Evening Temperature: 20°C
Clear with a chance of showers.
Wednesday, September 24th, 2025
Overnight Temperature: 18°C
Clear with cloudy periods with a chance of showers.
Morning Temperature: 23°C
Sunny. Windy at times.
Afternoon Temperature: 19°C
Sunny with cloudy periods.
Evening Temperature: 17°C
A mix of cloudy and clear skies.
Thursday, September 25th, 2025
Overnight Temperature: 17°C
Cloudy with clear periods.
Morning Temperature: 21°C
Cloudy.
Afternoon Temperature: 19°C
Cloudy.
Evening Temperature: 18°C
A mix of cloudy and clear skies.
Friday, September 26th, 2025
Overnight Temperature: 18°C
Mostly cloudy.
Morning Temperature: 22°C
A mix of cloud and sun with a chance of showers or thundershowers.
Afternoon Temperature: 21°C
A mix of cloud and sun with a chance of showers.
Evening Temperature: 19°C
Cloudy.





 

  [ Local Weather Report ]
Watertown, MA 
10:51 PM  16°C
 
 
Belmont, MA 
10:51 PM  16°C
 
 
Newton, MA 
 
Weston, MA 
10:51 PM  16°C
 
 
Arlington, MA 
10:51 PM  16°C
 
 
Lexington, MA 
10:51 PM  16°C
 
 
Lincoln, MA 
10:51 PM  16°C
 
 
Needham, MA 
 
Wayland, MA 
10:51 PM  16°C
 
 
Wellesley, MA 
10:45 PM  16°C
mist

This WeatherCity Weather Forecast for Waltham, Massachusetts, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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