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September 18th, 2025 :: 3:36 pm PDT   

Local Weather Report for
Issaquah
Washington, United States

 Current Issaquah Weather Conditions Updated September 18th at 2:53 pm 
Temperature:22°C Dew Point:12°C
Barometer:101.7 kPa Wind:N 24 Km/h
Humidity:53.0% Visibility:0 Km
 
 Issaquah Weather Forecast Summary  
 
Today
Sep 18th 		Friday
Sep 19th 		Saturday
Sep 20th 		Sunday
Sep 21st 		Monday
Sep 22nd
Cloudy Mostly Sunny Showers Showers Sunny
22°C
 24°C
9°C		 24°C
10°C		 19°C
9°C		 23°C
8°C
 
 Issaquah Detailed Weather Forecast  
 
Thursday, September 18th, 2025
Afternoon Temperature: 17°C
Sunny.
Evening Temperature: 10°C
Clear.
Friday, September 19th, 2025
Overnight Temperature: 10°C
Clear.
Morning Temperature: 22°C
Sunny.
Afternoon Temperature: 19°C
Sunny.
Evening Temperature: 11°C
Clear with cloudy periods.
Saturday, September 20th, 2025
Overnight Temperature: 11°C
Clear.
Morning Temperature: 22°C
Cloudy.
Afternoon Temperature: 20°C
Cloudy. Windy at times.
Evening Temperature: 13°C
Cloudy with a few showers.
Sunday, September 21st, 2025
Overnight Temperature: 12°C
Cloudy with showers likely.
Morning Temperature: 14°C
Cloudy with showers likely. Slight chance of a thunderstorm.
Afternoon Temperature: 17°C
Cloudy with a chance of showers.
Evening Temperature: 10°C
Mostly clear.
Monday, September 22nd, 2025
Overnight Temperature: 9°C
Clear.
Morning Temperature: 20°C
Sunny.
Afternoon Temperature: 18°C
Sunny.
Evening Temperature: 12°C
Clear.
Tuesday, September 23rd, 2025
Overnight Temperature: 11°C
Clear.
Morning Temperature: 22°C
Sunny.
Afternoon Temperature: 18°C
A mix of cloud and sun.
Evening Temperature: 10°C
Clear.
Wednesday, September 24th, 2025
Overnight Temperature: 10°C
Cloudy.
Morning Temperature: 20°C
A mix of cloud and sun.
Afternoon Temperature: 18°C
Cloudy.
Evening Temperature: 9°C
Clear.
Thursday, September 25th, 2025
Overnight Temperature: 9°C
Cloudy.
Morning Temperature: 13°C
Cloudy.
Afternoon Temperature: 14°C
Cloudy.
Evening Temperature: 8°C
Mostly clear.
Friday, September 26th, 2025
Overnight Temperature: 9°C
Cloudy with a chance of showers.
Morning Temperature: 10°C
Cloudy with showers likely.
Afternoon Temperature: 10°C
Sunny with cloudy periods with showers likely.
Evening Temperature: 6°C
Clear with a slight chance of showers.



 

  [ Local Weather Report ]
Newcastle, WA 
2:53 PM  22°C
 
 
Newport, WA 
2:53 PM  22°C
 
 
Sammamish, WA 
2:53 PM  22°C
 
 
Beaux Arts Village, WA 
2:53 PM  22°C
 
 
Maple Valley, WA 
2:53 PM  22°C
 
 
Renton, WA 
2:53 PM  22°C
 
 
Bellevue, WA 
2:53 PM  21°C
 
 
Mercer Island, WA 
2:53 PM  22°C
 
 
Carnation, WA 
 
Snoqualmie, WA 

This WeatherCity Weather Forecast for Issaquah, Washington, 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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