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Heat Advisory HEAT ADVISORY - Seattle and Vicinity

NWS Northwest Regional Radar WU North West Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ Jul-20-2026 10:45am - next update at 10:50am  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 73.3, Max: 73.3, Min: 56.1 73.3°F
Warmer 5.4°F than last hour.

Comfortable

Feels like: 73°F

24-hr difference
5.9°FWarmer 5.9°F than yesterday at this time.
  Today Yesterday
High: 73.3°F
10:43am 		80°F
4:28pm
Low: 56.1°F
5:33am 		52.6°F
5:39am
Wind from WSW WSW
0
Gust:
 2 mph
0 Bft - Calm
Today: 4 mph 8:57am
Gust Month: 20 mph July 11
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 0.16 in
Season Total: 16.2 in
2 rain days in July.
Tonight

Tonight: Partly Cloudy
Partly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 63 % Decreased 11.0% since last hour.
Dew Point: 59.9°F Increased 0.6°F since last hour.
Barometer: 29.969 inHg Falling 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 5:32am
Sunset: 8:58pm
Moonrise: 1:21pm
Moonset: 11:39pm
Waxing Crescent
Waxing Crescent, Moon at 7 days in cycle
43%
Illuminated
UV Index Forecast UV Index Forecast
Jul-20-2026
8.2     Very High 
Jul-21-2026
8.5     Very High 
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Partly Sunny
Partly Sunny

Hi 82 °F		 NWS forecast: Partly sunny, with a high near 82. North northwest wind around 7 mph.
 
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 61 °F		 NWS forecast: Partly cloudy, with a low around 61. North wind around 3 mph.