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 6:25am - next update at 6:30am  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 57.6, Max: 61.5, Min: 56.1 57.6°F
Warmer 1.3°F than last hour.

Cool

Feels like: 58°F

24-hr difference
3.3°FWarmer 3.3°F than yesterday at this time.
  Today Yesterday
High: 61.5°F
12:00am
80°F
4:28pm
Low: 56.1°F
5:33am
52.6°F
5:39am
 Calm
0
Gust:
0 mph
0 Bft - Calm
Today: 3 mph 1:55am
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: 84 % Increased 2.0% since last hour.
Dew Point: 52.8°F Increased 1.9°F since last hour.
Barometer: 29.978 inHg Rising 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
41%
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 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.