Earth Climate and Weather

Weather is the condition of the atmosphere at a particular time. Climate is what you get when you average together the weather over a long period of time.

Today is 30 September 2025 and the time is 14:59 UTC

Climate

The 30 year averages (1961-1990) for this day are: HI 64.9°F, LO 49.1°F, Precip. 0.082 in.(at Seattle-Tacoma Int'l Airport)

• Washington State climate information
• U.S. Regional Climate Centers
• National Weather Service Links (both climate and weather links)

Weather

Rooftop observations unavailable on 29 September 2025 00:00 UTC (at University of Washington, Seattle)

• Data Sites
  • Make your own plots of Pacific Northwest weather data
  • Wide variety of current weather information from the University of Washington Department of Atmospheric Sciences.
  • UW Department of Atmospheric Sciences Home Page.
  • KIRO7 Northwest Weather
  • Sequim Washington
    
  • CNN Weather Page
  • Center for Ocean-Land-Atmosphere Studies (COLA) - Institute of Global Environment and Society (IGES)
  • Geosynchronous Weather Satellites
  • Intellicast from WSI
  • Maui Weather Today (sigh!)
  • University of Michigan - Weather Underground
  • National Data Buoy Center (NDBC)
  • Weather24
  • The Daily Planet at the University of Illinois
  • Make your own weather station

• Image Sites