Metdat Home Page
LLNL Home
Frequently Asked Questions
Home 
Temperature    83 °F
Humidity   39.6 %
Precipitation   0.00 in
  Calendar Day Total   0 in
Atmospheric Pressure   29.41 Hg
  (reduced to sea level)   30.03 Hg
Wind    
  From   NE (40 °)
  Speed   6.6 mph
  Gust   11.2 mph
Stability Class   C

Current as of 3/19/2026 18:15.

View Full LLNL Current Conditions
Data Reporting
Custom report tool Custom report tool
Includes plots, table of samples, and data export in TSV file format, for the desired date range. Provides min, max, and average functions.

XML Export LLNL (XML | JSON | JSONP)
Site 300 (XML | JSON | JSONP)
Sandia (XML | JSON | JSONP)

Several exporting methods are available to provide values for the latest readings of several instruments in either XML, JSON, or JSONP format. May be used as a data feed to display weather conditions on another web page.
Two-day Plots
Separated plots of samples from yesterday to
today. Take a quick look at recent trends.

Plots of samples since yesterday
Large plots
LLNL
Site 300
Sandia
All
Small plots
LLNL
Site 300
Sandia
All
 
Current Conditions
Livermore Sandia

Temp   58 °F
Humid   60.1 %
Precip   0.00 in
Wind    
  From   SSW (195 °)
  Speed   9.1 mph
  Gust   21.0 mph

As of 1/4/2017 00:30.
Site 300

Temp   80 °F
Humid   50.4 %
Precip   0.00 in
Wind    
  From   NNW (332 °)
  Speed   10.0 mph
  Gust   11.7 mph

As of 3/19/2026 18:15.

 
UCRL-MI-125279 | Privacy & Legal Notice Comments and suggestions: wegrecki2@llnl.gov
LLNL Sponsor Logos NNSA Department of Energy Lawrence Livermore National Laboratory
7000 East Avenue • Livermore, CA 94550		 Operated by Lawrence Livermore National Security, LLC, for the
Department of Energy's National Nuclear Security Administration
Learn about the Department of Energy's Vulnerability Disclosure Program