Cal-Adapt provides a view of how climate change might affect California.

Here you will find tools, climate data, and resources to conduct research, develop adaptation plans and build applications.

Subscribe to the Cal-Adapt Newsletter for updates on Cal-Adapt and California climate news and events.

Our new website is in beta!

We are actively updating our Climate Tools and building new ones. You may encounter the occasional broken link or be redirected to content on our current website cal-adapt.org.

Climate Tools

Explore projected changes in temperature and precipitation in your area over this century with our interactive climate data visualizations.

Learn More

Download Data

Download high resolution downscaled daily and annual climate projections for your project area. Keep in touch to learn of new datasets.

Learn More

Find Resources

Search State of California's Research Catalog, explore peer-reviewed publications, understand how to use climate projections.

Learn More

Use the Cal-Adapt Public API to build your own tools and visualizations.

Detailed API documentation and examples coming soon! Checkout our quickstart guide and contact us for more information.

Cal-Adapt synthesizes volumes of downscaled climate change projections and climate impact research from California's scientific community.

Latest News from Cal-Adapt Blog

Climate Change and the Character of Southern Cafornia Wildfires

Wildfire is a natural environmental phenomenon and has been an integral part of eco­systems in California for millennia. However, in recent decades the numbers, severity, and area burned by Southern California wildfires have increased.

Record-Breaking Sea Levels Observed in Southern California over Thanksgiving Holiday

In late November, record-breaking sea levels were observed at National Oceanic and Atmospheric Administration (NOAA) tide stations in San Diego, La Jolla, and Santa Barbara. These Southern California tide stations logged water peak water levels even higher than predicted by NOAA.

Historical International Climate Agreement Signed! A foundation for big steps in the right direction

On December 12, 2015 nearly 200 countries agreed for the first time in history to take action to curb climate change. The Paris Agreement sets an upper limit for warming to 2 degrees Celsius above pre-industrial levels, with a goal of 1.5 degrees.

Natural Resources Agency Releases Plan to Guide California’s Climate Change Adaptation Efforts

The Natural Resources Agency has released an ambitious final plan for how California will prepare for the extreme effects of climate change. The report, titled Safeguarding California: Implementation Action Plans, consists of ten sectors that include water, agriculture and biodiversity.