Weather Advisory - Hot Weather through Friday, March 20

Published on March 17, 2026

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The National Weather Service (NWS) has issued a Heat Advisory through Friday, March 20. Be sure to drink plenty of fluids, stay in air-conditioned rooms, keep out of the sun, and check on relatives, pets, and neighbors.

For resources, visit Santa Clara County OEM Hot Weather Safety Tips.

Cooling Center

The Cupertino Library is open and available during regular business hours as a place to cool off.

Cupertino Library: 10 a.m. to 9 p.m. (Mon - Fri), 10 a.m. to 6:30 p.m. (Sat - Sun)

For more Cooling Center locations, visit oem.santaclaracounty.gov/locations.

To view the City's Hazard Awareness Dashboard, visit cupertino.gov/currentincidents.