California Heat Advisory - Moderate | Effective 06/12/2026 05:26

Headline: 
Heat Advisory issued June 12 at 5:26AM PDT until June 12 at 7:00PM PDT by NWS San Francisco CA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
June 12, 2026 - 5:26am
Expires: 
June 12, 2026 - 7:00pm
Description: 
* WHAT...Temperatures between 90 and 95 for most areas, with some readings above 100 degrees. Hottest conditions across the East Bay Hills and Valleys. * WHERE...The Santa Clara Valley and Eastern Hills, and The East Bay Hills and Valleys. * WHEN...Until 7 PM PDT this evening. * IMPACTS...This level of heat affects primarily those individuals extremely sensitive to heat, especially when outdoors without effective cooling and/or adequate hydration.
Instruction: 
Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Area Description: 
East Bay Interior Valleys; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills
Forcast Office: 
NWS San Francisco CA