National Weather Service Forecast for: Calistoga CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 8:57 am PDT Oct 6, 2026
 
Today

Today: Sunny and hot, with a high near 98. Calm wind becoming west southwest around 5 mph in the afternoon.
Hot
 Tonight

Tonight: Clear, with a low around 60. Calm wind.
Clear
 Wednesday

Wednesday: Sunny and hot, with a high near 96. Light and variable wind.
Hot
 Wednesday
Night
Wednesday Night: Clear, with a low around 58. Light and variable wind.
Clear
 Thursday

Thursday: Sunny and hot, with a high near 96. Calm wind.
Hot
 Thursday
Night
Thursday Night: Clear, with a low around 59.
Clear
 Friday

Friday: Sunny, with a high near 90.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 53.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 78.
Sunny
Hi 98 °F Lo 60 °F Hi 96 °F Lo 58 °F Hi 96 °F Lo 59 °F Hi 90 °F Lo 53 °F Hi 78 °F

Heat Advisory
Coastal Flood Advisory
 

Today
 
 Sunny and hot, with a high near 98. Calm wind becoming west southwest around 5 mph in the afternoon.
Tonight
 
 Clear, with a low around 60. Calm wind.
Wednesday
 
 Sunny and hot, with a high near 96. Light and variable wind.
Wednesday Night
 
 Clear, with a low around 58. Light and variable wind.
Thursday
 
 Sunny and hot, with a high near 96. Calm wind.
Thursday Night
 
 Clear, with a low around 59.
Friday
 
 Sunny, with a high near 90.
Friday Night
 
 Mostly clear, with a low around 53.
Saturday
 
 Sunny, with a high near 78.
Saturday Night
 
 Mostly clear, with a low around 49.
Sunday
 
 Sunny, with a high near 75.
Sunday Night
 
 Mostly clear, with a low around 49.
Columbus Day
 
 Sunny, with a high near 76.

 

Forecast from NOAA-NWS for Calistoga CA.