National Weather Service Forecast for: Vallejo CA
Issued by: National Weather Service Sacramento, CA
Updated: 11:31 am PDT May 26, 2026
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 70. West wind 9 to 14 mph, with gusts as high as 21 mph.
Mostly Sunny

 Tonight

Tonight: Partly cloudy, with a low around 50. West northwest wind 9 to 14 mph becoming light west southwest after midnight. Winds could gust as high as 21 mph.
Partly Cloudy

 Wednesday

Wednesday: Mostly sunny, with a high near 70. Southwest wind 3 to 8 mph.
Mostly Sunny

 Wednesday
Night
Wednesday Night: A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 52. Southwest wind 3 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Partly Cloudy
then Slight
Chance Rain
 Thursday

Thursday: A 30 percent chance of rain before 11am. Partly sunny, with a high near 70. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Chance Rain
then Mostly
Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 52.
Partly Cloudy

 Friday

Friday: Mostly sunny, with a high near 69.
Mostly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 52.
Mostly Clear

 Saturday

Saturday: Mostly sunny, with a high near 75.
Mostly Sunny
Hi 70 °F Lo 50 °F Hi 70 °F Lo 52 °F Hi 70 °F Lo 52 °F Hi 69 °F Lo 52 °F Hi 75 °F

 

This Afternoon
 
 Mostly sunny, with a high near 70. West wind 9 to 14 mph, with gusts as high as 21 mph.
Tonight
 
 Partly cloudy, with a low around 50. West northwest wind 9 to 14 mph becoming light west southwest after midnight. Winds could gust as high as 21 mph.
Wednesday
 
 Mostly sunny, with a high near 70. Southwest wind 3 to 8 mph.
Wednesday Night
 
 A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 52. Southwest wind 3 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
 
 A 30 percent chance of rain before 11am. Partly sunny, with a high near 70. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Thursday Night
 
 Partly cloudy, with a low around 52.
Friday
 
 Mostly sunny, with a high near 69.
Friday Night
 
 Mostly clear, with a low around 52.
Saturday
 
 Mostly sunny, with a high near 75.
Saturday Night
 
 Clear, with a low around 51.
Sunday
 
 Sunny, with a high near 80.
Sunday Night
 
 Clear, with a low around 52.
Monday
 
 Sunny, with a high near 81.

 

Forecast from NOAA-NWS for Vallejo CA.