National Weather Service Forecast for: Trinity Center CA
Issued by: National Weather Service Eureka, CA
Updated: 2:46 pm PDT Aug 19, 2026
 
Overnight

Overnight: Mostly clear, with a low around 59. Calm wind.
Mostly Clear
 Thursday

Thursday: Increasing clouds, with a high near 94. Calm wind becoming south southeast 5 to 8 mph in the afternoon.
Increasing
Clouds
 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 61. South southeast wind around 6 mph becoming calm in the evening.
Mostly Cloudy
 Friday

Friday: Cloudy, then gradually becoming mostly sunny, with a high near 90. Calm wind becoming south southeast 5 to 8 mph in the afternoon.
Decreasing
Clouds
 Friday
Night
Friday Night: Mostly clear, with a low around 56. South southeast wind 5 to 8 mph becoming calm in the evening.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 90. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunny
 Saturday
Night
Saturday Night: Clear, with a low around 55.
Clear
 Sunday

Sunday: Sunny, with a high near 91.
Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 57.
Mostly Clear
Lo 59 °F Hi 94 °F Lo 61 °F Hi 90 °F Lo 56 °F Hi 90 °F Lo 55 °F Hi 91 °F Lo 57 °F

 

Overnight
 
 Mostly clear, with a low around 59. Calm wind.
Thursday
 
 Increasing clouds, with a high near 94. Calm wind becoming south southeast 5 to 8 mph in the afternoon.
Thursday Night
 
 Mostly cloudy, with a low around 61. South southeast wind around 6 mph becoming calm in the evening.
Friday
 
 Cloudy, then gradually becoming mostly sunny, with a high near 90. Calm wind becoming south southeast 5 to 8 mph in the afternoon.
Friday Night
 
 Mostly clear, with a low around 56. South southeast wind 5 to 8 mph becoming calm in the evening.
Saturday
 
 Sunny, with a high near 90. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
 
 Clear, with a low around 55.
Sunday
 
 Sunny, with a high near 91.
Sunday Night
 
 Mostly clear, with a low around 57.
Monday
 
 Sunny, with a high near 90.
Monday Night
 
 Mostly clear, with a low around 57.
Tuesday
 
 Sunny, with a high near 89.
Tuesday Night
 
 Mostly clear, with a low around 56.
Wednesday
 
 Sunny, with a high near 90.

 

Forecast from NOAA-NWS for Trinity Center CA.