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

Overnight: Patchy fog after 2am. Otherwise, cloudy, with a low around 53. Calm wind.
Patchy Fog

 Thursday

Thursday: Areas of fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 65. Calm wind becoming west around 5 mph in the afternoon.
Areas Fog
then Mostly
Sunny
 Thursday
Night
Thursday Night: Areas of fog after 11pm. Otherwise, mostly cloudy, with a low around 52. Light and variable wind.
Areas Fog

 Friday

Friday: Areas of fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 63. Calm wind becoming west around 5 mph in the afternoon.
Areas Fog
then Mostly
Cloudy
 Friday
Night
Friday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 51. West wind around 5 mph becoming calm in the evening.
Patchy Fog

 Saturday

Saturday: Areas of fog before 11am. Otherwise, partly sunny, with a high near 63. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Areas Fog
then Mostly
Sunny
 Saturday
Night
Saturday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52.
Mostly Clear
then Patchy
Fog
 Sunday

Sunday: Mostly sunny, with a high near 67.
Mostly Sunny

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 54.
Mostly Cloudy
Lo 53 °F Hi 65 °F Lo 52 °F Hi 63 °F Lo 51 °F Hi 63 °F Lo 52 °F Hi 67 °F Lo 54 °F

 

Overnight
 
 Patchy fog after 2am. Otherwise, cloudy, with a low around 53. Calm wind.
Thursday
 
 Areas of fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 65. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
 
 Areas of fog after 11pm. Otherwise, mostly cloudy, with a low around 52. Light and variable wind.
Friday
 
 Areas of fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 63. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
 
 Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 51. West wind around 5 mph becoming calm in the evening.
Saturday
 
 Areas of fog before 11am. Otherwise, partly sunny, with a high near 63. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Saturday Night
 
 Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52.
Sunday
 
 Mostly sunny, with a high near 67.
Sunday Night
 
 Mostly cloudy, with a low around 54.
Monday
 
 Partly sunny, with a high near 65.
Monday Night
 
 Patchy fog. Otherwise, mostly cloudy, with a low around 53.
Tuesday
 
 Patchy fog. Otherwise, partly sunny, with a high near 63.
Tuesday Night
 
 Patchy fog. Otherwise, mostly cloudy, with a low around 53.
Wednesday
 
 Areas of fog. Otherwise, partly sunny, with a high near 64.

 

Forecast from NOAA-NWS for Klamath CA.