National Weather Service Forecast for: Mount Shasta CA
Issued by: National Weather Service Medford, OR
Updated: 12:41 am PST Dec 5, 2025
 
Overnight

Overnight: Areas of fog after 4am. Otherwise, partly cloudy, with a low around 37. Northwest wind around 5 mph.
Areas Fog

 Friday

Friday: A slight chance of rain before 1pm, then a slight chance of rain after 4pm. Areas of fog before 11am. Otherwise, mostly sunny, with a high near 57. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Slight Chance
Rain and
Areas Fog
 Friday
Night
Friday Night: A 30 percent chance of rain between 1am and 4am. Mostly cloudy, with a low around 37. Northwest wind around 6 mph.
Chance Rain

 Saturday

Saturday: A 10 percent chance of rain after 10am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 54. Calm wind becoming northwest around 5 mph in the afternoon.
Slight Chance
Rain and
Patchy Fog
 Saturday
Night
Saturday Night: Patchy fog. Otherwise, partly cloudy, with a low around 35. Calm wind.
Patchy Fog

 Sunday

Sunday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 55.
Patchy Fog
then Partly
Sunny
 Sunday
Night
Sunday Night: Patchy fog. Otherwise, partly cloudy, with a low around 34.
Patchy Fog

 Monday

Monday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 58.
Patchy Fog
then Mostly
Sunny
 Monday
Night
Monday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 38.
Mostly Cloudy
then Patchy
Fog
Lo 37 °F Hi 57 °F Lo 37 °F Hi 54 °F Lo 35 °F Hi 55 °F Lo 34 °F Hi 58 °F Lo 38 °F

 

Overnight
 
 Areas of fog after 4am. Otherwise, partly cloudy, with a low around 37. Northwest wind around 5 mph.
Friday
 
 A slight chance of rain before 1pm, then a slight chance of rain after 4pm. Areas of fog before 11am. Otherwise, mostly sunny, with a high near 57. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
 
 A 30 percent chance of rain between 1am and 4am. Mostly cloudy, with a low around 37. Northwest wind around 6 mph.
Saturday
 
 A 10 percent chance of rain after 10am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 54. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
 
 Patchy fog. Otherwise, partly cloudy, with a low around 35. Calm wind.
Sunday
 
 Patchy fog before 10am. Otherwise, partly sunny, with a high near 55.
Sunday Night
 
 Patchy fog. Otherwise, partly cloudy, with a low around 34.
Monday
 
 Patchy fog before 9am. Otherwise, mostly sunny, with a high near 58.
Monday Night
 
 Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 38.
Tuesday
 
 A slight chance of rain after 10am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 59.
Tuesday Night
 
 A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 40.
Wednesday
 
 A slight chance of rain. Patchy fog. Otherwise, mostly sunny, with a high near 60.
Wednesday Night
 
 A slight chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 39.
Thursday
 
 Patchy fog. Otherwise, mostly sunny, with a high near 61.

 

Forecast from NOAA-NWS for Mount Shasta CA.