National Weather Service Forecast for: Loomis CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:21 am PST Dec 18, 2025
 
Overnight

Overnight: Widespread dense fog.  Otherwise, cloudy, with a steady temperature around 48. Calm wind.
Dense Fog

Thursday

Thursday: Widespread dense fog, mainly before 9am.  Otherwise, mostly cloudy, with a high near 56. Calm wind becoming south southeast around 5 mph in the afternoon.
Dense Fog

Thursday
Night
Thursday Night: A 30 percent chance of showers, mainly after 4am.  Widespread dense fog, mainly between 7pm and 2am.  Otherwise, mostly cloudy, with a low around 49. Southeast wind around 5 mph.
Patchy Fog
then Chance
Showers and
Dense Fog
Friday

Friday: Showers, mainly after 10am.  High near 56. South southeast wind 6 to 9 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Showers

Friday
Night
Friday Night: Showers.  Low around 54. South southeast wind 7 to 9 mph.  Chance of precipitation is 90%.
Showers

Saturday

Saturday: Showers.  High near 55. Chance of precipitation is 80%.
Showers

Saturday
Night
Saturday Night: Showers.  Low around 54. Chance of precipitation is 100%.
Showers

Sunday

Sunday: Showers.  Cloudy, with a high near 56.
Showers

Sunday
Night
Sunday Night: Showers, with thunderstorms also possible after 10pm.  Cloudy, with a low around 54.
Showers

Lo 48 °F Hi 56 °F Lo 49 °F Hi 56 °F Lo 54 °F Hi 55 °F Lo 54 °F Hi 56 °F Lo 54 °F

 

Overnight
 
Widespread dense fog. Otherwise, cloudy, with a steady temperature around 48. Calm wind.
Thursday
 
Widespread dense fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 56. Calm wind becoming south southeast around 5 mph in the afternoon.
Thursday Night
 
A 30 percent chance of showers, mainly after 4am. Widespread dense fog, mainly between 7pm and 2am. Otherwise, mostly cloudy, with a low around 49. Southeast wind around 5 mph.
Friday
 
Showers, mainly after 10am. High near 56. South southeast wind 6 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
 
Showers. Low around 54. South southeast wind 7 to 9 mph. Chance of precipitation is 90%.
Saturday
 
Showers. High near 55. Chance of precipitation is 80%.
Saturday Night
 
Showers. Low around 54. Chance of precipitation is 100%.
Sunday
 
Showers. Cloudy, with a high near 56.
Sunday Night
 
Showers, with thunderstorms also possible after 10pm. Cloudy, with a low around 54.
Monday
 
Showers. Cloudy, with a high near 54.
Monday Night
 
Showers. Cloudy, with a low around 50.
Tuesday
 
Showers likely and possibly a thunderstorm. Cloudy, with a high near 52.
Tuesday Night
 
Showers. Cloudy, with a low around 49.
Wednesday
 
Showers likely. Cloudy, with a high near 52.

 

Forecast from NOAA-NWS for Loomis CA.