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December 18th, 2025 :: 12:36 am PST   

Local Weather Report for
San Luis Obispo
California, United States

 Current San Luis Obispo Weather Conditions Updated December 17th at 11:56 pm 
Temperature:55°F Dew Point:52°F
Barometer:30.09 inHg Wind:calm
Humidity:87.6% Visibility:0M
 
 San Luis Obispo Weather Forecast Summary  
 
Today
Dec 18th
Friday
Dec 19th
Saturday
Dec 20th
Sunday
Dec 21st
Monday
Dec 22nd
Cloudy Cloudy Cloudy Cloudy Cloudy
76°F
65°F
53°F
70°F
55°F
64°F
54°F
63°F
52°F
 
 San Luis Obispo Detailed Weather Forecast  
 
Thursday, December 18th, 2025
Overnight Temperature: 54°F
Clear with cloudy periods.
Morning Temperature: 72°F
Cloudy.
Afternoon Temperature: 64°F
Cloudy.
Evening Temperature: 56°F
Clear.
Friday, December 19th, 2025
Overnight Temperature: 53°F
A mix of cloudy and clear skies.
Morning Temperature: 64°F
Cloudy. Windy at times.
Afternoon Temperature: 58°F
Cloudy.
Evening Temperature: 56°F
A mix of cloudy and clear skies.
Saturday, December 20th, 2025
Overnight Temperature: 55°F
Cloudy.
Morning Temperature: 68°F
Cloudy.
Afternoon Temperature: 59°F
Cloudy.
Evening Temperature: 57°F
Cloudy.
Sunday, December 21st, 2025
Overnight Temperature: 56°F
Cloudy.
Morning Temperature: 63°F
Cloudy.
Afternoon Temperature: 59°F
Cloudy.
Evening Temperature: 55°F
Cloudy.
Monday, December 22nd, 2025
Overnight Temperature: 53°F
Cloudy.
Morning Temperature: 63°F
Cloudy.
Afternoon Temperature: 58°F
Cloudy.
Evening Temperature: 53°F
Cloudy.
Tuesday, December 23rd, 2025
Overnight Temperature: 51°F
Cloudy.
Morning Temperature: 62°F
Cloudy. Windy.
Afternoon Temperature: 60°F
Cloudy with a slight chance of showers. Windy.
Evening Temperature: 60°F
Cloudy with showers. Slight chance of a thunderstorm. Wind 20 to 30 mph.
Wednesday, December 24th, 2025
Overnight Temperature: 55°F
Cloudy with a few showers.
Morning Temperature: 56°F
Cloudy with a chance of showers. Windy at times.
Afternoon Temperature: 54°F
Sunny. Windy at times.
Evening Temperature: 52°F
Clear. Windy at times.
Thursday, December 25th, 2025
Overnight Temperature: 56°F
Cloudy. Windy.
Morning Temperature: 60°F
Cloudy with showers likely. Wind 20 to 30 mph.
Afternoon Temperature: 57°F
Cloudy with showers. Slight chance of a thunderstorm. Wind 20 to 30 mph.
Evening Temperature: 55°F
Cloudy with showers. Slight chance of a thunderstorm. Windy at times.
Friday, December 26th, 2025
Overnight Temperature: 54°F
Cloudy with a few showers. Slight chance of a thunderstorm. Windy.
Morning Temperature: 53°F
Cloudy with a few showers. Slight chance of a thunderstorm. Windy.
Afternoon Temperature: 50°F
A mix of cloud and sun with a few showers. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 48°F
Cloudy with showers likely.





 

  [ Local Weather Report ]
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Santa Maria, CA 
11:51 PM  55°F
 
 
Paso Robles, CA 
11:53 PM  45°F
Mostly Clear
 
Lompoc, CA 
11:51 PM  55°F
light rain
 
Vandenberg, CA 
11:51 PM  55°F
light rain

 
This WeatherCity Weather Forecast for San Luis Obispo, California, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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