Antonio, California Weather
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Weather Forecast for Antonio, California : Santa Barbara County
Issued: 1:32 pm PDT Sep 15, 2025 Latitude: 34.8352576 Longitude: -120.5698912 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Fog on Tonight Morning Fog on Tuesday Mostly Sunny on Wednesday 60% chance of thunderstorms on Thursday 20% chance of rain on Friday Mostly Sunny on Saturday Patchy Fog on Sunday Patchy Fog on Monday
Low: 51°F High: 74°F High: 75°F High: 72°F High: 72°F High: 70°F High: 70°F High: 72°F
Low: 54°F Low: 55°F Low: 56°F Low: 57°F Low: 56°F Low: 57°F  
Fog Morning Fog Mostly Sunny Thunderstorms Rain Mostly Sunny Patchy Fog Patchy Fog
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Current Conditions at
SANTA MARIA - (KSMX)
66°
Clear
as of 5:51 PM PDST
Rel. Humidity: 72%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
7 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
SAN LUIS OBISPO - (KSBP)
72°
Clear
as of 5:56 PM PDST
Rel. Humidity: 60%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
10 MPH
310° Northwest
Cloud Level(s): Clear
Fog on Tonight Tonight... Patchy dense fog after 11pm. Otherwise, increasing clouds, with a low around 51. West northwest wind around 5 mph becoming calm in the evening.
Morning Fog on Tuesday Tuesday... Patchy dense fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 74. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 75. Light and variable wind becoming west northwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
30% chance of thunderstorms Wednesday Night Wednesday Night... A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 55. West northwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
60% chance of thunderstorms Thursday Thursday... A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
40% chance of thunderstorms Thursday Night Thursday Night... A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
20% chance of rain Friday Friday... A chance of showers, mainly before 11am. Mostly sunny, with a high near 72.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 57.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 70.
Patchy Fog on Saturday Night Saturday Night... Patchy fog. Otherwise, mostly cloudy, with a low around 56.
Patchy Fog on Sunday Sunday... Patchy fog. Otherwise, mostly sunny, with a high near 70.
Patchy Fog on Sunday Night Sunday Night... Patchy fog. Otherwise, mostly cloudy, with a low around 57.
Patchy Fog on Monday Monday... Patchy fog. Otherwise, partly sunny, with a high near 72.
Current Radar Image


Sun Almanac for Antonio, California
Sunrise: 06:46 AM
Sunset: 7:09 PM
Civil Sunrise:06:20 AM
Civil Sunset: 7:34 PM
Nautical Sunrise: 05:51 AM
Nautical Sunset: 8:04 PM
Astro Sunrise: 05:21 AM
Astro Sunset: 8:34 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.