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Arroyo Grande, California Weather Forecast
Arroyo Grande, California Weather
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Weather Forecast for Arroyo Grande, California : San Luis Obispo County
Issued: 1:31 pm PST Dec 17, 2025 Latitude: 35.1185869 Longitude: -120.5907252 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Clear on Tonight Sunny on Thursday Sunny on Friday Morning Fog on Saturday 20% chance of rain on Sunday 20% chance of rain on Monday Rain on Tuesday Rain on Wednesday
Low: 55°F High: 73°F High: 67°F High: 68°F High: 63°F High: 63°F High: 62°F High: 61°F
Low: 48°F Low: 50°F Low: 54°F Low: 53°F Low: 52°F Low: 54°F  
Mostly Clear Sunny Sunny Morning Fog Rain Rain Rain Rain
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Current Conditions at
SAN LUIS OBISPO - (KSBP)
61°
Clear
as of 4:56 PM PST
Rel. Humidity: 87%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
12 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
SANTA MARIA - (KSMX)
61°
Clear
as of 4:51 PM PST
Rel. Humidity: 87%
Dew Point: 57°F
Visibility: 8 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
13 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
VANDENBERG AFB - (KVBG)
61°
Mostly Cloudy
as of 5:05 PM PST
Rel. Humidity: 93%
Dew Point: 59°F
Visibility: 9 Miles
Pressure: 30.06 in.
Flight Rule: LIFR
Wind Data
13 MPH
020° North
Cloud Level(s): Broken at 400ft
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 55. North wind 5 to 10 mph.
Sunny on Thursday Thursday... Sunny, with a high near 73. North wind 10 to 15 mph.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 48. North northeast wind 5 to 10 mph.
Sunny on Friday Friday... Sunny, with a high near 67. Light north wind becoming northwest 10 to 15 mph in the afternoon.
Patchy Fog on Friday Night Friday Night... Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 50. North wind around 5 mph becoming calm after midnight.
Morning Fog on Saturday Saturday... Patchy fog before 10am. Otherwise, cloudy, with a high near 68.
20% chance of rain Saturday Night Saturday Night... A 20 percent chance of showers after 10pm. Cloudy, with a low around 54.
20% chance of rain Sunday Sunday... A chance of showers, mainly after 10am. Cloudy, with a high near 63.
20% chance of rain Sunday Night Sunday Night... A chance of showers. Cloudy, with a low around 53.
20% chance of rain Monday Monday... A chance of showers. Cloudy, with a high near 63.
20% chance of rain Monday Night Monday Night... A chance of showers. Cloudy, with a low around 52.
Rain on Tuesday Tuesday... Showers likely. Cloudy, with a high near 62.
Rain on Tuesday Night Tuesday Night... Showers. Cloudy, with a low around 54.
Rain on Wednesday Wednesday... Showers. Cloudy, with a high near 61.
Sun Almanac for Arroyo Grande, California
Sunrise: 07:05 AM
Sunset: 4:53 PM
Civil Sunrise:06:37 AM
Civil Sunset: 5:21 PM
Nautical Sunrise: 06:05 AM
Nautical Sunset: 5:53 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 6:23 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.