Halcyon, California Weather
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Weather Forecast for Halcyon, California : San Luis Obispo County
Issued: 4:07 am PDT Jul 1, 2025 Latitude: 35.1033092 Longitude: -120.5957255 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Independence Day Saturday Sunday Monday
Clearing on Today Increasing Clouds on Tonight Clearing on Wednesday Morning Fog on Thursday Morning Fog on Independence Day Morning Fog on Saturday Patchy Fog on Sunday Patchy Fog on Monday
High: 65°F Low: 51°F High: 64°F High: 66°F High: 66°F High: 67°F High: 66°F High: 64°F
Low: 52°F Low: 51°F Low: 51°F Low: 51°F Low: 51°F  
Clearing Increasing Clouds Clearing Morning Fog Morning Fog Morning Fog Patchy Fog Patchy Fog
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Current Conditions at
SAN LUIS OBISPO - (KSBP)
52°
Cloudy
Mist
as of 6:34 AM PDST
Rel. Humidity: 93%
Dew Point: 50°F
Visibility: 2 Miles
Pressure: 29.90 in.
Flight Rule: LIFR
Wind Data
3 MPH
Cloud Level(s): Solid Overcast at 300ft
Current Conditions at
SANTA MARIA - (KSMX)
52°
Mostly Cloudy
Fog
as of 5:51 AM PDST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 1/2 Miles
Pressure: 29.90 in.
Flight Rule: IFR
Wind Data
6 MPH
280° West
Current Conditions at
VANDENBERG AFB - (KVBG)
52°
Clear
Fog
as of 5:55 AM PDST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 3/8 Miles
Pressure: 29.90 in.
Flight Rule: MVFR
Wind Data
Calm
Clearing on Today Today... Cloudy through mid morning, then gradual clearing, with a high near 65. Light west northwest wind becoming west 5 to 10 mph in the afternoon.
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 51. West northwest wind 5 to 10 mph.
Clearing on Wednesday Wednesday... Cloudy through mid morning, then gradual clearing, with a high near 64. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Increasing Clouds on Wednesday Night Wednesday Night... Increasing clouds, with a low around 52. West wind 5 to 10 mph, with gusts as high as 15 mph.
Morning Fog on Thursday Thursday... Patchy fog before 11am. Otherwise, mostly sunny, with a high near 66. Light northwest wind becoming west 5 to 10 mph in the afternoon.
Patchy Fog on Thursday Night Thursday Night... Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 51.
Morning Fog on Independence Day Independence Day... Patchy fog before 11am. Otherwise, mostly sunny, with a high near 66.
Patchy Fog on Friday Night Friday Night... Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 51.
Morning Fog on Saturday Saturday... Patchy fog before 11am. Otherwise, mostly sunny, with a high near 67.
Patchy Fog on Saturday Night Saturday Night... Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 51.
Patchy Fog on Sunday Sunday... Patchy fog. Otherwise, mostly sunny, with a high near 66.
Patchy Fog on Sunday Night Sunday Night... Patchy fog. Otherwise, mostly cloudy, with a low around 51.
Patchy Fog on Monday Monday... Patchy fog. Otherwise, mostly sunny, with a high near 64.
Sun Almanac for Halcyon, California
Sunrise: 05:52 AM
Sunset: 8:21 PM
Civil Sunrise:05:23 AM
Civil Sunset: 8:50 PM
Nautical Sunrise: 04:46 AM
Nautical Sunset: 9:27 PM
Astro Sunrise: 04:06 AM
Astro Sunset: 10:07 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.