Union, California Weather
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Weather Forecast for Union, California : San Luis Obispo County
Issued: 4:07 am PDT Jul 2, 2025 Latitude: 35.6374701 Longitude: -120.5609977 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Independence Day Saturday Sunday Monday Tuesday
Sunny on Today Clear on Tonight Sunny on Thursday Sunny on Independence Day Sunny on Saturday Sunny on Sunday Sunny on Monday Sunny on Tuesday
High: 92°F Low: 53°F High: 91°F High: 89°F High: 89°F High: 91°F High: 88°F High: 92°F
Low: 52°F Low: 50°F Low: 52°F Low: 52°F Low: 52°F  
Sunny Clear Sunny Sunny Sunny Sunny Sunny Sunny
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Current Conditions at
PASO ROBLES - (KPRB)
52°
Clear
as of 5:53 AM PDST
Rel. Humidity: 81%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SANTA MARIA - (KSMX)
52°
Partly Cloudy
Fog
as of 6:14 AM PDST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 1/2 Miles
Pressure: 29.88 in.
Flight Rule: IFR
Wind Data
7 MPH
270° West
Sunny on Today Today... Sunny, with a high near 92. Light south southwest wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

Clear on Tonight Tonight... Clear, with a low around 53. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

Sunny on Thursday Thursday... Sunny, with a high near 91. West wind 5 to 15 mph, with gusts as high as 20 mph.

Clear on Thursday Night Thursday Night... Clear, with a low around 52. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.

Sunny on Independence Day Independence Day... Sunny, with a high near 89. West wind 5 to 10 mph, with gusts as high as 15 mph.

Clear on Friday Night Friday Night... Clear, with a low around 50.

Sunny on Saturday Saturday... Sunny, with a high near 89.

Clear on Saturday Night Saturday Night... Clear, with a low around 52.

Sunny on Sunday Sunday... Sunny, with a high near 91.

Clear on Sunday Night Sunday Night... Clear, with a low around 52.

Sunny on Monday Monday... Sunny, with a high near 88.

Clear on Monday Night Monday Night... Clear, with a low around 52.

Sunny on Tuesday Tuesday... Sunny, with a high near 92.

Current Radar Image


Sun Almanac for Union, California
Sunrise: 05:51 AM
Sunset: 8:22 PM
Civil Sunrise:05:21 AM
Civil Sunset: 8:52 PM
Nautical Sunrise: 04:44 AM
Nautical Sunset: 9:29 PM
Astro Sunrise: 04:03 AM
Astro Sunset: 10:10 PM
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