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Lake Nacimiento, California Weather Forecast
Lake Nacimiento, California Weather
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Weather Forecast for Lake Nacimiento, California : San Luis Obispo County
Issued: 1:06 am PST Dec 18, 2025 Latitude: 35.7283018 Longitude: -120.879626 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Clear on Overnight Sunny on Thursday Morning Fog on Friday Mostly Sunny on Saturday 20% chance of rain on Sunday 20% chance of rain on Monday 70% chance of rain on Tuesday Rain on Wednesday
Low: 44°F High: 71°F High: 68°F High: 68°F High: 64°F High: 63°F High: 62°F High: 60°F
Low: 43°F Low: 48°F Low: 52°F Low: 53°F Low: 51°F Low: 50°F  
Mostly Clear Sunny Morning Fog Mostly Sunny Rain Rain Rain Rain
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Current Conditions at
PASO ROBLES - (KPRB)
46°
Mostly Clear
as of 12:53 AM PST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 1900ft
Current Conditions at
SAN LUIS OBISPO - (KSBP)
54°
Clear
as of 12:56 AM PST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SANTA MARIA - (KSMX)
55°
Clear
as of 12:51 AM PST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
9 MPH
280° West
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly cloudy early, then becoming mostly clear, with a low around 44. Northeast wind around 5 mph.

Sunny on Thursday Thursday... Sunny, with a high near 71. North northeast wind around 5 mph.

Patchy Fog on Thursday Night Thursday Night... Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 43. East wind around 5 mph becoming north northwest after midnight.

Morning Fog on Friday Friday... Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 68. North northeast wind around 5 mph becoming west northwest in the afternoon.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 48. North northwest wind around 5 mph becoming calm in the evening.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 68.

20% chance of rain Saturday Night Saturday Night... A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 52.

20% chance of rain Sunday Sunday... A chance of rain. Cloudy, with a high near 64.

20% chance of rain Sunday Night Sunday Night... A chance of rain. Cloudy, with a low around 53.

20% chance of rain Monday Monday... A chance of rain. Cloudy, with a high near 63.

20% chance of rain Monday Night Monday Night... A chance of rain. Cloudy, with a low around 51.

70% chance of rain Tuesday Tuesday... Rain likely. Cloudy, with a high near 62.

70% chance of rain Tuesday Night Tuesday Night... Rain likely. Cloudy, with a low around 50.

Rain on Wednesday Wednesday... Rain. Cloudy, with a high near 60.

Current Radar Image


Sun Almanac for Lake Nacimiento, California
Sunrise: 07:08 AM
Sunset: 4:53 PM
Civil Sunrise:06:40 AM
Civil Sunset: 5:21 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 5:53 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:24 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.