National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Jolon Hills (PG727)

Lat: 35.88446°NLon: 120.95584°WElev: 1495.0ft.

NA

62°F

17°C

Humidity 57%
Wind Speed ENE 3 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 19 Oct 01:20 AM PDT
Extended Forecast for

Lake San Antonio CA

  • Overnight

    Overnight: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Areas of fog after 4am. Otherwise, increasing clouds, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy
    then Areas
    Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, partly sunny, with a high near 73. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 73 °F

    Areas Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 11pm. Areas of fog after 5am. Otherwise, mostly cloudy, with a low around 45. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Showers
    Likely and
    Areas Fog

  • Wednesday

    Wednesday: Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. Areas of fog before 10am. High near 66. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Showers and
    Areas Fog

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 11pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers after 11am. Areas of fog before 10am. Otherwise, partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers and
    Areas Fog

  • Thursday Night

    Thursday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 41.

    Low: 41 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Overnight
Mostly clear, with a low around 45. Calm wind.
Monday
Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Areas of fog after 4am. Otherwise, increasing clouds, with a low around 42. Calm wind.
Tuesday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 73. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
Showers likely, mainly after 11pm. Areas of fog after 5am. Otherwise, mostly cloudy, with a low around 45. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. Areas of fog before 10am. High near 66. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers likely, mainly before 11pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Thursday
A chance of showers after 11am. Areas of fog before 10am. Otherwise, partly sunny, with a high near 69.
Thursday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 41.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 72.
Friday Night
Patchy fog. Otherwise, clear, with a low around 41.
Saturday
Patchy fog. Otherwise, sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 42.
Sunday
A slight chance of rain. Patchy fog. Otherwise, sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake San Antonio CA
 35.86°N 120.99°W (Elev. 988 ft)
Last Update:
1:26 am PDT Oct 19, 2026
Forecast Valid:
1am PDT Oct 19, 2026-6pm PDT Oct 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation