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Check Water Temperatures Before Your River Visit

Water temperatures below 70 degrees causes you to lose breathing & muscle control which can lead to drowning. The colder the water the more extreme the impacts. Enjoy the river by staying dry when water is cold. Read More >

Current conditions at

KNOXVILLE CREEK (KNXC1)

Lat: 38.86194°NLon: 122.41722°WElev: 2200.0ft.

NA

85°F

29°C

Humidity 37%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Heat Index84°F (29°C)
Last update 15 Jun 09:09 AM PDT
Extended Forecast for

Hidden Valley Lake CA

  • Today

    Today: Sunny, with a high near 97. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.

    High: 97 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Southwest wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Calm wind becoming southeast around 5 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. South southwest wind 5 to 9 mph becoming calm after midnight.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Juneteenth

    Juneteenth: Patchy fog before 8am. Otherwise, sunny, with a high near 80.

    High: 80 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Sunny, with a high near 97. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.
Tonight
Mostly clear, with a low around 57. Southwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 95. Calm wind becoming southeast around 5 mph.
Tuesday Night
Mostly clear, with a low around 55. Southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 54. South southwest wind 5 to 9 mph becoming calm after midnight.
Thursday
Sunny, with a high near 86.
Thursday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 51.
Juneteenth
Patchy fog before 8am. Otherwise, sunny, with a high near 80.
Friday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 49.
Saturday
Areas of fog. Otherwise, sunny, with a high near 83.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 52.
Sunday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hidden Valley Lake CA
 38.8°N 122.51°W (Elev. 1240 ft)
Last Update:
2:10 am PDT Jun 15, 2026
Forecast Valid:
9am PDT Jun 15, 2026-6pm PDT Jun 21, 2026
 
Forecast Discussion
 
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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