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

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

82°F

28°C

Humidity 35%
Wind Speed S 7 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Heat Index81°F (27°C)
Last update 07 Jul 12:09 PM PDT
Extended Forecast for

Hidden Valley Lake CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. South southwest wind around 7 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Southwest wind 5 to 9 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 57. Southwest wind 5 to 9 mph becoming calm in the evening.

    Low: 57 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 96. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58. Southwest wind 5 to 9 mph becoming calm in the evening.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 97.

    High: 97 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 88. South southwest wind around 7 mph.
Tonight
Mostly clear, with a low around 53. Southwest wind 5 to 9 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 92. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Wednesday Night
Clear, with a low around 57. Southwest wind 5 to 9 mph becoming calm in the evening.
Thursday
Sunny, with a high near 96. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Thursday Night
Clear, with a low around 58. Southwest wind 5 to 9 mph becoming calm in the evening.
Friday
Sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 97.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 95.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...
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 Jul 7, 2026
Forecast Valid:
12pm PDT Jul 7, 2026-6pm PDT Jul 13, 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