Current conditions at

WHITAKER PEAK (WTPC1)

Lat: 34.56938° N Lon: 118.74019° W Elev: 4120.0 ft.

NA

77°F

25°C

Humidity 37%
Wind Speed SSE 7 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Heat Index78°F (26°C)
Last update 20 Sep 01:57 PM PDT
Detailed forecast for

Interstate 5 Corridor

Tonight
Mostly cloudy. Patchy fog after midnight. Lows in the 50s to around 60.
Monday
Low clouds and fog in the morning then sunny. Highs from the lower to mid 80s at low elevations to the mid to upper 70s at high elevations. Southwest winds around 15 mph in the afternoon.
Monday Night
Mostly clear. Lows in the upper 40s and 50s. West winds around 15 mph shifting to the northwest after midnight.
Tuesday
Sunny. Highs from the mid 80s to around 90 at low elevations to around 80 at high elevations. Northwest winds around 15 mph.
Tuesday Night
Clear. Lows in the mid 50s to mid 60s. Northwest winds around 15 mph.
Wednesday
Sunny. Highs from the lower to mid 90s at low elevations to the mid to upper 80s at high elevations.
Wednesday Night
Clear. Lows in the lower to mid 60s.
Thursday
Sunny. Highs from around 90 at low elevations to the upper 70s to mid 80s at high elevations.
Thursday Night
Mostly clear. Lows in the lower to mid 60s.
Friday
Sunny. Highs from the mid 80s to around 90 at low elevations to the mid 70s to lower 80s at high elevations.
Friday Night
Mostly clear. Lows in the mid 50s to mid 60s.
Saturday
Sunny. Highs from the lower to mid 80s at low elevations to the mid to upper 70s at high elevations.
Saturday Night
Mostly clear. Lows in the mid 50s to lower 60s.
Sunday
Sunny. Highs from around 80 at low elevations to the lower to mid 70s at high elevations.



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201 PM PDT Sun Sep 20 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database