Current conditions at

OTAY MOUNTAIN (OTYC1)

Lat: 32.60092°NLon: 116.84103°WElev: 3283.0ft.

NA

91°F

33°C

Humidity 19%
Wind Speed N 6 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Heat Index87°F (31°C)
Last update 25 Aug 05:14 PM PDT
Extended Forecast for

5 Miles E Chula Vista-Eastlake CA

Extreme Heat Warning August 25, 05:39pm until August 28, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 25, 05:39pm until August 28, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 96. Light west wind increasing to 5 to 10 mph in the morning.

    High: 96 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 73. Northwest wind around 5 mph becoming calm.

    Low: 73 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 99. Southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 99 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. West wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 100.

    High: 100 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 71. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 96. Light west wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 73. Northwest wind around 5 mph becoming calm.
Thursday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 99. Southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 74. West wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 100.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Mostly sunny, with a high near 86.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Chula Vista-Eastlake CA
 32.64°N 116.89°W (Elev. 591 ft)
5:10 pm PDT Aug 25, 2026
5pm PDT Aug 25, 2026-6pm PDT Sep 1, 2026
 
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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