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

Hazardous Weather Conditions

Current conditions at

OTAY MOUNTAIN (OTYC1)

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

NA

90°F

32°C

Humidity 34%
Wind Speed W 10 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Heat Index89°F (32°C)
Last update 22 Aug 03:14 PM PDT
Extended Forecast for

3 Miles E Chula Vista-Eastlake CA

Extreme Heat Watch August 25, 10:00am until August 28, 08:00pm
Heat Advisory August 22, 03:33pm until August 25, 10:00am
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory
  •  
    Heat Advisory August 22, 03:33pm until August 25, 10:00am

    NOW until 10:00am Tue

    Heat Advisory

  • Tonight

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70. West wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 90. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. West wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, sunny, with a high near 94.

    High: 94 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

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

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 97.

    High: 97 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 70. West wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 93. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 70. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 90. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 70. West wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 11am. Otherwise, sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny, with a high near 97.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny, with a high near 98.
Thursday Night
Mostly clear, with a low around 74.
Friday
Sunny, with a high near 97.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Chula Vista-Eastlake CA
 32.64°N 116.92°W (Elev. 548 ft)
Last Update:
1:41 pm PDT Aug 22, 2026
Forecast Valid:
3pm PDT Aug 22, 2026-6pm PDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation