National Weather Service Forecast for: 3 Miles NW San Diego-Rancho Bernardo CA
Issued by: National Weather Service San Diego, CA
Updated: 5:33 am PDT Oct 6, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 98. West wind around 10 mph, with gusts as high as 20 mph.
Sunny
Tonight

Tonight: Clear, with a low around 70. Calm wind.
Clear
Wednesday

Wednesday: Sunny, with a high near 95. Light west wind increasing to 5 to 10 mph in the morning.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 69. Calm wind.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 94. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 68.
Mostly Clear
Friday

Friday: Patchy fog before 11am.  Otherwise, sunny, with a high near 90.
Patchy Fog
then Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 66.
Mostly Clear
Saturday

Saturday: Mostly sunny, with a high near 84.
Mostly Sunny
Hi 98 °F Lo 70 °F Hi 95 °F Lo 69 °F Hi 94 °F Lo 68 °F Hi 90 °F Lo 66 °F Hi 84 °F

Extreme Heat Warning
 

This Afternoon
 
Sunny, with a high near 98. West wind around 10 mph, with gusts as high as 20 mph.
Tonight
 
Clear, with a low around 70. Calm wind.
Wednesday
 
Sunny, with a high near 95. Light west wind increasing to 5 to 10 mph in the morning.
Wednesday Night
 
Mostly clear, with a low around 69. Calm wind.
Thursday
 
Sunny, with a high near 94. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
 
Mostly clear, with a low around 68.
Friday
 
Patchy fog before 11am. Otherwise, sunny, with a high near 90.
Friday Night
 
Mostly clear, with a low around 66.
Saturday
 
Mostly sunny, with a high near 84.
Saturday Night
 
Partly cloudy, with a low around 64.
Sunday
 
A slight chance of showers. Mostly sunny, with a high near 78.
Sunday Night
 
A chance of showers. Mostly cloudy, with a low around 60.
Columbus Day
 
A chance of showers. Mostly sunny, with a high near 75.

 

Forecast from NOAA-NWS for 3 Miles NW San Diego-Rancho Bernardo CA.