National Weather Service Forecast for: Blue Jay CA
Issued by: National Weather Service San Diego, CA
Updated: 12:05 pm PDT Jul 12, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 71. South wind around 5 mph becoming calm.
Partly Cloudy

 Monday

Monday: A slight chance of showers and thunderstorms after 11am. Increasing clouds, with a high near 81. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
Slight Chance
T-storms
 Monday
Night
Monday Night: Mostly cloudy, with a low around 72. Calm wind.
Mostly Cloudy

 Tuesday

Tuesday: A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Slight Chance
T-storms
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 75. South wind 5 to 10 mph becoming light and variable in the evening.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 91.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 75.
Mostly Clear

 Thursday

Thursday: A chance of showers after 11am. Mostly sunny, with a high near 88.
Chance
Showers
 Thursday
Night
Thursday Night: A slight chance of showers before 11pm. Partly cloudy, with a low around 71.
Slight Chance
Showers then
Partly Cloudy
Lo 71 °F Hi 81 °F Lo 72 °F Hi 86 °F Lo 75 °F Hi 91 °F Lo 75 °F Hi 88 °F Lo 71 °F

Extreme Heat Watch
 

Tonight
 
 Partly cloudy, with a low around 71. South wind around 5 mph becoming calm.
Monday
 
 A slight chance of showers and thunderstorms after 11am. Increasing clouds, with a high near 81. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
 
 Mostly cloudy, with a low around 72. Calm wind.
Tuesday
 
 A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
 
 Mostly clear, with a low around 75. South wind 5 to 10 mph becoming light and variable in the evening.
Wednesday
 
 Sunny, with a high near 91.
Wednesday Night
 
 Mostly clear, with a low around 75.
Thursday
 
 A chance of showers after 11am. Mostly sunny, with a high near 88.
Thursday Night
 
 A slight chance of showers before 11pm. Partly cloudy, with a low around 71.
Friday
 
 A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 80.
Friday Night
 
 A chance of showers. Partly cloudy, with a low around 68.
Saturday
 
 A chance of showers. Mostly sunny, with a high near 77.
Saturday Night
 
 A slight chance of showers. Partly cloudy, with a low around 67.
Sunday
 
 Sunny, with a high near 78.

 

Forecast from NOAA-NWS for Blue Jay CA.