National Weather Service Forecast for: Spring Valley CA
Issued by: National Weather Service San Diego, CA
Updated: 12:29 am PDT Jun 22, 2026
 
Overnight

Overnight: Patchy fog.  Otherwise, mostly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm.
Patchy Fog

Monday

Monday: Patchy fog before 11am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Patchy Fog
then Sunny
Monday
Night
Monday Night: Patchy fog after 11pm.  Otherwise, increasing clouds, with a low around 61. West wind around 5 mph becoming calm  in the evening.
Patchy Fog

Tuesday

Tuesday: Patchy fog before 11am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 83. Light northwest wind becoming west 5 to 10 mph in the morning.
Patchy Fog
then Mostly
Sunny
Tuesday
Night
Tuesday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 64. West wind around 5 mph becoming calm  in the evening.
Patchy Fog

Wednesday

Wednesday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 85.
Patchy Fog
then Sunny
Wednesday
Night
Wednesday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 63.
Patchy Fog

Thursday

Thursday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 83.
Patchy Fog
then Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 61.
Mostly Clear

Lo 60 °F Hi 80 °F Lo 61 °F Hi 83 °F Lo 64 °F Hi 85 °F Lo 63 °F Hi 83 °F Lo 61 °F

 

Overnight
 
Patchy fog. Otherwise, mostly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm.
Monday
 
Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Monday Night
 
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 61. West wind around 5 mph becoming calm in the evening.
Tuesday
 
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 83. Light northwest wind becoming west 5 to 10 mph in the morning.
Tuesday Night
 
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 64. West wind around 5 mph becoming calm in the evening.
Wednesday
 
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 85.
Wednesday Night
 
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 63.
Thursday
 
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 83.
Thursday Night
 
Mostly clear, with a low around 61.
Friday
 
Mostly sunny, with a high near 82.
Friday Night
 
Mostly clear, with a low around 60.
Saturday
 
Mostly sunny, with a high near 80.
Saturday Night
 
Increasing clouds, with a low around 60.
Sunday
 
Mostly cloudy through mid morning, then gradual clearing, with a high near 75.

 

Forecast from NOAA-NWS for Spring Valley CA.