National Weather Service Forecast for: Spring Valley CA
Issued by: National Weather Service San Diego, CA
Updated: 1:01 pm PDT Jul 8, 2025
 
This
Afternoon
This Afternoon: Sunny, with a high near 84. West wind around 10 mph.
Sunny
Tonight

Tonight: Mostly clear, with a low around 64. West wind around 5 mph becoming calm  after midnight.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 86. Light northwest wind becoming west 5 to 10 mph in the morning.
Sunny
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 64. West wind around 5 mph becoming calm  after midnight.
Partly Cloudy
Thursday

Thursday: Mostly sunny, with a high near 87. Light west wind increasing to 5 to 10 mph in the afternoon.
Mostly Sunny
Thursday
Night
Thursday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 63.
Patchy Fog
Friday

Friday: Patchy fog before 11am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 82.
Patchy Fog
then Sunny
Friday
Night
Friday Night: Patchy fog after 11pm.  Otherwise, increasing clouds, with a low around 62.
Patchy Fog
Saturday

Saturday: Patchy fog before 11am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 81.
Patchy Fog
then Sunny
Hi 84 °F Lo 64 °F Hi 86 °F Lo 64 °F Hi 87 °F Lo 63 °F Hi 82 °F Lo 62 °F Hi 81 °F

Heat Advisory
 

This Afternoon
 
Sunny, with a high near 84. West wind around 10 mph.
Tonight
 
Mostly clear, with a low around 64. West wind around 5 mph becoming calm after midnight.
Wednesday
 
Sunny, with a high near 86. Light northwest wind becoming west 5 to 10 mph in the morning.
Wednesday Night
 
Partly cloudy, with a low around 64. West wind around 5 mph becoming calm after midnight.
Thursday
 
Mostly sunny, with a high near 87. Light west wind increasing to 5 to 10 mph in the afternoon.
Thursday Night
 
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 63.
Friday
 
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82.
Friday Night
 
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 62.
Saturday
 
Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 81.
Saturday Night
 
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 61.
Sunday
 
Patchy fog. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81.
Sunday Night
 
Patchy fog. Otherwise, increasing clouds, with a low around 62.
Monday
 
Patchy fog. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 80.

 

Forecast from NOAA-NWS for Spring Valley CA.