It is 71°F in Spring Valley, CA 91978, observed at 2:05 PM PDT. Today: Mostly Cloudy, high 75°F, low 59°F. Hourly and 10-day forecast from the National Weather Service. Times are local (PDT).
Spring Valley, CA 91978 current weather
71°F
Mostly Cloudy
H 75° / L 59°Feels like 71°
Observed at EW3070 Rancho San Diego (2 mi away), 10/29/2026, 2:05 PM PDT
10-day forecast
Tap a day for details
Today10/2924% chance of precipitationLow 59°High 75°
This Afternoon: Mostly cloudy, with a high near 75. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight: A slight chance of rain showers after 11pm. Mostly cloudy, with a low around 59. Southwest wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly Cloudy
Fri10/3024% chance of precipitationLow 57°High 72°
Friday: A slight chance of rain showers. Cloudy, with a high near 72. Southwest wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Friday Night: A slight chance of rain showers before 5am. Mostly cloudy, with a low around 57. Southeast wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Slight Chance Rain Showers
Sat10/3192% chance of precipitationLow 58°High 73°
Saturday: Rain showers likely after 5pm. Cloudy, with a high near 73. South wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Saturday Night: Rain showers. Cloudy, with a low around 58. Chance of precipitation is 90%.
Cloudy then Rain Showers Likely
Sun11/185% chance of precipitationLow 54°High 70°
Sunday: Rain showers. Mostly cloudy, with a high near 70.
Sunday Night: A chance of rain showers before 10pm. Partly cloudy, with a low around 54.
Rain Showers
Mon11/2Low 54°High 74°
Monday: Sunny, with a high near 74.
Monday Night: Mostly clear, with a low around 54.
Sunny
Tue11/310% chance of precipitationLow 55°High 77°
Tuesday: Sunny, with a high near 77.
Tuesday Night: Mostly clear, with a low around 55.
Sunny
Wed11/410% chance of precipitationLow 55°High 76°
Wednesday: Mostly sunny, with a high near 76.
Wednesday Night: Partly cloudy, with a low around 55.
Mostly Sunny
Model blend
Thu11/5Model blendLow 54°High 75°
Thursday: Partly cloudy. High near 75°. Low that night near 54°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Fri11/6Model blend21% chance of precipitationLow 55°High 75°
Friday: Partly cloudy, slight chance of rain. High near 75°. Low that night near 55°. About 0.07 in of precipitation.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Sat11/7Model blend10% chance of precipitationLow 55°High 78°
Saturday: Mostly sunny. High near 78°. Low that night near 55°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
What is the weather in Spring Valley, CA 91978 right now?
The latest observation from EW3070 Rancho San Diego was 71°F, reported at 10/29/2026, 2:05 PM PDT.
What is the high temperature today in Spring Valley, CA 91978?
The National Weather Service forecast for this afternoon calls for a high near 75°F. Mostly Cloudy.
What is the 10-day forecast for Spring Valley, CA 91978?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 5 to Nov 7) come from the NOAA National Blend of Models, with highs of 75°F to 78°F. Model guidance this far out often changes.
What time is sunrise and sunset in Spring Valley, CA 91978 today?
Sunrise is about 7:03 AM PDT and sunset is about 5:59 PM PDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Spring Valley, CA 91978?
At El Cajon, the 1991 to 2020 normal high in October is 81°F and the normal low is 56°F.
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