Spring Valley Weather Forecast
- 54
- 67
Chance Rain Showers
- 51
- 65
Chance Rain Showers
- 49
- 70
Mostly Sunny
- 52
- 72
Partly Sunny
- 52
- 71
Partly Sunny
- 52
- 73
Mostly Sunny
Today 12 Apr San Diego County Inland Valleys
Mostly cloudy. A chance of Showers in the Morning, then Showers likely and a slight chance of Thunderstorms in the afternoon. Highs 65 to 69 in the western Valleys to 58 to 63 near the Foothills. Areas of Winds south 10 to 15 Mph. Gusts to 25 Mph. Becoming 30 Mph in the afternoon. Chance of measurable precipitation 70 percent.
Tonight 12 Apr San Diego County Inland Valleys
Mostly cloudy with a chance of Showers. Lows 41 to 49 in wind Sheltered Areas to 46 to 51 in warmer Locations. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph in the evening. Chance of measurable precipitation 50 percent.
Spring Valley Temperature Statistics
April Temperature
Gillespie Field Airport (5.6 miles)
Lowest 4 April, 2026
46.4 °FAverage April
61.9 °FHighest 4 April, 2026
87.8 °F
Climate (2021–Present)
Gillespie Field Airport (5.6 miles)
Average Low 2021–2026
53.4 °FAverage 2021–2026
60.5 °FAverage High 2021–2026
76.2 °F