Spring Valley Weather Forecast
- 60
- 72
Increasing Clouds
- 58
- 72
Mostly Cloudy
- 57
- 75
Partly Sunny
- 59
- 75
Mostly Cloudy
- 60
- 77
Mostly Cloudy
- 61
- 79
Partly Sunny
Today 29 Jun San Diego County Inland Valleys
Partly cloudy with patchy fog in the morning. Becoming mostly sunny. Highs 71 to 76. Areas of Winds southwest to 10 Mph. Becoming 10 to 15 Mph in the afternoon.
Tonight 29 Jun San Diego County Inland Valleys
Partly cloudy in the evening. Becoming cloudy overnight with patchy fog. Lows 50 to 58. Areas of Winds southwest to 10 Mph in the evening becoming light.
Spring Valley Temperature Statistics
June Temperature
Gillespie Field Airport (5.6 miles)
Lowest 9 June, 2026
55.4 °FAverage June
66.6 °FHighest 12 June, 2026
93.2 °F
Climate (2021–2026)
Gillespie Field Airport (5.6 miles)
Average Low 2021–2026
53.5 °FAverage 2021–2026
60.5 °FAverage High 2021–2026
76.2 °F