El Cajon City Park Weather Forecast
- 64
- 82
Mostly Cloudy
- 63
- 84
Partly Sunny
- 60
- 82
Partly Sunny
- 61
- 81
Mostly Sunny
- 61
- 80
Mostly Cloudy
- 57
- 76
Partly Sunny
Today 23 Jun San Diego County Inland Valleys
Patchy fog this morning. Partly cloudy. Highs 77 to 82 in the western Valleys to 86 to 91 near the Foothills. Areas of Winds west to 10 Mph.
Tonight 23 Jun San Diego County Inland Valleys
Partly cloudy. Patchy fog overnight. Lows 58 to 63. Light Winds.
El Cajon City Park Temperature Statistics
June Temperature
Gillespie Field Airport (1.9 miles)
Lowest 9 June, 2026
55.4 °FAverage June
66.6 °FHighest 12 June, 2026
93.2 °F
Climate (2021–2026)
Gillespie Field Airport (1.9 miles)
Average Low 2021–2026
53.5 °FAverage 2021–2026
60.5 °FAverage High 2021–2026
76.2 °F