Fernbrook Weather Forecast
- 48
- 65
Rain Showers Likely
- 47
- 64
Chance Rain Showers
- 46
- 72
Mostly Sunny
- 49
- 74
Partly Sunny
- 49
- 72
Partly Sunny
- 49
- 75
Mostly Sunny
Today 12 Apr San Diego County Inland Valleys
Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms this afternoon. Highs 65 to 68 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 this afternoon. Chance of measurable precipitation 50 percent.
Tonight 12 Apr San Diego County Inland Valleys
Mostly cloudy with a chance of Showers. Lows 41 to 50 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.
Fernbrook Temperature Statistics
April Temperature
Ramona, Ramona Airport (4.3 miles)
Lowest 3 April, 2026
44.1 °FAverage April
65.7 °FHighest 4 April, 2026
86 °F
Climate (2021–Present)
Ramona, Ramona Airport (4.3 miles)
Average Low 2021–2026
51.6 °FAverage 2021–2026
64.5 °FAverage High 2021–2026
76.9 °F