Fallbrook Weather Forecast
- 54
- 72
Increasing Clouds
- 54
- 69
Rain Showers
- 48
- 66
Mostly Sunny
- 50
- 66
Chance Rain Showers
- 50
- 64
Rain Showers Likely
- 48
- 65
Slight Chance Rain Showers
Today 15 Nov San Diego County Inland Valleys
Mostly sunny. Highs around 73 in the western Valleys to 65 to 70 near the Foothills. Light Winds.
Tonight 15 Nov San Diego County Inland Valleys
Partly cloudy in the evening. Becoming mostly cloudy. Lows 45 to 55 in wind Sheltered Areas to 50 to 56 in warmer Locations. Light Winds.
Fallbrook Temperature Statistics
November Temperature
Fallbrook Community Airpark (1.2 miles)
Lowest 2 November, 2026
50 °FAverage November
66.6 °FHighest 8 November, 2026
87.8 °F
Climate (2021–2026)
Fallbrook Community Airpark (1.2 miles)
Average Low 2021–2026
54.1 °FAverage 2021–2026
62.3 °FAverage High 2021–2026
74.6 °F