Rancho Santa Fe Weather Forecast
- 59
- 89
Becoming Sunny
- 59
- 87
Mostly Sunny
- 58
- 91
Mostly Sunny
- 55
- 86
Mostly Cloudy
- 55
- 82
Mostly Cloudy
- 55
- 79
Mostly Sunny
Today 18 Mar San Diego County Coastal Areas
Mostly sunny. Highs 82 to 87 near the coast to 90 to 94 inland. Light Winds becoming west 10 Mph this afternoon.
Tonight 18 Mar San Diego County Coastal Areas
Mostly clear. Patchy fog overnight. Lows 57 to 62. Light Winds.
Rancho Santa Fe Temperature Statistics
March Temperature
Carlsbad, McClellan-Palomar Airport (8.7 miles)
Lowest 6 March, 2026
51.1 °FAverage March
63.1 °FHighest 8 March, 2026
88 °F
Climate (2021–Present)
Carlsbad, McClellan-Palomar Airport (8.7 miles)
Average Low 2021–2026
56.8 °FAverage 2021–2026
62.7 °FAverage High 2021–2026
69 °F