San Diego Botanic Garden Weather Forecast

    • 58
    • 71

    Patchy Fog

    • 57
    • 70

    Patchy Fog

    • 56
    • 69

    Partly Sunny

    • 56
    • 68

    Partly Sunny

    • 56
    • 67

    Mostly Cloudy

    • 56
    • 67

    Mostly Cloudy

    • 56
    • 66

    Partly Sunny

Today 21 May San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 69 to 74 near the coast to 76 to 79 inland. Areas of Winds southwest to 10 Mph.

Tonight 21 May San Diego County Coastal Areas

Partly cloudy. Patchy fog overnight. Lows 54 to 59. Areas of Winds west to 10 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Diego Botanic Garden Temperature Statistics

May Temperature

Carlsbad, McClellan-Palomar Airport (5 miles)

  • Lowest 6 May, 2026

    54.6 °F

  • Average May

    63.9 °F

  • Highest 19 May, 2026

    71.1 °F

Climate (2021–Present)

Carlsbad, McClellan-Palomar Airport (5 miles)

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  • Average Low 2021–2026

    56.9 °F

  • Average 2021–2026

    62.8 °F

  • Average High 2021–2026

    69.2 °F
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