Swartz Canyon County Park Weather Forecast

    • 52
    • 75

    Becoming Sunny

    • 54
    • 78

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 55
    • 78

    Mostly Sunny

    • 54
    • 75

    Mostly Sunny

    • 57
    • 80

    Mostly Sunny

Today 13 May San Diego County Inland Valleys

Partly cloudy with patchy fog in the morning. Becoming mostly sunny. Highs 73 to 78. Light Winds becoming west 10 to 15 Mph in the afternoon.

Tonight 13 May San Diego County Inland Valleys

Partly cloudy. Patchy fog overnight. Lows 49 to 53. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Swartz Canyon County Park Temperature Statistics

May Temperature

Ramona, Ramona Airport (7.5 miles)

  • Lowest 6 May, 2026

    39.9 °F

  • Average May

    60.3 °F

  • Highest 8 May, 2026

    84 °F

Climate (2021–Present)

Ramona, Ramona Airport (7.5 miles)

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  • Average Low 2021–2026

    51.6 °F

  • Average 2021–2026

    64.5 °F

  • Average High 2021–2026

    76.9 °F
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