Lake Henshaw Weather Forecast

    • 59
    • 89

    Becoming Sunny

    • 59
    • 90

    Mostly Sunny

    • 59
    • 90

    Mostly Sunny

    • 61
    • 91

    Mostly Sunny

    • 64
    • 95

    Slight Chance Rain Showers

    • 63
    • 97

    Chance Rain Showers

Today 18 Jul San Diego County Mountains

Mostly sunny. Highs 83 to 92. Light Winds becoming west 10 to 15 Mph with Gusts to 25 Mph in the afternoon.

Tonight 18 Jul San Diego County Mountains

Mostly clear this evening. Becoming partly cloudy. Lows 60 to 70. Areas of Winds west 10 to 20 Mph with Gusts to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Henshaw Temperature Statistics

July Temperature

Ramona, Ramona Airport (16.8 miles)

  • Lowest 10 July, 2026

    50 °F

  • Average July

    72.4 °F

  • Highest 15 July, 2026

    99 °F

Climate (2021–2026)

Ramona, Ramona Airport (16.8 miles)

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  • Average Low 2021–2026

    51.6 °F

  • Average 2021–2026

    64.6 °F

  • Average High 2021–2026

    76.8 °F
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