Lake Henshaw Weather Forecast

    • 63
    • 97

    Hot

    • 65
    • 100

    Hot

    • 65
    • 100

    Chance Thunderstorms

    • 63
    • 97

    Chance Rain Showers

    • 62
    • 96

    Chance Thunderstorms

    • 59
    • 91

    Chance Thunderstorms

Today 20 Aug San Diego County Mountains

Mostly sunny this morning. Becoming partly cloudy. Warmer. Highs 90 to 98. Areas of Winds east to 10 Mph becoming west 10 Mph this afternoon.

Tonight 20 Aug San Diego County Mountains

Partly cloudy. Lows 65 to 75. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Lake Henshaw Temperature Statistics

August Temperature

Ramona, Ramona Airport (16.8 miles)

  • Lowest 1 August, 2025

    48 °F
  • Average August

    72.9 °F
  • Highest 7 August, 2025

    102.9 °F

Climate (2020–Present)

Ramona, Ramona Airport (16.8 miles)

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  • Average Low 2020–2025

    51.2 °F
  • Average 2020–2025

    64.1 °F
  • Average High 2020–2025

    76.6 °F
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