Lake Henshaw Weather Forecast

    • 37
    • 57

    Rain Showers

    • 33
    • 55

    Chance Rain Showers

    • 32
    • 59

    Chance Rain Showers

    • 33
    • 60

    Slight Chance Rain Showers

    • 33
    • 61

    Mostly Sunny

    • 35
    • 61

    Mostly Sunny

    • 36
    • 62

    Sunny

Today 4 Jan San Diego County Mountains

Partly cloudy with a chance of Showers. A slight chance of Thunderstorms this afternoon. Highs 49 to 57. Areas of Winds southwest 15 to 25 Mph with Gusts to 40 Mph. Chance of measurable precipitation 50 percent.

Tonight 4 Jan San Diego County Mountains

Cloudy with Showers. Patchy fog. Lows 39 to 47. Areas of Winds southwest 15 to 25 Mph with Gusts to 45 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Henshaw Temperature Statistics

January Temperature

Ramona, Ramona Airport (16.8 miles)

  • Lowest 1 January, 2026

    55.9 °F

  • Average January

    59 °F

  • Highest 2 January, 2026

    66 °F

Climate (2021–Present)

Ramona, Ramona Airport (16.8 miles)

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  • Average Low 2021–2026

    51.2 °F

  • Average 2021–2026

    64 °F

  • Average High 2021–2026

    76.5 °F
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