Lake Henshaw Weather Forecast

    • 38
    • 64

    Chance Rain Showers

    • 37
    • 60

    Slight Chance Rain Showers

    • 31
    • 58

    Partly Sunny

    • 32
    • 58

    Mostly Sunny

    • 34
    • 61

    Mostly Sunny

    • 37
    • 65

    Mostly Sunny

Today 22 Jan San Diego County Mountains

Partly cloudy. A slight chance of Showers in the afternoon. Highs 56 to 64. Areas of Winds west 10 Mph. Chance of measurable precipitation 20 percent.

Tonight 22 Jan San Diego County Mountains

Mostly cloudy with a slight chance of Showers in the Evening, then partly cloudy with a chance of Showers overnight. Lows 39 to 46. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph overnight. Chance of measurable precipitation 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Henshaw Temperature Statistics

January Temperature

Ramona, Ramona Airport (16.8 miles)

  • Lowest 8 January, 2026

    37 °F

  • Average January

    61.8 °F

  • Highest 17 January, 2026

    81 °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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