Lake Poway Weather Forecast

    • 49
    • 73

    Increasing Clouds

    • 49
    • 72

    Mostly Cloudy

    • 53
    • 80

    Sunny

    • 56
    • 82

    Mostly Sunny

    • 54
    • 81

    Partly Sunny

    • 53
    • 77

    Mostly Cloudy

Today 27 Jan San Diego County Inland Valleys

Mostly sunny. Highs 71 to 74 in the western Valleys to 67 to 72 near the Foothills. Areas of Winds east 10 to 15 Mph with Gusts to 25 Mph becoming west this afternoon.

Tonight 27 Jan San Diego County Inland Valleys

Partly cloudy. Lows 40 to 49 in wind Sheltered Areas to 46 to 52 in warmer Locations. Light Winds becoming east to 10 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Poway Temperature Statistics

January Temperature

Ramona, Ramona Airport (5.6 miles)

  • Lowest 8 January, 2026

    37 °F

  • Average January

    60.8 °F

  • Highest 17 January, 2026

    81 °F

Climate (2021–Present)

Ramona, Ramona Airport (5.6 miles)

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  • Average Low 2021–2026

    51.2 °F

  • Average 2021–2026

    64.1 °F

  • Average High 2021–2026

    76.5 °F
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