Lake Poway Weather Forecast

    • 63
    • 94

    Sunny

    • 60
    • 87

    Partly Sunny

    • 59
    • 85

    Mostly Sunny

    • 60
    • 86

    Mostly Sunny

    • 61
    • 87

    Sunny

    • 61
    • 89

    Sunny

    • 60
    • 88

    Sunny

Today 20 Mar San Diego County Inland Valleys

Mostly sunny. Highs 93 to 98. Areas of Winds west to 10 Mph.

Tonight 20 Mar San Diego County Inland Valleys

Mostly clear. Patchy fog overnight. Local visibility one quarter mile or less at Times overnight. Lows 54 to 63 in wind Sheltered Areas to 59 to 66 in warmer Locations. Areas of Winds west to 10 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Poway Temperature Statistics

March Temperature

Ramona, Ramona Airport (5.6 miles)

  • Lowest 3 March, 2026

    37.9 °F

  • Average March

    68.4 °F

  • Highest 18 March, 2026

    91 °F

Climate (2021–Present)

Ramona, Ramona Airport (5.6 miles)

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  • Average Low 2021–2026

    51.5 °F

  • Average 2021–2026

    64.4 °F

  • Average High 2021–2026

    76.8 °F
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