Lyall-Roberts Airport Weather Forecast

    • 53
    • 82

    Partly Sunny

    • 53
    • 80

    Partly Sunny

    • 52
    • 80

    Mostly Sunny

    • 51
    • 78

    Partly Sunny

    • 50
    • 76

    Mostly Cloudy

    • 49
    • 71

    Mostly Cloudy

Today 18 Jan San Diego County Inland Valleys

Partly cloudy. Highs 77 to 82. Areas of Winds east to 10 Mph in the morning becoming light.

Tonight 18 Jan San Diego County Inland Valleys

Partly cloudy. Lows 45 to 53 in wind Sheltered Areas to 51 to 56 in warmer Locations. Light Winds.

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Lyall-Roberts Airport Temperature Statistics

January Temperature

Fallbrook Community Airpark (14.9 miles)

  • Lowest 8 January, 2026

    44.6 °F

  • Average January

    58.4 °F

  • Highest 14 January, 2026

    84.2 °F

Climate (2021–Present)

Fallbrook Community Airpark (14.9 miles)

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  • Average Low 2021–2026

    53.4 °F

  • Average 2021–2026

    61.8 °F

  • Average High 2021–2026

    74.1 °F
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