Bostonia Weather Forecast

    • 36
    • 62

    Increasing Clouds

    • 36
    • 65

    Partly Sunny

    • 37
    • 66

    Partly Sunny

    • 39
    • 70

    Partly Sunny

    • 38
    • 68

    Partly Sunny

    • 41
    • 73

    Mostly Sunny

    • 41
    • 74

    Mostly Sunny

Today 17 Jan San Diego County Inland Valleys

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 57 to 61. Areas of Winds east to 10 Mph becoming west 10 Mph this afternoon.

Tonight 17 Jan San Diego County Inland Valleys

Partly cloudy. Patchy fog overnight. Colder. Lows 28 to 38 in wind Sheltered Areas to 34 to 41 in warmer Locations. Light Winds.

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Bostonia Temperature Statistics

January Temperature

Gillespie Field Airport (1.2 miles)

  • Lowest 14 January, 2025

    30.2 °F

  • Average January

    49.2 °F

  • Highest 2 January, 2025

    80.6 °F

Climate (2020–Present)

Gillespie Field Airport (1.2 miles)

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  • Average Low 2020–2025

    53 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    76 °F
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