Fire Mountain Park Weather Forecast

    • 49
    • 72

    Mostly Sunny

    • 49
    • 72

    Mostly Sunny

    • 50
    • 69

    Mostly Cloudy

    • 50
    • 68

    Patchy Fog

    • 50
    • 66

    Mostly Cloudy

    • 51
    • 67

    Mostly Cloudy

Today 19 Jan San Diego County Coastal Areas

Patchy fog in the morning. Partly cloudy. Highs 67 to 72 near the coast to 74 inland. Light Winds.

Tonight 19 Jan San Diego County Coastal Areas

Partly cloudy. Lows 47 to 51. Light Winds.

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Fire Mountain Park Temperature Statistics

January Temperature

Oceanside, Oceanside Municipal Airport (1.9 miles)

  • Lowest 9 January, 2026

    43 °F

  • Average January

    61.7 °F

  • Highest 11 January, 2026

    77 °F

Climate (2021–Present)

Oceanside, Oceanside Municipal Airport (1.9 miles)

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  • Average Low 2021–2026

    52.9 °F

  • Average 2021–2026

    62.4 °F

  • Average High 2021–2026

    71.6 °F
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