Signal Hill Weather Forecast

    • 48
    • 70

    Increasing Clouds

    • 51
    • 72

    Mostly Cloudy

    • 56
    • 68

    Rain Showers Likely

    • 57
    • 65

    Rain Showers Likely

    • 56
    • 66

    Rain Showers Likely

    • 53
    • 64

    Rain Showers Likely

Today 29 Dec Los Angeles County Inland Coast including Downtown Los Angeles

Sunny. Highs in the mid 60s. Northeast Winds around 15 Mph in the morning.

Tonight 29 Dec Los Angeles County Inland Coast including Downtown Los Angeles

Clear. Lows in the upper 40s.

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Signal Hill Temperature Statistics

December Temperature

Long Beach, Long Beach Airport (1.2 miles)

  • Lowest 6 December, 2025

    46 °F

  • Average December

    59.4 °F

  • Highest 10 December, 2025

    82.9 °F

Climate (2020–Present)

Long Beach, Long Beach Airport (1.2 miles)

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  • Average Low 2020–2025

    57.4 °F

  • Average 2020–2025

    64.6 °F

  • Average High 2020–2025

    74.3 °F
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