Signal Hill Weather Forecast

    • 71
    • 86

    Rain Showers Likely

    • 68
    • 82

    Rain Showers Likely

    • 68
    • 83

    Slight Chance Thunderstorms

    • 67
    • 84

    Patchy Fog

    • 70
    • 85

    Patchy Fog

    • 69
    • 87

    Patchy Fog

Today 17 Sep Los Angeles County Inland Coast including Downtown Los Angeles

Partly cloudy in the morning then mostly cloudy. Highs in the 80s to around 90.

Tonight 17 Sep Los Angeles County Inland Coast including Downtown Los Angeles

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows around 70. West Winds around 15 Mph in the evening. Chance of precipitation 50 percent.

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Signal Hill Temperature Statistics

September Temperature

Long Beach, Long Beach Airport (1.2 miles)

  • Lowest 11 September, 2025

    64 °F

  • Average September

    72.8 °F

  • Highest 7 September, 2025

    91 °F

Climate (2020–Present)

Long Beach, Long Beach Airport (1.2 miles)

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  • Average Low 2020–2025

    57.3 °F

  • Average 2020–2025

    64.6 °F

  • Average High 2020–2025

    74.4 °F
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