Morongo Valley Weather Forecast

    • 74
    • 90

    Sunny

    • 77
    • 93

    Mostly Sunny

    • 74
    • 91

    Chance Rain Showers

    • 71
    • 84

    Chance Thunderstorms

    • 71
    • 84

    Chance Rain Showers

    • 71
    • 88

    Chance Rain Showers

    • 73
    • 90

    Slight Chance Rain Showers

Today 15 Sep Morongo Basin

Sunny. Highs 96 to 99 in Twentynine Palms. 90 to 93 around yucca valley. Around 94 near Joshua tree. Southeast Winds up to 10 Mph.

Tonight 15 Sep Morongo Basin

Clear. Lows 72 to 75 in Twentynine Palms and near Joshua tree. Around 70 around yucca valley. South Winds up to 10 Mph shifting to the west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Morongo Valley Temperature Statistics

September Temperature

Big Bear City Airport (21.7 miles)

  • Lowest 12 September, 2025

    32 °F

  • Average September

    57.5 °F

  • Highest 1 September, 2025

    78.8 °F

Climate (2020–Present)

Big Bear City Airport (21.7 miles)

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  • Average Low 2020–2025

    34.1 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    60.1 °F
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