Half Moon Bay Weather Forecast

    • 30
    • 69

    Sunny

    • 39
    • 72

    Mostly Sunny

    • 35
    • 69

    Mostly Sunny

    • 35
    • 69

    Rain/Snow Likely

    • 28
    • 54

    Chance Rain Showers

    • 28
    • 58

    Mostly Sunny

Today 9 Sep Jackson Hole

Widespread frost in the morning. Sunny. Highs around 70. West Winds around 10 Mph with Gusts up to 25 Mph in the afternoon.

Tonight 9 Sep Jackson Hole

Clear. Widespread frost. Lows in the mid 30s.

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Half Moon Bay Temperature Statistics

September Temperature

Jackson, Jackson Hole Airport (19.3 miles)

  • Lowest 4 September, 2026

    34 °F

  • Average September

    58.1 °F

  • Highest 5 September, 2026

    78.1 °F

Climate (2021–2026)

Jackson, Jackson Hole Airport (19.3 miles)

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  • Average Low 2021–2026

    26.4 °F

  • Average 2021–2026

    39.4 °F

  • Average High 2021–2026

    52.5 °F
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