Sulphur Weather Forecast

    • 63
    • 90

    Increasing Clouds

    • 60
    • 83

    Mostly Cloudy

    • 57
    • 83

    Partly Sunny

    • 54
    • 83

    Mostly Sunny

    • 55
    • 85

    Mostly Sunny

    • 57
    • 89

    Partly Sunny

Today 18 Sep Humboldt County

Partly sunny. Highs 77 to 85. East Winds up to 10 Mph.

Tonight 18 Sep Humboldt County

Cloudy. Lows 55 to 61. Northeast Winds up to 10 Mph shifting to the southwest after midnight.

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Sulphur Temperature Statistics

September Temperature

Winnemucca, Winnemucca Municipal Airport (48.5 miles)

  • Lowest 13 September, 2025

    39.9 °F

  • Average September

    68.3 °F

  • Highest 2 September, 2025

    97 °F

Climate (2020–Present)

Winnemucca, Winnemucca Municipal Airport (48.5 miles)

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  • Average Low 2020–2025

    36.5 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    68.5 °F
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