Lost River Weather Forecast

    • 58
    • 81

    Mostly Sunny

    • 57
    • 78

    Mostly Cloudy

    • 56
    • 70

    Chance Rain Showers

    • 56
    • 69

    Chance Rain Showers

    • 58
    • 78

    Mostly Sunny

    • 59
    • 83

    Partly Sunny

Today 14 Sep Hardy

Sunny. Highs in the mid 80s. Except in the upper 70s at the higher Elevations. Northwest Winds around 5 Mph, becoming northeast around 5 Mph in the afternoon.

Tonight 14 Sep Hardy

Mostly cloudy. Lows in the upper 50s. Southwest Winds around 5 Mph.

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Lost River Temperature Statistics

September Temperature

Petersburg, Grant County Airport (17.4 miles)

  • Lowest

  • Average September

  • Highest

Climate (2020–Present)

Petersburg, Grant County Airport (17.4 miles)

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  • Average Low 2020–2025

    44.2 °F
  • Average 2020–2025

    55.4 °F
  • Average High 2020–2025

    67.5 °F
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