Hartley Weather Forecast

    • 53
    • 69

    Increasing Clouds

    • 59
    • 79

    Chance Thunderstorms

    • 57
    • 79

    Partly Sunny

    • 59
    • 81

    Partly Sunny

    • 64
    • 85

    Slight Chance Thunderstorms

    • 66
    • 88

    Slight Chance Thunderstorms

    • 62
    • 88

    Slight Chance Thunderstorms

Today 7 Sep O'Brien

Sunny. Highs around 70. South Winds around 5 Mph.

Tonight 7 Sep O'Brien

Partly cloudy with a chance of Sprinkles. Not as cool with Lows in the mid 50s. South Winds 5 to 10 Mph.

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Hartley Temperature Statistics

September Temperature

Spencer Municipal Airport (13 miles)

  • Lowest 4 September, 2025

    37.9 °F

  • Average September

    59.5 °F

  • Highest 1 September, 2025

    78.1 °F

Climate (2020–Present)

Spencer Municipal Airport (13 miles)

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  • Average Low 2020–2025

    37.6 °F

  • Average 2020–2025

    49.1 °F

  • Average High 2020–2025

    60.7 °F
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