Hartley Weather Forecast

    • 65
    • 80

    Chance Thunderstorms

    • 66
    • 85

    Chance Thunderstorms

    • 64
    • 83

    Chance Thunderstorms

    • 61
    • 80

    Chance Thunderstorms

    • 59
    • 77

    Chance Rain Showers

    • 57
    • 74

    Chance Rain Showers

Today 8 Aug O'Brien

Partly sunny. A chance of Sprinkles in the afternoon. Highs around 80. Southeast Winds around 5 Mph, becoming south in the afternoon.

Tonight 8 Aug O'Brien

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Warmer with Lows in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hartley Temperature Statistics

August Temperature

Spencer Municipal Airport (13 miles)

  • Lowest 5 August, 2026

    54 °F

  • Average August

    70 °F

  • Highest 3 August, 2026

    88.6 °F

Climate (2021–2026)

Spencer Municipal Airport (13 miles)

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  • Average Low 2021–2026

    37.5 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    61.1 °F
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