Armstrong Weather Forecast

    • 71
    • 89

    Rain Showers Likely

    • 69
    • 89

    Mostly Sunny

    • 68
    • 88

    Mostly Sunny

    • 67
    • 84

    Chance Thunderstorms

    • 68
    • 83

    Chance Thunderstorms

    • 63
    • 84

    Chance Rain Showers

Today 3 Sep Emmet

Sunny. Highs around 90. South Winds 15 to 20 Mph.

Tonight 3 Sep Emmet

Mostly clear. A slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Armstrong Temperature Statistics

September Temperature

Estherville, Estherville Municipal Airport (13 miles)

  • Lowest 1 September, 2026

    63 °F

  • Average September

    74.9 °F

  • Highest 1 September, 2026

    86 °F

Climate (2021–2026)

Estherville, Estherville Municipal Airport (13 miles)

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  • Average Low 2021–2026

    37.6 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    59 °F
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