Armstrong Weather Forecast

    • 59
    • 71

    Rain Showers

    • 61
    • 71

    Rain Showers

    • 56
    • 68

    Chance Rain Showers

    • 52
    • 64

    Chance Rain Showers

    • 49
    • 58

    Chance Rain Showers

    • 48
    • 62

    Mostly Cloudy

    • 53
    • 65

    Mostly Cloudy

Today 17 Sep Emmet

Partly sunny. A chance of Showers in the morning. Highs in the upper 60s. Chance of rain 30 percent.

Tonight 17 Sep Emmet

Cloudy. Showers likely with a chance of Thunderstorms after midnight. Lows in the upper 50s. Northeast Winds 5 to 10 Mph, becoming east with Gusts up to 20 Mph after midnight. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Armstrong Temperature Statistics

September Temperature

Estherville, Estherville Municipal Airport (13 miles)

  • Lowest 13 September, 2026

    47.6 °F

  • Average September

    70.3 °F

  • Highest 4 September, 2026

    91.7 °F

Climate (2021–2026)

Estherville, Estherville Municipal Airport (13 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    37.6 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    59 °F
Get WillyWeather+ to remove ads