Armstrong Reservoir Weather Forecast

    • 61
    • 77

    Chance Thunderstorms

    • 58
    • 64

    Chance Rain Showers

    • 52
    • 63

    Slight Chance Rain Showers

    • 51
    • 62

    Mostly Cloudy

    • 57
    • 65

    Mostly Cloudy

    • 59
    • 66

    Chance Rain Showers

Today 19 Sep Webster

Mostly cloudy with a 20 percent chance of Showers and Thunderstorms. Not as warm. Highs in the upper 70s. North Winds around 10 Mph with Gusts to around 20 Mph.

Tonight 19 Sep Webster

Partly cloudy in the evening then becoming mostly cloudy. A 30 percent chance of Showers and Thunderstorms. Lows in the lower 60s. Northeast Winds around 10 Mph with Gusts to around 20 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Armstrong Reservoir Temperature Statistics

September Temperature

Hastings, Hastings Municipal Airport (18 miles)

  • Lowest 12 September, 2026

    55.7 °F

  • Average September

    76.4 °F

  • Highest 7 September, 2026

    98.7 °F

Climate (2021–2026)

Hastings, Hastings Municipal Airport (18 miles)

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

  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    65.7 °F
Get WillyWeather+ to remove ads