Castner Park Weather Forecast

    • 42
    • 66

    Mostly Cloudy

    • 43
    • 62

    Partly Sunny

    • 51
    • 75

    Rain Showers Likely

    • 51
    • 71

    Rain Showers Likely

    • 50
    • 69

    Slight Chance Rain

    • 50
    • 73

    Mostly Sunny

    • 51
    • 76

    Mostly Sunny

Today 15 Sep Cascade County below 5000ft

Partly cloudy. Lows around 50. Highs in the lower 70s.

Tonight 15 Sep Cascade County below 5000ft

Mostly cloudy. A 20 percent chance of rain in the evening. Patchy fog early in the morning. Lows in the lower 40s. Northeast Winds 5 to 15 Mph shifting to the northwest after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Castner Park Temperature Statistics

September Temperature

Malmstrom Air Force Base (14.3 miles)

  • Lowest 12 September, 2026

    43.5 °F

  • Average September

    62 °F

  • Highest 2 September, 2026

    87.7 °F

Climate (2021–2026)

Malmstrom Air Force Base (14.3 miles)

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

  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    59 °F
Get WillyWeather+ to remove ads