Flagstaff Weather Forecast

    • 54
    • 82

    Chance Thunderstorms

    • 54
    • 79

    Chance Thunderstorms

    • 52
    • 76

    Chance Thunderstorms

    • 51
    • 76

    Slight Chance Thunderstorms

    • 51
    • 76

    Chance Thunderstorms

    • 51
    • 76

    Chance Thunderstorms

    • 52
    • 79

    Chance Thunderstorms

Today 12 Sep Western Mogollon Rim

Partly cloudy with a 30 percent chance of Thunderstorms. Near steady temperature in the upper 70s. Light Winds.

Tonight 12 Sep Western Mogollon Rim

Mostly clear. A 10 percent chance of Thunderstorms in the evening. Lows 50 to 58. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Flagstaff Temperature Statistics

September Temperature

Flagstaff Pulliam Airport (3.7 miles)

  • Lowest 5 September, 2026

    46.7 °F

  • Average September

    64.8 °F

  • Highest 8 September, 2026

    83.6 °F

Climate (2021–2026)

Flagstaff Pulliam Airport (3.7 miles)

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

  • Average Low 2021–2026

    34.2 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    63.6 °F
Get WillyWeather+ to remove ads