Arrowhead State Park Weather Forecast

    • 68
    • 90

    Mostly Cloudy

    • 69
    • 89

    Chance Rain Showers

    • 71
    • 92

    Chance Rain Showers

    • 72
    • 93

    Mostly Cloudy

    • 70
    • 90

    Rain Showers Likely

    • 67
    • 83

    Rain Showers Likely

Today 25 Sep Pittsburg

Mostly sunny. Highs in the lower 90s. East Winds around 5 Mph.

Tonight 25 Sep Pittsburg

Partly cloudy in the Evening, then becoming mostly cloudy. Not as cool with Lows in the upper 60s. Southeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Arrowhead State Park Temperature Statistics

September Temperature

McAlester, McAlester Regional Airport (20.5 miles)

  • Lowest 21 September, 2026

    68.6 °F

  • Average September

    88.2 °F

  • Highest 6 September, 2026

    106.6 °F

Climate (2021–2026)

McAlester, McAlester Regional Airport (20.5 miles)

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

  • Average Low 2021–2026

    53.3 °F

  • Average 2021–2026

    64.8 °F

  • Average High 2021–2026

    76.4 °F
Get WillyWeather+ to remove ads