Siloam Springs Weather Forecast

    • 74
    • 97

    Slight Chance Thunderstorms

    • 72
    • 97

    Hot

    • 72
    • 97

    Hot

    • 69
    • 96

    Chance Thunderstorms

    • 64
    • 89

    Chance Rain Showers

    • 62
    • 85

    Partly Sunny

    • 64
    • 87

    Partly Sunny

Today 17 Sep Benton

Mostly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 90s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 17 Sep Benton

Mostly clear. Lows in the mid 70s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Siloam Springs Temperature Statistics

September Temperature

Siloam Springs, Smith Field Airport (3.1 miles)

  • Lowest 13 September, 2026

    69.1 °F

  • Average September

    84.7 °F

  • Highest 8 September, 2026

    102 °F

Climate (2021–2026)

Siloam Springs, Smith Field Airport (3.1 miles)

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  • Average Low 2021–2026

    50.3 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    70.8 °F
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