Siloam Springs Weather Forecast

    • 65
    • 91

    Slight Chance Thunderstorms

    • 65
    • 89

    Slight Chance Thunderstorms

    • 65
    • 88

    Chance Thunderstorms

    • 63
    • 84

    Chance Thunderstorms

    • 61
    • 80

    Slight Chance Rain Showers

    • 62
    • 81

    Partly Sunny

Today 15 Sep Benton

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. South Winds around 5 Mph. Chance of rain 20 percent.

Tonight 15 Sep Benton

Mostly cloudy late this Evening, then becoming partly cloudy. Lows in the upper 60s. Light and variable Winds.

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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 7 September, 2025

    53.1 °F

  • Average September

    69.7 °F

  • Highest 12 September, 2025

    88 °F

Climate (2020–Present)

Siloam Springs, Smith Field Airport (3.1 miles)

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  • Average Low 2020–2025

    49.4 °F

  • Average 2020–2025

    59.3 °F

  • Average High 2020–2025

    69.6 °F
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