Arlington Weather Forecast

    • 72
    • 89

    Chance Thunderstorms

    • 70
    • 84

    Rain Showers Likely

    • 69
    • 82

    Rain Showers Likely

    • 67
    • 82

    Chance Thunderstorms

    • 66
    • 84

    Slight Chance Thunderstorms

    • 68
    • 83

    Slight Chance Thunderstorms

    • 69
    • 86

    Slight Chance Thunderstorms

Today 9 Aug Bureau

Mostly sunny with a slight chance of Showers and Thunderstorms. Hot with Highs around 90. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 9 Aug Bureau

Mostly cloudy with a chance of Thunderstorms. A chance of Showers. Lows in the lower 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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Arlington Temperature Statistics

August Temperature

Illinois Valley Regional Airport (9.3 miles)

  • Lowest 3 August, 2025

    53.6 °F

  • Average August

    70.9 °F

  • Highest 7 August, 2025

    86.2 °F

Climate (2020–Present)

Illinois Valley Regional Airport (9.3 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    62 °F
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