Blairsville Weather Forecast

    • 75
    • 91

    Mostly Sunny

    • 69
    • 91

    Rain Showers

    • 64
    • 84

    Mostly Sunny

    • 70
    • 86

    Rain Showers

    • 62
    • 82

    Chance Thunderstorms

    • 59
    • 76

    Slight Chance Thunderstorms

    • 61
    • 79

    Partly Sunny

Today 10 Jun Williamson

Sunny. Near steady temperature in the lower 90s. Southwest Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 10 Jun Williamson

Mostly clear. Lows in the mid 70s. South Winds 10 to 15 Mph.

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Blairsville Temperature Statistics

June Temperature

Southern Illinois Airport (6.8 miles)

  • Lowest 3 June, 2026

    51.7 °F

  • Average June

    73.9 °F

  • Highest 8 June, 2026

    88 °F

Climate (2021–Present)

Southern Illinois Airport (6.8 miles)

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  • Average Low 2021–2026

    48.1 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    69.3 °F
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