South Streator Weather Forecast

    • 60
    • 86

    Mostly Cloudy

    • 56
    • 83

    Mostly Cloudy

    • 58
    • 80

    Mostly Cloudy

    • 56
    • 84

    Mostly Sunny

    • 55
    • 84

    Mostly Sunny

    • 61
    • 85

    Mostly Sunny

    • 65
    • 87

    Partly Sunny

Today 29 May La Salle

Partly cloudy. Highs in the mid 80s. Southeast Winds around 5 Mph.

Tonight 29 May La Salle

Mostly cloudy. Lows around 60. East Winds around 5 Mph.

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South Streator Temperature Statistics

May Temperature

Pontiac Municipal Airport (17.4 miles)

  • Lowest 7 May, 2026

    32.4 °F

  • Average May

    61.6 °F

  • Highest 27 May, 2026

    91 °F

Climate (2021–Present)

Pontiac Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    62.5 °F
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