Lanark Weather Forecast

    • 57
    • 82

    Partly Sunny

    • 59
    • 80

    Partly Sunny

    • 69
    • 86

    Rain Showers

    • 58
    • 84

    Partly Sunny

    • 55
    • 78

    Mostly Sunny

    • 60
    • 81

    Chance Rain Showers

    • 62
    • 83

    Chance Rain Showers

Today 6 Sep Carroll

Partly sunny. Near steady temperature in the lower 80s. East Winds around 5 Mph.

Tonight 6 Sep Carroll

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 50s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lanark Temperature Statistics

September Temperature

Tri-Township Airport (14.3 miles)

  • Lowest 1 September, 2026

    71.6 °F

  • Average September

    82.4 °F

  • Highest 4 September, 2026

    95.9 °F

Climate (2021–2026)

Tri-Township Airport (14.3 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    62.8 °F
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