Monticello Weather Forecast

    • 39
    • 61

    Rain Showers

    • 47
    • 65

    Mostly Sunny

    • 59
    • 73

    Chance Thunderstorms

    • 57
    • 76

    Partly Sunny

    • 54
    • 73

    Partly Sunny

    • 57
    • 70

    Mostly Cloudy

Today 6 Sep Wright

Mostly sunny. Isolated rain Showers in the afternoon. Highs in the lower 60s. West Winds 5 to 10 Mph. Chance of Showers 20 percent.

Tonight 6 Sep Wright

Decreasing Clouds. Lows around 40. Northwest Winds up to 5 Mph.

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Monticello Temperature Statistics

September Temperature

Buffalo, Buffalo Municipal Airport (9.9 miles)

  • Lowest 3 September, 2025

    48.2 °F
  • Average September

    63 °F
  • Highest 1 September, 2025

    78.8 °F

Climate (2020–Present)

Buffalo, Buffalo Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    36.4 °F
  • Average 2020–2025

    46 °F
  • Average High 2020–2025

    55.2 °F
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