Monticello Municipal (Ellis Field) Weather Forecast

    • 69
    • 95

    Isolated Thunderstorms

    • 68
    • 95

    Mostly Sunny

    • 68
    • 93

    Slight Chance Thunderstorms

    • 67
    • 92

    Chance Thunderstorms

    • 69
    • 92

    Slight Chance Thunderstorms

    • 67
    • 91

    Chance Thunderstorms

Today 17 Sep Drew

Sunny. Isolated Showers and Thunderstorms this afternoon. Highs in the mid 90s. Light and variable Winds, becoming northeast around 5 Mph this afternoon. Chance of rain 20 percent. Average rainfall less than 1/10 inch.

Tonight 17 Sep Drew

Mostly clear. Isolated Showers and Thunderstorms in the evening. Lows in the upper 60s. East Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent. Average rainfall less than 1/10 inch.

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Monticello Municipal (Ellis Field) Temperature Statistics

September Temperature

Monticello, Monticello Municipal Airport/Ellis Field (0 miles)

  • Lowest 8 September, 2025

    55 °F

  • Average September

    77.9 °F

  • Highest 13 September, 2025

    98.1 °F

Climate (2020–Present)

Monticello, Monticello Municipal Airport/Ellis Field (0 miles)

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  • Average Low 2020–2025

    55.5 °F

  • Average 2020–2025

    65.5 °F

  • Average High 2020–2025

    75.9 °F
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