Monticello Weather Forecast

    • 53
    • 60

    Rain Showers

    • 51
    • 64

    Mostly Cloudy

    • 47
    • 69

    Mostly Cloudy

    • 43
    • 64

    Mostly Cloudy

    • 43
    • 64

    Mostly Cloudy

    • 46
    • 65

    Partly Sunny

Today 18 Sep Wright

Cooler. Rain early in the Morning, then rain Showers and slight chance of Thunderstorms in the late morning and afternoon. Patchy fog through the day. Near steady temperature in the upper 50s. East Winds 5 to 15 Mph. Chance of precipitation near 100 percent.

Tonight 18 Sep Wright

Patchy fog in the evening. Rain in the Evening, then chance of rain after midnight. Near steady temperature in the upper 50s. East Winds 10 to 15 Mph. Chance of rain 90 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Monticello Temperature Statistics

September Temperature

Buffalo, Buffalo Municipal Airport (9.9 miles)

  • Lowest 13 September, 2026

    42.8 °F

  • Average September

    67.6 °F

  • Highest 1 September, 2026

    86 °F

Climate (2021–2026)

Buffalo, Buffalo Municipal Airport (9.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    55.4 °F
Get WillyWeather+ to remove ads