Monticello Weather Forecast

    • 57
    • 84

    Increasing Clouds

    • 61
    • 84

    Chance Thunderstorms

    • 64
    • 81

    Chance Rain Showers

    • 65
    • 88

    Chance Rain Showers

    • 61
    • 85

    Chance Rain Showers

    • 56
    • 81

    Chance Rain Showers

Today 29 Jun Southeast Aroostook

Sunny. Highs in the lower 80s. North Winds around 5 Mph.

Tonight 29 Jun Southeast Aroostook

Partly cloudy. Patchy fog. Near steady temperature in the lower 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monticello Temperature Statistics

June Temperature

Houlton, Houlton International Airport (12.4 miles)

  • Lowest 1 June, 2026

    30.7 °F

  • Average June

    61.5 °F

  • Highest 11 June, 2026

    88.6 °F

Climate (2021–2026)

Houlton, Houlton International Airport (12.4 miles)

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  • Average Low 2021–2026

    33.1 °F

  • Average 2021–2026

    43.5 °F

  • Average High 2021–2026

    53.5 °F
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