Square Lake Weather Forecast

    • 32
    • 52

    Becoming Sunny

    • 33
    • 57

    Mostly Sunny

    • 38
    • 64

    Mostly Sunny

    • 43
    • 65

    Mostly Cloudy

    • 45
    • 57

    Rain Showers Likely

    • 47
    • 67

    Chance Rain Showers

Today 21 May Northwest Aroostook

Sunny and much cooler. Near steady temperature around 50. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 21 May Northwest Aroostook

Mostly clear. Widespread frost after midnight. Cold with Lows around 30. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Square Lake Temperature Statistics

May Temperature

Frenchville, Northern Aroostook Regional Airport (15.5 miles)

  • Lowest 4 May, 2026

    30.7 °F

  • Average May

    48.5 °F

  • Highest 16 May, 2026

    76.6 °F

Climate (2021–Present)

Frenchville, Northern Aroostook Regional Airport (15.5 miles)

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  • Average Low 2021–2026

    33.6 °F

  • Average 2021–2026

    41.9 °F

  • Average High 2021–2026

    50.2 °F
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