Windham Weather Forecast

    • 39
    • 64

    Becoming Sunny

    • 45
    • 67

    Mostly Sunny

    • 43
    • 63

    Chance Rain Showers

    • 42
    • 56

    Chance Rain Showers

    • 47
    • 64

    Chance Rain Showers

    • 50
    • 73

    Slight Chance Rain Showers

Today 21 May Central Interior Cumberland

Partly sunny. Much cooler with Highs in the mid 60s. Northwest Winds around 10 Mph.

Tonight 21 May Central Interior Cumberland

Partly cloudy in the Evening, then becoming mostly clear. Areas of frost after midnight. Lows in the upper 30s. Northwest Winds around 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Windham Temperature Statistics

May Temperature

Portland, Portland International Jetport (12.4 miles)

  • Lowest 8 May, 2026

    36.6 °F

  • Average May

    53.6 °F

  • Highest 17 May, 2026

    84.7 °F

Climate (2021–Present)

Portland, Portland International Jetport (12.4 miles)

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  • Average Low 2021–2026

    40.1 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    57.2 °F
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