Grafton Weather Forecast

    • 33
    • 62

    Partly Sunny

    • 43
    • 66

    Rain Showers Likely

    • 43
    • 63

    Rain Showers Likely

    • 44
    • 54

    Chance Rain Showers

    • 49
    • 66

    Mostly Cloudy

Today 21 May Western Windham

Mostly cloudy and cooler. Near steady temperature around 60. Northwest Winds around 5 Mph.

Tonight 21 May Western Windham

Mostly cloudy in the Evening, then becoming partly cloudy. Widespread frost after midnight. Cooler with Lows in the lower 30s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grafton Temperature Statistics

May Temperature

Springfield, Hartness State Springfield Airport (12.4 miles)

  • Lowest 9 May, 2026

    30.7 °F

  • Average May

    54.5 °F

  • Highest 18 May, 2026

    89.1 °F

Climate (2021–Present)

Springfield, Hartness State Springfield Airport (12.4 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    58.9 °F
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