Westminster Weather Forecast

    • 61
    • 78

    Rain Showers

    • 43
    • 74

    Partly Sunny

    • 48
    • 67

    Rain Showers

    • 49
    • 58

    Rain Showers

    • 44
    • 66

    Mostly Cloudy

    • 42
    • 61

    Partly Sunny

    • 44
    • 61

    Partly Sunny

Today 17 Sep Eastern Windham

Showers likely. Near steady temperature in the lower 70s. South Winds around 5 Mph. Chance of rain 60 percent.

Tonight 17 Sep Eastern Windham

Mostly cloudy. Showers in the evening. Lows in the lower 60s. Light and variable Winds. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Westminster Temperature Statistics

September Temperature

Keene, Dillant-Hopkins Airport (14.9 miles)

  • Lowest 15 September, 2026

    41 °F

  • Average September

    63.4 °F

  • Highest 10 September, 2026

    82 °F

Climate (2021–2026)

Keene, Dillant-Hopkins Airport (14.9 miles)

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  • Average Low 2021–2026

    37.6 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    58.7 °F
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