Windham Weather Forecast

    • 37
    • 60

    Decreasing Clouds

    • 45
    • 73

    Mostly Sunny

    • 48
    • 79

    Mostly Sunny

    • 35
    • 70

    Rain Showers Likely

    • 34
    • 49

    Chance Rain Showers

    • 41
    • 61

    Mostly Sunny

    • 46
    • 73

    Mostly Sunny

Today 1 May Judith Basin County and Judith Gap

Partly cloudy. A 20 percent chance of rain Showers in the morning. Highs 55 to 60. Northwest Winds 5 to 15 Mph.

Tonight 1 May Judith Basin County and Judith Gap

Mostly clear. Lows 35 to 40. Northeast Winds up to 10 Mph shifting to the south after midnight.

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Windham Temperature Statistics

May Temperature

Lewistown, Lewistown Municipal Airport (32.3 miles)

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  • Average May

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Climate (2020–Present)

Lewistown, Lewistown Municipal Airport (32.3 miles)

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  • Average Low 2020–2025

    32.2 °F

  • Average 2020–2025

    44.3 °F

  • Average High 2020–2025

    56.2 °F
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