Roy Lake Weather Forecast

    • 45
    • 60

    Mostly Cloudy

    • 46
    • 62

    Chance Rain Showers

    • 53
    • 76

    Mostly Sunny

    • 58
    • 85

    Mostly Sunny

    • 61
    • 85

    Mostly Sunny

    • 58
    • 83

    Partly Sunny

Today 22 May Mahnomen

Showers. Highs 60 to 65. Temperature falling through late afternoon. Breezy. Southeast Winds around 20 Mph with Gusts to around 35 Mph. Chance of rain near 100 percent.

Tonight 22 May Mahnomen

Showers, mainly this evening. Lows in the mid 40s. Breezy. Southeast Winds 15 to 25 Mph with Gusts to around 35 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roy Lake Temperature Statistics

May Temperature

Mahnomen County Airport (18 miles)

  • Lowest 1 May, 2026

    25.2 °F

  • Average May

    48.8 °F

  • Highest 15 May, 2026

    78.1 °F

Climate (2021–Present)

Mahnomen County Airport (18 miles)

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  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    41.8 °F

  • Average High 2021–2026

    51.2 °F
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