Saint Marys Lake Weather Forecast

    • 37
    • 65

    Rain Showers Likely

    • 32
    • 56

    Mostly Sunny

    • 32
    • 56

    Partly Sunny

    • 42
    • 67

    Chance Rain Showers

    • 38
    • 67

    Breezy

    • 46
    • 73

    Slight Chance Rain Showers

Today 8 May Barnes

Sunny. Highs in the mid 60s. Windy. West Winds around 15 Mph increasing to northwest around 25 Mph this afternoon.

Tonight 8 May Barnes

Mostly cloudy. A chance of Showers in the evening. Lows in the mid 30s. Northwest Winds 10 to 20 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Marys Lake Temperature Statistics

May Temperature

Valley City (8.7 miles)

  • Lowest 1 May, 2026

    21.2 °F

  • Average May

    47.9 °F

  • Highest 2 May, 2026

    71.6 °F

Climate (2021–Present)

Valley City (8.7 miles)

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  • Average Low 2021–2026

    32 °F

  • Average 2021–2026

    42 °F

  • Average High 2021–2026

    51.9 °F
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