Grave Lake Weather Forecast

    • 43
    • 70

    Mostly Sunny

    • 50
    • 73

    Chance Rain Showers

    • 45
    • 76

    Mostly Sunny

    • 44
    • 72

    Partly Sunny

    • 47
    • 70

    Rain Showers Likely

    • 43
    • 65

    Slight Chance Rain Showers

Today 13 May North Cass

Sunny. Not as cool with Highs in the upper 60s. Northwest Winds 5 to 10 Mph.

Tonight 13 May North Cass

Mostly clear. Not as cool with Lows in the mid 40s. Northeast Winds around 5 Mph, becoming southeast with Gusts up to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grave Lake Temperature Statistics

May Temperature

Longville, Longville Municipal Airport (14.9 miles)

  • Lowest 1 May, 2026

    24.8 °F

  • Average May

    44.8 °F

  • Highest 2 May, 2026

    64.4 °F

Climate (2021–Present)

Longville, Longville Municipal Airport (14.9 miles)

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  • Average Low 2021–2026

    31.4 °F

  • Average 2021–2026

    41.9 °F

  • Average High 2021–2026

    51.5 °F
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