Grieve Airport Weather Forecast

    • 47
    • 66

    Rain Showers Likely

    • 49
    • 69

    Chance Rain Showers

    • 49
    • 68

    Chance Rain Showers

    • 49
    • 70

    Mostly Cloudy

    • 48
    • 69

    Slight Chance Rain Showers

    • 47
    • 70

    Mostly Cloudy

Today 16 Sep Cass

Partly sunny with a chance of Showers. A slight chance of Thunderstorms this afternoon. Highs in the mid 60s. Southeast Winds 5 to 15 Mph. Chance of rain 50 percent.

Tonight 16 Sep Cass

Mostly cloudy. Lows in the mid 40s. East Winds around 5 Mph shifting to the north after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grieve Airport Temperature Statistics

September Temperature

Valley City (23 miles)

  • Lowest 13 September, 2026

    42.8 °F

  • Average September

    66.6 °F

  • Highest 4 September, 2026

    86 °F

Climate (2021–2026)

Valley City (23 miles)

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  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    42 °F

  • Average High 2021–2026

    51.9 °F
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