Lewis and Clark State Park Weather Forecast

    • 49
    • 62

    Chance Rain Showers

    • 47
    • 66

    Mostly Cloudy

    • 50
    • 74

    Mostly Sunny

    • 53
    • 80

    Partly Sunny

    • 47
    • 70

    Mostly Sunny

    • 47
    • 74

    Mostly Sunny

Today 18 Sep Williams

Patchy fog early in the morning. Cloudy with a chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs in the lower 60s. East Winds 5 to 15 Mph. Chance of rain 40 percent.

Tonight 18 Sep Williams

Cloudy. A slight chance of Showers in the evening. Lows in the upper 40s. East Winds 5 to 10 Mph.

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Lewis and Clark State Park Temperature Statistics

September Temperature

WATFORD CITY (21.1 miles)

  • Lowest 6 September, 2025

    28.4 °F
  • Average September

    62.6 °F
  • Highest 1 September, 2025

    87.8 °F

Climate (2020–Present)

WATFORD CITY (21.1 miles)

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  • Average Low 2020–2025

    31.5 °F
  • Average 2020–2025

    43.5 °F
  • Average High 2020–2025

    54.8 °F
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