Richardton Weather Forecast

    • 62
    • 85

    Decreasing Clouds

    • 67
    • 89

    Mostly Sunny

    • 65
    • 93

    Mostly Sunny

    • 54
    • 82

    Mostly Sunny

    • 49
    • 75

    Mostly Sunny

    • 46
    • 70

    Mostly Sunny

Today 18 Aug Stark

Partly sunny late in the morning then clearing. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s. Northwest Winds around 10 Mph, becoming east in the afternoon.

Tonight 18 Aug Stark

Mostly clear. Patchy fog. Lows in the lower 60s. Southeast Winds around 5 Mph.

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Richardton Temperature Statistics

August Temperature

Glen Ullin Regional Airport (21.7 miles)

  • Lowest 12 August, 2025

    48.2 °F

  • Average August

    68.1 °F

  • Highest 6 August, 2025

    87.8 °F

Climate (2020–Present)

Glen Ullin Regional Airport (21.7 miles)

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  • Average Low 2020–2025

    29.6 °F

  • Average 2020–2025

    42.9 °F

  • Average High 2020–2025

    55.2 °F
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