Fairgrounds Weather Forecast

    • 57
    • 78

    Rain Showers

    • 54
    • 77

    Partly Sunny

    • 53
    • 80

    Mostly Sunny

    • 50
    • 76

    Partly Sunny

    • 56
    • 77

    Slight Chance Rain Showers

    • 59
    • 81

    Slight Chance Rain Showers

Today 19 Aug Pennington

Sunny. Highs 75 to 80. West Winds up to 10 Mph.

Tonight 19 Aug Pennington

Mostly cloudy with scattered Showers. Isolated Thunderstorms after midnight. Lows 55 to 60. Southeast Winds 5 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Fairgrounds Temperature Statistics

August Temperature

Thief River Falls, Thief River Falls Regional Airport (3.7 miles)

  • Lowest 5 August, 2026

    48.9 °F

  • Average August

    67.5 °F

  • Highest 2 August, 2026

    87.1 °F

Climate (2021–2026)

Thief River Falls, Thief River Falls Regional Airport (3.7 miles)

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  • Average Low 2021–2026

    32 °F

  • Average 2021–2026

    41.1 °F

  • Average High 2021–2026

    49.9 °F
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