Fairgrounds Weather Forecast

    • 58
    • 79

    Mostly Sunny

    • 66
    • 86

    Mostly Sunny

    • 66
    • 90

    Rain Showers Likely

    • 65
    • 88

    Mostly Sunny

    • 65
    • 90

    Slight Chance Thunderstorms

    • 62
    • 86

    Mostly Sunny

Today 22 Jul Pennington

Sunny. Highs 75 to 80. West Winds 5 to 15 Mph.

Tonight 22 Jul Pennington

Mostly clear. Lows 55 to 60. Southwest Winds 5 to 15 Mph.

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Fairgrounds Temperature Statistics

July Temperature

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

  • Lowest 9 July, 2026

    55.9 °F

  • Average July

    73.7 °F

  • Highest 12 July, 2026

    93.9 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    41.1 °F

  • Average High 2021–2026

    49.9 °F
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