Upper Glaston Lake Weather Forecast

    • 54
    • 80

    Rain Showers Likely

    • 52
    • 76

    Rain Showers

    • 52
    • 75

    Rain Showers Likely

    • 55
    • 84

    Mostly Sunny

    • 55
    • 87

    Partly Sunny

    • 55
    • 86

    Partly Sunny

    • 54
    • 86

    Mostly Sunny

Today 21 Jul Northern Sweet Grass

Partly sunny with a 50 percent chance of Showers and Thunderstorms. Highs in the mid 80s. East Winds 10 to 20 Mph.

Tonight 21 Jul Northern Sweet Grass

Mostly cloudy. Chance of Showers and Thunderstorms in the Evening, then slight chance of rain Showers overnight. Patchy fog overnight. Lows in the mid 50s. East Winds 5 to 15 Mph. Chance of precipitation 50 percent.

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Upper Glaston Lake Temperature Statistics

July Temperature

Livingston, Mission Field Airport (37.9 miles)

  • Lowest 6 July, 2025

    42.7 °F

  • Average July

    67.5 °F

  • Highest 14 July, 2025

    96.7 °F

Climate (2020–Present)

Livingston, Mission Field Airport (37.9 miles)

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  • Average Low 2020–2025

    34.4 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    59.6 °F
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