Mar Lake Weather Forecast

    • 59
    • 91

    Rain Showers Likely

    • 58
    • 78

    Rain Showers

    • 59
    • 83

    Chance Thunderstorms

    • 57
    • 81

    Chance Thunderstorms

    • 56
    • 80

    Chance Thunderstorms

    • 58
    • 82

    Slight Chance Thunderstorms

Today 12 Aug Grant

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs around 90. East Winds 10 to 20 Mph. Chance of precipitation 50 percent.

Tonight 12 Aug Grant

Showers likely and a chance of Thunderstorms in the Evening, then Showers likely and a slight chance of Thunderstorms after midnight. Lows around 60. Northeast Winds 10 to 20 Mph. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mar Lake Temperature Statistics

August Temperature

Alliance, Alliance Municipal Airport (40.4 miles)

  • Lowest 5 August, 2026

    43.6 °F

  • Average August

    73.1 °F

  • Highest 2 August, 2026

    104.6 °F

Climate (2021–2026)

Alliance, Alliance Municipal Airport (40.4 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    64.8 °F
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