Phillips Reservoir Weather Forecast

    • 61
    • 82

    Mostly Sunny

    • 66
    • 91

    Mostly Sunny

    • 65
    • 93

    Chance Rain Showers

    • 64
    • 89

    Chance Rain Showers

    • 59
    • 80

    Chance Rain Showers

    • 60
    • 79

    Chance Thunderstorms

Today 30 Jun Southwest Phillips

Sunny. Highs around 80. West wind around 5 Mph, becoming southeast in the afternoon.

Tonight 30 Jun Southwest Phillips

Mostly clear. Lows in the upper 50s. Southeast wind 5 to 10 Mph.

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  • Temperature Real-Time

Phillips Reservoir Temperature Statistics

June Temperature

Lewistown, Lewistown Municipal Airport (66.5 miles)

  • Lowest 3 June, 2025

    32.6 °F
  • Average June

    58.3 °F
  • Highest 9 June, 2025

    86.6 °F

Climate (2020–Present)

Lewistown, Lewistown Municipal Airport (66.5 miles)

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  • Average Low 2020–2025

    32.2 °F
  • Average 2020–2025

    44.4 °F
  • Average High 2020–2025

    56.3 °F
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