Perch Lake Weather Forecast

    • 37
    • 65

    Increasing Clouds

    • 41
    • 68

    Partly Sunny

    • 52
    • 69

    Chance Rain Showers

    • 49
    • 67

    Chance Rain Showers

    • 44
    • 62

    Chance Rain Showers

    • 41
    • 64

    Slight Chance Rain Showers

    • 40
    • 62

    Partly Sunny

Today 1 May Upper Columbia Basin

Sunny. Highs in the lower to mid 60s. West wind 5 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 1 May Upper Columbia Basin

Mostly clear. Widespread frost overnight. Lows in the 30s. Southwest wind 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Perch Lake Temperature Statistics

May Temperature

Ephrata, Ephrata Municipal Airport (20.5 miles)

  • Lowest

  • Average May

  • Highest

Climate (2019–Present)

Ephrata, Ephrata Municipal Airport (20.5 miles)

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  • Average Low 2019–2024

    42 °F
  • Average 2019–2024

    52.8 °F
  • Average High 2019–2024

    62.9 °F
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