Twin Lake Weather Forecast

    • 42
    • 55

    Rain Showers

    • 41
    • 64

    Mostly Sunny

    • 42
    • 66

    Partly Sunny

    • 43
    • 65

    Mostly Sunny

    • 47
    • 73

    Sunny

    • 50
    • 77

    Mostly Sunny

Today 13 Sep Northern Blue Mountains of Oregon

Rain Showers likely in the Morning, then a chance of rain Showers in the afternoon. Highs in the 50s. Southwest wind 5 to 15 Mph with Gusts to around 30 Mph. Chance of precipitation 70 percent. Rainfall Amounts less than a quarter of an inch.

Tonight 13 Sep Northern Blue Mountains of Oregon

Mostly cloudy. Rain Showers in the Evening, then a chance of rain Showers overnight. Lows in the upper 30s to mid 40s. Southwest wind 5 to 15 Mph with Gusts to around 30 Mph. Chance of precipitation 90 percent. Rainfall Amounts up to a half of an inch possible.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Twin Lake Temperature Statistics

September Temperature

La Grande/Union County Airport (6.2 miles)

  • Lowest 4 September, 2026

    39 °F

  • Average September

    59 °F

  • Highest 10 September, 2026

    89.1 °F

Climate (2021–2026)

La Grande/Union County Airport (6.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    62.7 °F
Get WillyWeather+ to remove ads