Diamond Lake Weather Forecast

    • 42
    • 69

    Mostly Sunny

    • 42
    • 68

    Mostly Sunny

    • 43
    • 69

    Mostly Sunny

    • 32
    • 59

    Rain

    • 33
    • 47

    Rain/Snow Likely

    • 36
    • 55

    Mostly Sunny

Today 22 May South Central Oregon Cascades

Sunny. Highs in the mid 60s to mid 70s. East Winds around 5 Mph shifting to the northwest this afternoon.

Tonight 22 May South Central Oregon Cascades

Mostly clear. Lows in the lower to mid 40s. Northwest Winds 5 to 10 Mph shifting to the northeast after Midnight, then shifting to the southeast well after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Lake Temperature Statistics

May Temperature

Roseburg Regional Airport (60.9 miles)

  • Lowest 18 May, 2026

    42.1 °F

  • Average May

    61.8 °F

  • Highest 3 May, 2026

    85.6 °F

Climate (2021–Present)

Roseburg Regional Airport (60.9 miles)

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

  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    68 °F
Get WillyWeather+ to remove ads