Rock Lake Weather Forecast

    • 45
    • 72

    Mostly Sunny

    • 51
    • 76

    Chance Rain Showers

    • 47
    • 79

    Mostly Sunny

    • 47
    • 76

    Chance Rain Showers

    • 49
    • 73

    Rain Showers

    • 44
    • 69

    Chance Rain Showers

Today 13 May South Cass

Sunny. Highs in the lower 70s. North Winds 5 to 10 Mph.

Tonight 13 May South Cass

Mostly clear. Not as cool with Lows in the mid 40s. East Winds around 5 Mph, becoming southeast with Gusts up to 20 Mph after midnight.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Lake Temperature Statistics

May Temperature

Staples, Staples Municipal Airport (16.2 miles)

  • Lowest 1 May, 2026

    26.6 °F
  • Average May

    48.1 °F
  • Highest 3 May, 2026

    69.8 °F

Climate (2021–Present)

Staples, Staples Municipal Airport (16.2 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    34.2 °F
  • Average 2021–2026

    44.6 °F
  • Average High 2021–2026

    54.5 °F
Get WillyWeather+ to remove ads