Montesano Weather Forecast

    • 53
    • 77

    Partly Sunny

    • 52
    • 84

    Mostly Sunny

    • 51
    • 71

    Partly Sunny

    • 48
    • 67

    Partly Sunny

    • 46
    • 66

    Partly Sunny

    • 45
    • 66

    Mostly Cloudy

Today 2 May Lower Chehalis River Valley

Mostly cloudy in the morning then becoming sunny. Highs in the 70s. Light wind.

Tonight 2 May Lower Chehalis River Valley

Mostly clear. Lows in the lower to mid 50s. Light wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Montesano Temperature Statistics

May Temperature

Hoquiam, Bowerman Airport (14.9 miles)

  • Lowest

    –

  • Average May

    –

  • Highest

    –

Climate (2021–Present)

Hoquiam, Bowerman Airport (14.9 miles)

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

  • Average Low 2021–2026

    46.4 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    58.6 °F
Get WillyWeather+ to remove ads