Montesano Weather Forecast

    • 42
    • 50

    Rain

    • 46
    • 51

    Rain

    • 47
    • 52

    Rain

    • 36
    • 52

    Rain

    • 33
    • 47

    Rain/Snow

    • 34
    • 46

    Rain/Snow

Today 5 Mar Lower Chehalis River Valley

Mostly cloudy with a chance of rain. Highs near 50. West wind around 10 Mph with Gusts to 20 Mph.

Tonight 5 Mar Lower Chehalis River Valley

Rain likely in the Evening, then rain after midnight. Rainfall Amounts a quarter to a half inch possible. Lows in the lower to mid 40s. Southwest wind around 10 Mph in the evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Montesano Temperature Statistics

March Temperature

Hoquiam, Bowerman Airport (14.9 miles)

  • Lowest 2 March, 2026

    36 °F

  • Average March

    46.7 °F

  • Highest 1 March, 2026

    57.9 °F

Climate (2021–Present)

Hoquiam, Bowerman Airport (14.9 miles)

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

  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    58.5 °F
Get WillyWeather+ to remove ads