Montesano Weather Forecast
- 57
- 66
Chance Rain
- 54
- 65
Rain Likely
- 54
- 72
Mostly Cloudy
- 53
- 70
Chance Rain
- 50
- 73
Partly Sunny
- 51
- 74
Partly Sunny
Today 25 Jul Lower Chehalis River Valley
Cloudy. A slight chance of Showers late in the morning. A chance of Showers early in the Afternoon, then a slight chance of Showers late in the afternoon. Highs in the 60s to lower 70s. South wind 10 to 15 Mph.
Tonight 25 Jul Lower Chehalis River Valley
Mostly cloudy. A chance of rain in the Evening, then a slight chance of rain after midnight. A chance of rain in the morning. Lows in the mid to upper 50s. South wind 10 to 15 Mph decreasing to 10 Mph or less after midnight.
Montesano Temperature Statistics
July Temperature
Hoquiam, Bowerman Airport (14.9 miles)
Lowest 6 July, 2026
47.6 °FAverage July
60.7 °FHighest 21 July, 2026
79.6 °F
Climate (2021–2026)
Hoquiam, Bowerman Airport (14.9 miles)
Average Low 2021–2026
46.3 °FAverage 2021–2026
52.3 °FAverage High 2021–2026
58.6 °F