Montesano Weather Forecast
- 52
- 70
Increasing Clouds
- 49
- 67
Mostly Cloudy
- 47
- 66
Partly Sunny
- 47
- 73
Partly Sunny
- 49
- 77
Mostly Sunny
- 51
- 76
Partly Sunny
Today 9 Jul Lower Chehalis River Valley
Partly sunny in the morning then becoming sunny. Highs in the mid 60s to lower 70s. Light wind becoming west 10 to 15 Mph in the afternoon.
Tonight 9 Jul Lower Chehalis River Valley
Mostly clear in the evening then becoming mostly cloudy. Lows in the lower to mid 50s. West wind around 10 Mph with Gusts to 20 Mph in the evening becoming light.
Montesano Temperature Statistics
July Temperature
Hoquiam, Bowerman Airport (14.9 miles)
Lowest 6 July, 2026
47.6 °FAverage July
58.6 °FHighest 5 July, 2026
69.7 °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