Montesano Weather Forecast
- 46
- 72
Increasing Clouds
- 48
- 78
Increasing Clouds
- 51
- 79
Partly Sunny
- 53
- 78
Partly Sunny
- 54
- 73
Chance Rain
- 53
- 75
Partly Sunny
- 54
- 81
Partly Sunny
Today 12 Jul Lower Chehalis River Valley
Sunny. Highs in the upper 60s to mid 70s. Northwest wind 10 to 15 Mph.
Tonight 12 Jul Lower Chehalis River Valley
Mostly clear. Patchy fog late in the night. Lows in the mid to upper 40s. Northwest wind 10 to 15 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
58.9 °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