Montesano Weather Forecast
- 40
- 51
Rain
- 36
- 50
Rain Showers
- 33
- 53
Slight Chance Rain
- 36
- 52
Mostly Cloudy
- 38
- 50
Rain Likely
- 35
- 48
Rain
- 32
- 47
Rain Likely
Today 8 Feb Lower Chehalis River Valley
Mostly cloudy. Patchy fog in the morning. A slight chance of rain late in the afternoon. Highs in the lower 50s. Light wind.
Tonight 8 Feb Lower Chehalis River Valley
Mostly cloudy in the Evening, then a chance of rain late in the evening. Mostly cloudy with rain at Times after midnight. Rainfall Amounts a tenth to a quarter of an inch possible. Lows near 40. Light wind.
Montesano Temperature Statistics
February Temperature
Hoquiam, Bowerman Airport (14.9 miles)
Lowest 6 February, 2026
37 °FAverage February
50.6 °FHighest 4 February, 2026
60.1 °F
Climate (2021–Present)
Hoquiam, Bowerman Airport (14.9 miles)
Average Low 2021–2026
46.3 °FAverage 2021–2026
52.2 °FAverage High 2021–2026
58.5 °F