Chehalis River - Cosmopolis Weather Forecast
- 50
- 74
Increasing Clouds
- 55
- 67
Mostly Cloudy
- 49
- 66
Slight Chance Rain
- 50
- 68
Partly Sunny
- 51
- 66
Mostly Cloudy
- 49
- 67
Partly Sunny
Today 6 Jul Lower Chehalis River Valley
Mostly sunny. Highs in the 70s. Light wind becoming west 10 to 15 Mph in the afternoon.
Tonight 6 Jul Lower Chehalis River Valley
Mostly cloudy. Lows near 50. West wind around 10 Mph with Gusts to 20 Mph.
Chehalis River - Cosmopolis Temperature Statistics
July Temperature
Hoquiam, Bowerman Airport (6.8 miles)
Lowest 1 July, 2026
53.7 °FAverage July
58.5 °FHighest 3 July, 2026
64 °F
Climate (2021–2026)
Hoquiam, Bowerman Airport (6.8 miles)
Average Low 2021–2026
46.4 °FAverage 2021–2026
52.3 °FAverage High 2021–2026
58.6 °F