Cosmopolis Weather Forecast
- 39
- 63
Becoming Sunny
- 41
- 66
Sunny
- 45
- 67
Mostly Sunny
- 43
- 55
Partly Sunny
- 41
- 55
Chance Rain
- 39
- 55
Slight Chance Rain
Today 16 Apr Lower Chehalis River Valley
Sunny. Patchy fog in the morning. Highs in the upper 50s to mid 60s. Light wind becoming east around 10 Mph in the afternoon.
Tonight 16 Apr Lower Chehalis River Valley
Clear. Lows near 40. Light wind.