Oso Weather Forecast
- 45
- 71
Chance Rain Showers
- 42
- 58
Rain Showers
- 40
- 54
Rain Showers
- 37
- 56
Slight Chance Rain Showers
- 38
- 62
Mostly Sunny
- 41
- 66
Mostly Sunny
Today 18 Apr Foothills and Valleys of the North Cascades
Sunny. Highs in the 60s to lower 70s. Light wind becoming west to 10 Mph in the afternoon.
Tonight 18 Apr Foothills and Valleys of the North Cascades
Mostly cloudy. A chance of Showers after midnight. Lows in the lower to mid 40s. South wind 10 to 15 Mph becoming northwest after midnight.