10-Day Weather Forecast - Sumner, WA

Sunny. Highs in the 60s to lower 70s. Light wind becoming north to 10 mph in the afternoon.

Mostly clear. Lows in the 40s. North wind to 10 mph in the evening becoming light.

Mostly sunny. Highs in the upper 60s to mid 70s. Light wind.

Partly cloudy. Lows in the mid to upper 40s.

Partly sunny. Highs in the mid to upper 60s.

Mostly cloudy. Lows in the mid to upper 40s.

Mostly sunny. Highs in the lower 70s.

Mostly clear. Lows near 50.

Sunny. Highs in the upper 70s.

Mostly clear. Lows in the lower 50s.

Sunny. Highs near 80.

Clear. Low temperature around 53F. Dew point will be around 50F with an average humidity of 72%. Winds will be 4 mph from the S.

Partly cloudy. High temperature around 71F. Dew point will be around 51F with an average humidity of 67%. Winds will be 8 mph from the SW.

Clear. Low temperature around 49F. Dew point will be around 49F with an average humidity of 78%. Winds will be 8 mph from the S.

Mostly cloudy. High temperature around 68F. Dew point will be around 48F with an average humidity of 67%. Winds will be 7 mph from the SW.

Clear. Low temperature around 47F. Dew point will be around 47F with an average humidity of 78%. Winds will be 4 mph from the SW.

Partly cloudy. High temperature around 70F. Dew point will be around 48F with an average humidity of 63%. Winds will be 3 mph from the SW.

Partly cloudy. Low temperature around 48F. Dew point will be around 47F with an average humidity of 74%. Winds will be 2 mph from the SW.