10-Day Weather Forecast - Sumner, WA

Mostly sunny. Highs in the upper 60s to mid 70s. North wind to 10 mph. Gusts to 20 mph in the afternoon.

Mostly clear. Lows in the lower to mid 50s. North wind 10 to 15 mph decreasing to 10 mph or less after midnight.

Sunny. Highs in the mid 70s to lower 80s. Light wind.

Mostly clear. Lows in the 50s. North wind to 10 mph in the evening becoming light.

Mostly sunny. Highs in the 70s. Light wind.

Partly cloudy. Lows in the lower to mid 50s.

Mostly cloudy. Highs in the lower to mid 70s.

Partly cloudy. Lows in the lower to mid 50s.

Mostly sunny. Highs in the 70s.

Clear. Lows in the lower 50s.

Sunny. Highs in the 70s.

Mostly clear. Lows in the lower to mid 50s.

Partly sunny. Highs in the lower to mid 70s.

Partly cloudy. Low temperature around 55F. Dew point will be around 51F with an average humidity of 71%. Winds will be 2 mph from the W.

Sunny. High temperature around 74F. Dew point will be around 53F with an average humidity of 62%. Winds will be 2 mph from the NW.

Clear. Low temperature around 55F. Dew point will be around 52F with an average humidity of 71%. Winds will be 2 mph from the NW.

Sunny. High temperature around 79F. Dew point will be around 54F with an average humidity of 58%. Winds will be 2 mph from the N.

Clear. Low temperature around 58F. Dew point will be around 54F with an average humidity of 69%. Winds will be 1 mph from the W.

Mostly sunny. High temperature around 81F. Dew point will be around 56F with an average humidity of 59%. Winds will be 3 mph from the N.

Mostly clear. Low temperature around 59F. Dew point will be around 55F with an average humidity of 70%. Winds will be 1 mph from the W.