10-Day Weather Forecast - Union, WA

Mostly cloudy. Highs in the upper 60s to mid 70s. Light wind becoming east to 10 mph in the afternoon.

Partly cloudy. Lows near 50. Southwest wind to 10 mph in the evening becoming light.

Mostly sunny. Highs in the 70s. Light wind becoming south around 10 mph in the afternoon.

Mostly clear. Lows near 50. Southwest wind to 10 mph in the evening becoming light.

Partly sunny. Highs in the lower 70s.

Partly cloudy. Lows near 50.

Partly sunny. Highs near 70.

Partly cloudy. Lows in the upper 40s.

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

Mostly clear. Lows near 50.

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

Mostly clear. Lows in the lower 50s.

Sunny. Highs near 80.

Clear. Low temperature around 58F. Dew point will be around 51F with an average humidity of 61%. Winds will be 4 mph from the W.

Sunny. High temperature around 82F. Dew point will be around 55F with an average humidity of 56%. Winds will be 3 mph from the SW.

Clear. Low temperature around 58F. Dew point will be around 53F with an average humidity of 65%. Winds will be 4 mph from the SW.

Sunny. High temperature around 82F. Dew point will be around 56F with an average humidity of 59%. Winds will be 3 mph from the SW.

Clear. Low temperature around 57F. Dew point will be around 54F with an average humidity of 70%. Winds will be 4 mph from the SW.