10-Day Weather Forecast - Prosser, WA

Sunny. Highs in the lower to mid 70s. South wind 5 to 10 mph shifting to the north in the afternoon.

Mostly clear. Lows in the mid to upper 40s. Northeast wind 5 to 10 mph.

Sunny. Highs in the mid 70s to lower 80s. Northeast wind 5 to 10 mph.

Mostly cloudy. Lows in the mid 40s to mid 50s. Highs in the mid 70s to lower 80s.

Mostly cloudy. Lows in the mid 40s to mid 50s. Highs in the mid 70s to lower 80s.

Mostly cloudy. Lows in the mid 40s to mid 50s. Highs in the mid 70s to lower 80s.

Mostly cloudy. Lows in the mid 40s to mid 50s. Highs in the mid 70s to lower 80s.

Mostly cloudy. Lows in the mid 40s to mid 50s. Highs in the mid 70s to lower 80s.

Mostly clear. Highs in the 80s. Lows in the 50s.

Mostly clear. Highs in the 80s. Lows in the 50s.

Mostly clear. Highs in the 80s. Lows in the 50s.

Clear. Low temperature around 55F. Dew point will be around 41F with an average humidity of 42%. Winds will be 5 mph from the N.

Sunny. High temperature around 87F. Dew point will be around 46F with an average humidity of 36%. Winds will be 3 mph from the W.

Clear. Low temperature around 52F. Dew point will be around 43F with an average humidity of 49%. Winds will be 6 mph from the W.

Sunny. High temperature around 85F. Dew point will be around 46F with an average humidity of 40%. Winds will be 5 mph from the SW.

Clear. Low temperature around 51F. Dew point will be around 42F with an average humidity of 49%. Winds will be 5 mph from the W.

Mostly sunny. High temperature around 81F. Dew point will be around 45F with an average humidity of 41%. Winds will be 3 mph from the W.

Partly cloudy. Low temperature around 51F. Dew point will be around 41F with an average humidity of 48%. Winds will be 3 mph from the W.