10-Day Weather Forecast - Prosser, WA

Sunny. Highs in the mid to upper 80s. West wind 5 to 10 mph.

Mostly clear. Lows in the mid to upper 50s. Northwest wind 5 to 10 mph.

Sunny. Highs in the upper 80s to lower 90s. North wind 5 to 10 mph.

Mostly clear. Lows in the mid 50s to lower 60s. Highs in the upper 80s to upper 90s.

Mostly clear. Lows in the mid 50s to lower 60s. Highs in the upper 80s to upper 90s.

Mostly clear. Lows in the mid 50s to lower 60s. Highs in the upper 80s to upper 90s.

Mostly clear. Lows in the mid 50s to lower 60s. Highs in the upper 80s to upper 90s.

Mostly clear. Lows in the mid 50s to lower 60s. Highs in the upper 80s to upper 90s.

Mostly clear. Lows in the mid 50s to lower 60s. Highs in the upper 80s to upper 90s.

Mostly clear. Lows in the mid 50s to lower 60s. Highs in the upper 80s to upper 90s.

Partly cloudy. Highs in the upper 70s to mid 80s.

Mostly clear. Low temperature around 56F. Dew point will be around 48F with an average humidity of 57%. Winds will be 9 mph from the W.

Partly cloudy. High temperature around 79F. Dew point will be around 45F with an average humidity of 38%. Winds will be 9 mph from the W.

Mostly clear. Low temperature around 51F. Dew point will be around 44F with an average humidity of 56%. Winds will be 9 mph from the W.

Sunny. High temperature around 80F. Dew point will be around 42F with an average humidity of 38%. Winds will be 7 mph from the SW.

Clear. Low temperature around 50F. Dew point will be around 42F with an average humidity of 54%. Winds will be 6 mph from the W.

Sunny. High temperature around 82F. Dew point will be around 42F with an average humidity of 36%. Winds will be 2 mph from the W.

Clear. Low temperature around 54F. Dew point will be around 43F with an average humidity of 50%. Winds will be 4 mph from the W.