10-Day Weather Forecast - Prosser, WA

Mostly cloudy in the morning becoming partly cloudy. Highs in the upper 60s to lower 70s. Light wind becoming east 5 to 10 mph in the afternoon.

Partly cloudy. Lows in the lower to mid 40s. Northeast wind 5 to 10 mph.

Mostly cloudy. Highs in the mid to upper 70s. Northeast wind 5 to 10 mph.

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

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

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

Partly cloudy with a 20 percent chance of rain. Highs in the lower to mid 70s.

Mostly cloudy with a 50 percent chance of rain. Lows in the upper 40s to lower 50s. Highs in the mid 60s to mid 70s.

Mostly cloudy with a 50 percent chance of rain. Lows in the upper 40s to lower 50s. Highs in the mid 60s to mid 70s.

Partly cloudy with a 20 percent chance of rain. Lows in the lower to mid 40s. Highs in the 60s.

Partly cloudy with a 20 percent chance of rain. Lows in the lower to mid 40s. Highs in the 60s.

Mostly clear. Low temperature around 41F. Dew point will be around 39F with an average humidity of 66%. Winds will be 4 mph from the N.

Sunny. High temperature around 71F. Dew point will be around 40F with an average humidity of 48%. Winds will be 6 mph from the NE.

Clear. Low temperature around 43F. Dew point will be around 36F with an average humidity of 53%. Winds will be 2 mph from the W.

Sunny. High temperature around 75F. Dew point will be around 41F with an average humidity of 43%. Winds will be 1 mph from the N.

Clear. Low temperature around 45F. Dew point will be around 37F with an average humidity of 51%. Winds will be 3 mph from the W.

Sunny. High temperature around 78F. Dew point will be around 42F with an average humidity of 40%. Winds will be 2 mph from the W.

Mostly clear. Low temperature around 47F. Dew point will be around 39F with an average humidity of 52%. Winds will be 5 mph from the W.