10-Day Weather Forecast - Prosser, WA

Partly cloudy with a 20 percent chance of rain showers in the morning, then sunny in the afternoon. Highs in the lower 70s. Light wind.

Mostly clear. Lows in the mid 40s to lower 50s. Light wind.

Mostly cloudy with a 40 percent chance of rain showers. Highs in the lower to mid 70s. Light wind.

Partly cloudy. Lows in the upper 40s to lower 50s. Light wind.

Partly cloudy. Highs in the 70s.

Mostly cloudy with a 50 percent chance of rain showers. Lows in the lower to mid 50s.

Mostly cloudy with a 50 percent chance of rain showers. Highs in the 70s.

Partly cloudy with a 20 percent chance of rain showers. Lows in the upper 40s to lower 50s.

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

Partly cloudy. Lows in the upper 40s to mid 50s.

Partly cloudy. Highs in the lower to mid 80s.

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

Partly cloudy. Highs in the lower to mid 80s.

Mostly clear. Low temperature around 52F. Dew point will be around 52F with an average humidity of 75%. Winds will be 4 mph from the SW.

Mostly sunny. High temperature around 76F. Dew point will be around 49F with an average humidity of 53%. Winds will be 4 mph from the W.

Partly cloudy. Low temperature around 49F. Dew point will be around 51F with an average humidity of 78%. Winds will be 4 mph from the W.

Mostly sunny. High temperature around 74F. Dew point will be around 47F with an average humidity of 53%. Winds will be 4 mph from the W.

Mostly clear. Low temperature around 48F. Dew point will be around 50F with an average humidity of 78%. Winds will be 3 mph from the W.