10-Day Weather Forecast - Prosser, WA

Partly sunny. Highs in the mid 30s. Light wind becoming north 5 to 10 mph in the afternoon.

Mostly cloudy. Areas of fog overnight. Lows in the lower to mid 20s. Light wind.

Mostly sunny. Areas of fog. Highs in the lower to mid 30s. Light wind.

Mostly clear. Patchy fog. Lows in the lower to mid 20s. Light wind.

Mostly sunny. Highs in the lower to mid 30s.

Mostly cloudy. Patchy fog. Lows in the lower to mid 20s.

Mostly cloudy. Highs in the lower to mid 30s.

Mostly cloudy with a 20 percent chance of rain or snow. Lows in the upper 20s.

Mostly cloudy with a 20 percent chance of rain. Highs in the upper 30s to lower 40s.

Mostly cloudy with a 40 percent chance of rain. Lows around 30.

Mostly cloudy with a 20 percent chance of rain or snow. Highs in the upper 30s to lower 40s.

Mostly cloudy with a 20 percent chance of rain. Lows in the lower 30s.

Mostly cloudy with a 20 percent chance of rain or snow. Highs in the lower to mid 40s.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 35F. Dew point will be around 33F with an average humidity of 86%. Winds will be 3 mph from the SW.

Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 44F. Dew point will be around 34F with an average humidity of 78%. Winds will be 4 mph from the SW.

Partly cloudy. Low temperature around 35F. Dew point will be around 33F with an average humidity of 85%. Winds will be 4 mph from the SW.

Partly cloudy. High temperature around 44F. Dew point will be around 33F with an average humidity of 75%. Winds will be 5 mph from the SW.

Partly cloudy. Low temperature around 36F. Dew point will be around 33F with an average humidity of 83%. Winds will be 5 mph from the SW.