10-Day Weather Forecast - Tri-Cities, WA

A chance of rain in the morning then rain in the afternoon. Highs in the lower to mid 50s. South wind 5 to 15 mph. Gusts up to 20 mph increasing to 30 mph in the afternoon. Chance of precipitation near 100 percent. Rainfall amounts up to a half of an inch possible.

Rain in the evening then rain likely overnight. Lows in the mid 30s to lower 40s. Windy. Southwest wind 15 to 25 mph with gusts to around 35 mph. Chance of precipitation 90 percent. Rainfall amounts less than a quarter of an inch.

Partly sunny with a 50 percent chance of rain. Highs in the mid to upper 40s. Southwest wind 5 to 15 mph with gusts to around 25 mph.

Mostly clear with a 20 percent chance of rain. Lows in the lower to mid 30s. Southwest wind 5 to 15 mph with gusts to around 25 mph.

Breezy. Sunny with a 20 percent chance of rain. Highs in the mid to upper 40s.

Partly cloudy. Lows in the lower 30s.

Mostly cloudy with a 50 percent chance of rain. Highs in the 40s. Lows in the lower to mid 30s.

Mostly cloudy with a 50 percent chance of rain. Highs in the 40s. Lows in the lower to mid 30s.

Mostly cloudy with a 50 percent chance of rain. Highs in the 40s. Lows in the lower to mid 30s.

Partly cloudy. A 20 percent chance of rain. Lows in the lower 30s. Highs in the lower to mid 40s.

Partly cloudy. A 20 percent chance of rain. Lows in the lower 30s. Highs in the lower to mid 40s.

Mostly cloudy with a 20 percent chance of rain or snow. Lows around 30.

Partly sunny with a chance of rain or snow. Highs in the upper 30s to lower 40s. Chance of precipitation 40 percent.

Cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 31F. Dew point will be around 29F with an average humidity of 85%. Winds will be 6 mph from the SW.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 36F. Dew point will be around 31F with an average humidity of 83%. Winds will be 6 mph from the SW.

Cloudy. Low temperature around 29F. Dew point will be around 28F with an average humidity of 84%. Winds will be 9 mph from the SW.

Cloudy. High temperature around 37F. Dew point will be around 30F with an average humidity of 81%. Winds will be 7 mph from the SW.

Mostly clear. Low temperature around 32F. Dew point will be around 27F with an average humidity of 78%. Winds will be 8 mph from the S.