Weather in Tri-Cities, Washington, United States

7-Day Detailed Weather Forecast for Tri-Cities

This Afternoon

Temperature: 53°F

Wind Speed: 6 mph

Wind Direction: SE

Forecast: Mostly cloudy. High near 53, with temperatures falling to around 51 in the afternoon. Southeast wind around 6 mph.

Tonight

Temperature: 44°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: Rain likely after 1am. Mostly cloudy. Low around 44, with temperatures rising to around 46 overnight. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Monday

Temperature: 64°F

Wind Speed: 5 to 15 mph

Wind Direction: S

Forecast: Rain likely. Mostly cloudy. High near 64, with temperatures falling to around 61 in the afternoon. South wind 5 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Monday Night

Temperature: 46°F

Wind Speed: 8 to 15 mph

Wind Direction: SW

Forecast: A slight chance of rain. Mostly cloudy, with a low around 46. Southwest wind 8 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Tuesday

Temperature: 60°F

Wind Speed: 8 to 15 mph

Wind Direction: SW

Forecast: A chance of rain. Partly sunny, with a high near 60. Southwest wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

Tuesday Night

Temperature: 46°F

Wind Speed: 15 to 25 mph

Wind Direction: SW

Forecast: Rain. Mostly cloudy, with a low around 46. Chance of precipitation is 80%.

Wednesday

Temperature: 54°F

Wind Speed: 13 to 25 mph

Wind Direction: SW

Forecast: A chance of rain before 10am. Sunny, with a high near 54. Chance of precipitation is 40%.

Wednesday Night

Temperature: 40°F

Wind Speed: 6 to 13 mph

Wind Direction: SW

Forecast: Rain likely after 10pm. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

Thursday

Temperature: 49°F

Wind Speed: 6 to 10 mph

Wind Direction: S

Forecast: Rain. Mostly cloudy, with a high near 49.

Thursday Night

Temperature: 41°F

Wind Speed: 13 mph

Wind Direction: SW

Forecast: Rain likely. Mostly cloudy, with a low around 41.

Friday

Temperature: 50°F

Wind Speed: 12 mph

Wind Direction: SW

Forecast: A chance of rain. Partly sunny, with a high near 50.

Friday Night

Temperature: 36°F

Wind Speed: 12 mph

Wind Direction: SW

Forecast: A slight chance of rain before 1am, then a slight chance of rain and snow. Partly cloudy, with a low around 36.

Saturday

Temperature: 48°F

Wind Speed: 8 to 12 mph

Wind Direction: SW

Forecast: A slight chance of rain and snow. Mostly sunny, with a high near 48.

Saturday Night

Temperature: 35°F

Wind Speed: 7 to 10 mph

Wind Direction: SW

Forecast: A slight chance of rain. Partly cloudy, with a low around 35.