Tri-Cities (WA)
10 day weather forecast for Tri-Cities
Monday, September 21st, 2026, at 10:31 PM
today
31° 19°
tomorrow
27° 17°
Wednesday
25° 14°
Thursday
25° 15°
Friday
20° 13°
Saturday
20° 10°
Sunday
18° 12°
Seemore
Tri-Cities Weather Pages
Tri-Cities weather forecast
The weather forecast for Tri-Cities over the next 2 days indicates hot conditions with temperatures ranging from 27 °F to 31 °F.
Light rain is expected on Friday, accompanied by a gentle breeze.
On Wednesday, expect a change in weather with temperatures reaching 25°C.
Tri-Cities 14 days weather forecast
This weeks weather in Tri-Cities. Click on a date for detailed forecasts
Mon. 21
31°
19°
0 mm
Tue. 22
27°
17°
0 mm
Wed. 23
25°
14°
0 mm
Thu. 24
25°
15°
0 mm
Fri. 25
20°
13°
1 mm
Sat. 26
20°
10°
0 mm
Sun. 27
18°
12°
0 mm
Mon. 28
20°
11°
0 mm
Tue. 29
20°
11°
0.1 mm
Wed. 30
19°
9°
0 mm
Thu. 1
21°
8°
0 mm
Fri. 2
23°
13°
0 mm
Sat. 3
23°
12°
0 mm
Sun. 4
26°
13°
0 mm
Further Ahead
You can click on date
Access Tri-Cities weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Tri-Cities long range weather forecast
30 day weather forecast for Tri-Cities
Important Notice
Our Tri-Cities long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.
Rain Forecast for the Next 14 Days in Tri-Cities
The chart displays the expected rainfall values (in mm) over the next 14 days in Tri-Cities, highlighting variations in precipitation levels for specific dates. ☔
Tri-Cities Wind Speed Forecast Chart
This chart illustrates the projected daily max wind speed (in km) in Tri-Cities over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀
Frequently asked questions about the weather in Tri-Cities
How warm is it in Tri-Cities over the next 14 days?
Over the next two weeks, temperatures in Tri-Cities are expected to range from around 8 °F on the coldest nights up to about 31 °F on the warmest days. Use this range to plan what to pack and wear.
Will it rain in Tri-Cities in the next two weeks?
Yes - rain is expected on about 3 of the next 14 days in Tri-Cities, with roughly 1.1 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.
How windy is it in Tri-Cities?
Maximum wind speeds in Tri-Cities are forecast to reach about 39 km/h at their peak over the next 14 days.
When is the best time to visit Tri-Cities?
For a month-by-month look at temperatures and rainfall, see our best time to visit Tri-Cities guide.
How accurate is the 14-day forecast for Tri-Cities?
Our Tri-Cities forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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Where is Tri-Cities?Get accurate weather forecasts for Tri-Cities, located at latitude 46.245 and longitude -119.196. Stay updated with localized weather information tailored for Tri-Cities.
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