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Tri-Cities (WA)
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United States weather

10 day weather forecast for Tri-Cities

Tuesday, November 10th, 2026, at 05:31 PM
Today
Patchy rain possible
14° 8°
Tomorrow
Overcast
14° 7°
Thursday
Overcast
13° 6°
Friday
Overcast
17° 6°
Saturday
Partly cloudy
16° 8°
Sunday
Patchy rain possible
15° 7°
Monday
Partly cloudy
10° 5°
 More Details See
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Tri-Cities Weather Pages

Tri-Cities weather forecast

The weather forecast for Tri-Cities over the next 5 days indicates damp and chilly conditions with temperatures ranging from 13 °C to 17 °C.

Light rain is expected on today and Friday, accompanied by a gentle breeze.

Weather today

Tri-Cities 14 days weather forecast

This weeks weather in Tri-Cities. Click on a date for detailed forecasts
Tue. 10
14°
8°
Patchy rain possible
2.4 mm
Wed. 11
14°
7°
Overcast
0 mm
Thu. 12
13°
6°
Overcast
0 mm
Fri. 13
17°
6°
Overcast
0.8 mm
Sat. 14
16°
8°
Partly cloudy
0 mm
Sun. 15
15°
7°
Patchy rain possible
1.2 mm
Mon. 16
10°
5°
Partly cloudy
0.3 mm
Tue. 17
8°
3°
Sunny
0 mm
Wed. 18
6°
2°
Patchy rain possible
1.5 mm
Thu. 19
6°
2°
Partly cloudy
0 mm
Fri. 20
5°
1°
Partly cloudy
0 mm
Sat. 21
5°
0°
Partly cloudy
0 mm
Sun. 22
4°
0°
Cloudy
0 mm
Mon. 23
4°
0°
Overcast
0 mm
Further Ahead
Select a date

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Access Tri-Cities weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Tri-Cities long range weather forecast

30 day weather forecast for Tri-Cities
October
December
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Cloudy
15°
2
Light rain
13°
3
Mist
13°
4
Light rain
13°
5
Patchy rain possible
15°
6
Light rain
14°
7
Thundery outbreaks possible
14°
8
Mist
12°
9
Mist
11°
10
Patchy rain possible
14°
11
Overcast
14°
12
Overcast
13°
13
Overcast
17°
14
Partly cloudy
16°
15
Patchy rain possible
15°
16
Partly cloudy
10°
17
Sunny
8°
18
Patchy rain possible
6°
19
Partly cloudy
6°
20
Partly cloudy
5°
21
Partly cloudy
5°
22
Cloudy
4°
23
Overcast
4°
24
Partly cloudy
7°
25
Patchy rain possible
5°
26
Moderate rain
5°
27
Patchy rain possible
5°
28
Patchy rain possible
5°
29
Mist
3°
30
Light freezing rain
1°
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

A total of 6.2 mm is expected over 3 rainy days. The wettest day is today, with 2.4 mm. Click a day for details.
Tue. 10
2.4
2.4 mm
78%
Wed. 11
0 mm
28%
Thu. 12
0 mm
25%
Fri. 13
0.8
0.8 mm
52%
Sat. 14
0 mm
9%
Sun. 15
1.2
1.2 mm
57%
Mon. 16
0.3
0.3 mm
36%
Tue. 17
0 mm
10%
Wed. 18
1.5
1.5 mm
63%
Thu. 19
0 mm
14%
Fri. 20
0 mm
15%
Sat. 21
0 mm
16%
Sun. 22
0 mm
22%
Mon. 23
0 mm
20%

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 0 °C on the coldest nights up to about 17 °C 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 6.2 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 15.1 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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Location coordinates 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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