New York, NY 66° Los Angeles, CA 74° 🌤️ Chicago, IL 🌤️ Houston, TX 🌤️ Miami, FL Phoenix, AZ 106° Seattle, WA 73° 🌤️ Denver, CO Toronto, ON 66° 🌤️ Vancouver, BC
WeatherLive › Washington › Tri-Cities

Tri-Cities, WA Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherTri-Cities · 9:25 PM PDT
100° | 58°
82°F
Feels like 79°
Mostly cloudy
WindSE 4 mph · Gusts 4 mph
Precip2% · –
Humidity26% · Dew point 44°
UV index7 High
Air Quality48 Good
Pressure29.80 inHg
Visibility6 mi
Sunrise / Sunset6:02 AM · 7:58 PM · 13h 56m

Weather map — Tri-Cities

Full radar →
Now
82°
9%
4 mph
22:00
80°
9%
3 mph
23:00
79°
9%
3 mph
00:00
74°
10%
4 mph
01:00
73°
10%
2 mph
02:00
72°
9%
1 mph
03:00
70°
9%
3 mph
04:00
70°
9%
3 mph
05:00
68°
10%
3 mph
06:00
68°
10%
4 mph
07:00
70°
9%
4 mph
08:00
74°
10%
5 mph
09:00
78°
9%
9 mph
10:00
86°
9%
5 mph
11:00
91°
9%
7 mph
12:00
96°
9%
10 mph
13:00
99°
9%
11 mph
14:00
101°
9%
11 mph
15:00
100°
9%
12 mph
16:00
99°
9%
13 mph
17:00
99°
9%
9 mph
18:00
97°
9%
7 mph
19:00
95°
8%
6 mph
20:00
90°
9%
5 mph

Today · Thu 8/20

High 100°
2% / –

Sunny. Winds S at 4 mph.

Tonight · Thu 8/20

Low 68°
9% / –

Mostly cloudy. Winds SE at 3 mph.

Tomorrow · Fri 8/21

101° | 68°
9% / –

Mostly cloudy. Winds W at 13 mph.

7-day trend

Tri-Cities · temperature + precipitation

10-day forecast

Updated 9:25 PM

Details & indices

Wind
4 mph SE
Gusts 4 mph
Humidity
26%
Dew point 44°
Pressure
29.80 inHg
Falling
UV index
7 — High
High today
Air Quality
Good
AQI 48 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Tri-Cities

🌿 Conditions right now

View all →
Birch
None
Grass
High
Oak
None
Alder
None
Hazel
None
Mugwort
Very high
Ragweed
Low

Sun & moon

Sunrise6:02 AM
Sunset7:58 PM
Length of day13h 56m
Moonrise3:23 PM
Moonset11:21 PM
Moon phase🌓 First Quarter · 60%
Next full moonAug 27 Sturgeon Moon
Latitude46.2454°N
Longitude-119.1962°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
1991-2020 climate normals — Tri-Cities

Monthly normals

Full climate page →
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max (°F) 44° 46° 57° 68° 80° 88° 98° 96° 85° 67° 50° 43°
Min (°F) 31° 30° 36° 44° 54° 61° 67° 66° 57° 46° 36° 32°
Precip (in) 1.5 1.1 0.9 0.9 0.7 0.3 0.0 0.2 0.3 0.8 1.8 1.7
Warmest: Jul · ⌀ 98°F Coldest: Dec · ⌀ 32°F Wettest: Nov · 1.8 in
Nearby places in {{REGION}}
Seattle
Sunny
73°
Spokane
Sunny
81° 🌤️
Tacoma
—
— 🌤️
Vancouver
—
—
Data sources · Thursday, August 20
Where the Tri-Cities forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 46.2454°N, -119.1962°.
NBM + global weather models
Updated: 9:25 PM
Weather in Tri-Cities
Tri-Cities's outlook: warmest day near 101° (Friday), coldest night about 58° (Thursday). Essentially no rain is in the forecast — expect a dry stretch. Wind is the one to watch: gusts to 34 mph around Wednesday. Heads up: a Air Quality Alert is in effect — check the alerts tab before making plans. Right now Tri-Cities is running about 21° warmer than Bend. Longer view: marine climate — mild, showery winters and dry, gentle summers.
Tri-Cities, WA · Elev 348 ft · 46.25°N, 119.20°W · Washington · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 9:25 PM