Tri, WA 14 Day Weather

314 N Underwood St, Kennewick, WA 99336 (509)783-6014 Golf Course Type: Semi-Private  Holes: 18
Feedback E-mail the Weather

Quick Weather Clicks

Tri, WA Weather - 14-Day Weather Forecast

Current Conditions

Settings
Tri WA Weather - Clear - 56°F
Clear
56°F
Updated 12:03 am
Feels Like 56°F
Humidity 69%
Wind N 0 mph
Barometer  29.82 in
Dew Point 46°F
Tri WA Weather - Clear - 13°C
Clear
13°C
Updated 12:03 am
Feels Like 14°C
Humidity 69%
Wind N 0 km/h
Barometer  100.9 kPa
Dew Point 8°C
Tri, WA Weather and Current Conditionstri wa weather forecast

Tri, WA Weather Forecast

Tri Washington WeatherTri, Washington Weather Weather Forecast
14 day API Tri weather forecast. Note. Our 7-day Tri weather forecast is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Tri, WA Weather Forecast Dated: 1203 AM Fri Sep 04 2026
Expect a mild stretch with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.

Friday, September 4, 2026

Mid-Morning
Tri Weather - 2026-09-04 - Morning - Nearby Thunderstorms
61°F 16°C
Nearby Thunderstorms
Mid-Afternoon
Tri Weather - 2026-09-04 - Afternoon - Nearby Thunderstorms
74°F 23°C
Nearby Thunderstorms
Early-Evening
Tri Weather - 2026-09-04 - Evening - Sunny
70°F 21°C
Sunny
Pleasant near 74°F 23°C, periods of heavy thunderstorms, with lower humidity and steady pressure.

Saturday, September 5, 2026

Mid-Morning
Tri Weather - 2026-09-05 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
Tri Weather - 2026-09-05 - Afternoon - Scattered Showers
69°F 20°C
Scattered Showers
Early-Evening
Tri Weather - 2026-09-05 - Evening - Partly Cloudy
65°F 18°C
Partly Cloudy
Comfortable with temperatures reaching 69°F 20°C, scattered downpours possible, with steady humidity and steady pressure.

Sunday, September 6, 2026

Mid-Morning
Tri Weather - 2026-09-06 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
Tri Weather - 2026-09-06 - Afternoon - Overcast
78°F 26°C
Overcast
Early-Evening
Tri Weather - 2026-09-06 - Evening - Overcast
73°F 23°C
Overcast
Enjoyable around 78°F 26°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds turning from the N to the SW at 7 mph 12 km/h.

Monday, September 7, 2026

Mid-Morning
Tri Weather - 2026-09-07 - Morning - Overcast
68°F 20°C
Overcast
Mid-Afternoon
Tri Weather - 2026-09-07 - Afternoon - Sunny
83°F 29°C
Sunny
Early-Evening
Tri Weather - 2026-09-07 - Evening - Sunny
77°F 25°C
Sunny
Warm temperatures up to 83°F 29°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the SW to the SSW at 11 mph 17 km/h. Gusts up to 20 mph 32 km/h.

Tuesday, September 8, 2026

Mid-Morning
Tri Weather - 2026-09-08 - Morning - Overcast
65°F 18°C
Overcast
Mid-Afternoon
Tri Weather - 2026-09-08 - Afternoon - Overcast
83°F 28°C
Overcast
Early-Evening
Tri Weather - 2026-09-08 - Evening - Cloudy
77°F 25°C
Cloudy
Very warm with a high of 83°F 28°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds moving from the NNE to the ESE at 7 mph 12 km/h.

Wednesday, September 9, 2026

Mid-Morning
Tri Weather - 2026-09-09 - Morning - Overcast
69°F 21°C
Overcast
Mid-Afternoon
Tri Weather - 2026-09-09 - Afternoon - Sunny
86°F 30°C
Sunny
Early-Evening
Tri Weather - 2026-09-09 - Evening - Sunny
80°F 27°C
Sunny
Warm and summery near 86°F 30°C, cloudy through the afternoon, turning sunny this evening, with steady humidity and barometric pressure falling.

Thursday, September 10, 2026

Mid-Morning
Tri Weather - 2026-09-10 - Morning - Overcast
70°F 21°C
Overcast
Mid-Afternoon
Tri Weather - 2026-09-10 - Afternoon - Cloudy
80°F 27°C
Cloudy
Early-Evening
Tri Weather - 2026-09-10 - Evening - Overcast
77°F 25°C
Overcast
Balmy with temperatures reaching 80°F 27°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds picking up from SSW at 5 mph 9 km/h to SSE at 13 mph 20 km/h. Gusts up to 23 mph 37 km/h.

Friday, September 11, 2026

Mid-Morning
Tri Weather - 2026-09-11 - Morning - Overcast
68°F 20°C
Overcast
Mid-Afternoon
Tri Weather - 2026-09-11 - Afternoon - Overcast
72°F 22°C
Overcast
Early-Evening
Tri Weather - 2026-09-11 - Evening - Sunny
71°F 22°C
Sunny
Enjoyable around 72°F 22°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds shifting from the SSW to the SW at 16 mph 26 km/h. Gusts up to 25 mph 40 km/h.

Saturday, September 12, 2026

Mid-Morning
Tri Weather - 2026-09-12 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
Tri Weather - 2026-09-12 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Tri Weather - 2026-09-12 - Evening - Sunny
66°F 19°C
Sunny
Mild temperatures up to 72°F 22°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds turning from the SW to the W at 16 mph 26 km/h. Gusts up to 26 mph 41 km/h.

Sunday, September 13, 2026

Mid-Morning
Tri Weather - 2026-09-13 - Morning - Overcast
57°F 14°C
Overcast
Mid-Afternoon
Tri Weather - 2026-09-13 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Tri Weather - 2026-09-13 - Evening - Sunny
68°F 20°C
Sunny
Mild with a high of 72°F 22°C, partly cloudy in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the SW to the SSW at 11 mph 18 km/h. Gusts up to 20 mph 32 km/h.

Monday, September 14, 2026

Mid-Morning
Tri Weather - 2026-09-14 - Morning - Partly Cloudy
61°F 16°C
Partly Cloudy
Mid-Afternoon
Tri Weather - 2026-09-14 - Afternoon - Sunny
77°F 25°C
Sunny
Early-Evening
Tri Weather - 2026-09-14 - Evening - Sunny
72°F 22°C
Sunny
Pleasant near 77°F 25°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds moving from the SSW to the S at 5 mph 9 km/h.

Tuesday, September 15, 2026

Mid-Morning
Tri Weather - 2026-09-15 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Tri Weather - 2026-09-15 - Afternoon - Overcast
80°F 27°C
Overcast
Early-Evening
Tri Weather - 2026-09-15 - Evening - Overcast
73°F 23°C
Overcast
Balmy with temperatures reaching 80°F 27°C, overcast throughout the day, with steady humidity and steady pressure.

Wednesday, September 16, 2026

Mid-Morning
Tri Weather - 2026-09-16 - Morning - Overcast
62°F 17°C
Overcast
Mid-Afternoon
Tri Weather - 2026-09-16 - Afternoon - Partly Cloudy
77°F 25°C
Partly Cloudy
Early-Evening
Tri Weather - 2026-09-16 - Evening - Sunny
73°F 23°C
Sunny
Enjoyable around 77°F 25°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling.

Thursday, September 17, 2026

Mid-Morning
Tri Weather - 2026-09-17 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Tri Weather - 2026-09-17 - Afternoon - Sunny
83°F 28°C
Sunny
Early-Evening
Tri Weather - 2026-09-17 - Evening - Sunny
77°F 25°C
Sunny
Warm temperatures up to 83°F 28°C, sunny throughout the day, with steady humidity and barometric pressure falling.

Trending Headlines

Tri, WA Weather Radar Map

Use the map search tool if you want to place a location marker on the radar map...

Tri, WA 7 Day Weather

National Two Day Weather Forecast


E-mail the Tri Weather Forecast

Voice your opinion or tell us about page issues...

Weather by the Numbers

Fri, 4th
Tri WA Weather - Friday, Sep 4, 2026 - Partly Cloudy
Hi: 75°F 24°C
Lo: 56°F 13°C
Sunrise 06:21 AM
Sunset 07:29 PM
Wind E 4 mph6 km/h
Dew Point 37°F3°C
uv Index 3
Barometric Pressure 29.91 in1013 mb
POP 4% *
Humidity 30%
Sat, 5th
Tri WA Weather - Saturday, Sep 5, 2026 - Light Drizzle
Hi: 70°F 21°C
Lo: 55°F 13°C
Sunrise 06:22 AM
Sunset 07:27 PM
Wind S 14 mph22 km/h
Dew Point 46°F8°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 42% *
Humidity 58%
Sun, 6th
Tri WA Weather - Sunday, Sep 6, 2026 - Overcast
Hi: 79°F 26°C
Lo: 55°F 13°C
Sunrise 06:23 AM
Sunset 07:25 PM
Wind N 11 mph18 km/h
Dew Point 43°F6°C
uv Index 4
Barometric Pressure 29.94 in1014 mb
POP 10% *
Humidity 34%
Mon, 7th
Tri WA Weather - Monday, Sep 7, 2026 - Sunny
Hi: 84°F 29°C
Lo: 62°F 17°C
Sunrise 06:25 AM
Sunset 07:24 PM
Wind WSW 9 mph14 km/h
Dew Point 40°F4°C
uv Index 7
Barometric Pressure 29.88 in1012 mb
POP 1% *
Humidity 25%
Tue, 8th
Tri WA Weather - Tuesday, Sep 8, 2026 - Overcast
Hi: 83°F 29°C
Lo: 60°F 16°C
Sunrise 06:26 AM
Sunset 07:22 PM
Wind NNE 7 mph12 km/h
Dew Point 36°F2°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 9% *
Humidity 24%
Wed, 9th
Tri WA Weather - Wednesday, Sep 9, 2026 - Overcast
Hi: 87°F 31°C
Lo: 64°F 18°C
Sunrise 06:27 AM
Sunset 07:20 PM
Wind WSW 4 mph6 km/h
Dew Point 36°F2°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 9% *
Humidity 21%
Thu, 10th
Tri WA Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 83°F 28°C
Lo: 66°F 19°C
Sunrise 06:28 AM
Sunset 07:18 PM
Wind SSW 11 mph17 km/h
Dew Point 45°F7°C
uv Index 5
Barometric Pressure 29.77 in1008 mb
POP 9% *
Humidity 33%
Fri, 11th
Tri WA Weather - Friday, Sep 11, 2026 - Overcast
Hi: 74°F 23°C
Lo: 65°F 18°C
Sunrise 06:30 AM
Sunset 07:16 PM
Wind SW 11 mph17 km/h
Dew Point 50°F10°C
uv Index 5
Barometric Pressure 29.62 in1003 mb
POP 12% *
Humidity 52%
Sat, 12th
Tri WA Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 72°F 22°C
Lo: 56°F 13°C
Sunrise 06:31 AM
Sunset 07:14 PM
Wind SW 18 mph29 km/h
Dew Point 34°F1°C
uv Index 5
Barometric Pressure 29.88 in1012 mb
POP 9% *
Humidity 27%
Sun, 13th
Tri WA Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 73°F 23°C
Lo: 54°F 12°C
Sunrise 06:32 AM
Sunset 07:12 PM
Wind SW 11 mph18 km/h
Dew Point 36°F2°C
uv Index 4
Barometric Pressure 30.06 in1018 mb
POP 9% *
Humidity 31%
Mon, 14th
Tri WA Weather - Monday, Sep 14, 2026 - Sunny
Hi: 78°F 25°C
Lo: 55°F 13°C
Sunrise 06:33 AM
Sunset 07:10 PM
Wind SW 9 mph15 km/h
Dew Point 35°F2°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 2% *
Humidity 27%
Tue, 15th
Tri WA Weather - Tuesday, Sep 15, 2026 - Overcast
Hi: 80°F 27°C
Lo: 61°F 16°C
Sunrise 06:35 AM
Sunset 07:08 PM
Wind NNW 6 mph9 km/h
Dew Point 30°F-1°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 9% *
Humidity 19%
Wed, 16th
Tri WA Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 80°F 27°C
Lo: 59°F 15°C
Sunrise 06:36 AM
Sunset 07:06 PM
Wind SE 2 mph4 km/h
Dew Point 46°F8°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 10% *
Humidity 43%
Thu, 17th
Tri WA Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 84°F 29°C
Lo: 62°F 16°C
Sunrise 06:37 AM
Sunset 07:04 PM
Wind WSW 8 mph13 km/h
Dew Point 38°F3°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 24%
* POP = Probability of Precipitation. Data for 12:00 PM.