10-day forecast for Tri-City, OR: 51° to 93°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
93°
Best day: Sunday, August 9
80° · 0.06 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1091° / 53°0
Morning61°feels 60°
Afternoon89°feels 85°
Evening79°feels 78°
Overnight59°feels 59°
91 °
Tri-City, Monday, 10 August
Clear. High 91°, low 53°.
Pressure30.03 inHg
Wind5.3 mph N
Humidity32%
Visibility6.2 mi
Dew point45°
Tue, 1189° / 51°0
Morning59°feels 59°
Afternoon87°feels 84°
Evening74°feels 74°
Overnight55°feels 54°
89 °
Tri-City, Tuesday, 11 August
Clear. High 89°, low 51°.
Pressure30.03 inHg
Wind5.3 mph N
Humidity35%
Visibility6.2 mi
Dew point47°
Wed, 1287° / 54°0
Morning60°feels 59°
Afternoon85°feels 83°
Evening71°feels 70°
Overnight56°feels 56°
87 °
Tri-City, Wednesday, 12 August
Clear. High 87°, low 54°.
Pressure29.94 inHg
Wind5.3 mph N
Humidity45%
Visibility6.2 mi
Dew point53°
Thu, 1388° / 51°0
Morning65°feels 64°
Afternoon83°feels 81°
Evening70°feels 70°
Overnight53°feels 53°
88 °
Tri-City, Thursday, 13 August
Clear. High 88°, low 51°.
Pressure29.83 inHg
Wind9.2 mph N
Humidity28%
Visibility—
Dew point45°
Fri, 1489° / 53°0
Morning67°feels 66°
Afternoon85°feels 83°
Evening71°feels 71°
Overnight59°feels 59°
89 °
Tri-City, Friday, 14 August
Clear. High 89°, low 53°.
Pressure29.91 inHg
Wind9 mph NW
Humidity27%
Visibility—
Dew point46°
Sat, 1589° / 54°0
Morning69°feels 68°
Afternoon86°feels 84°
Evening70°feels 69°
Overnight59°feels 58°
89 °
Tri-City, Saturday, 15 August
Overcast. High 89°, low 54°.
Pressure29.94 inHg
Wind11 mph NW
Humidity27%
Visibility—
Dew point47°
Sun, 1683° / 52°0
Morning63°feels 62°
Afternoon69°feels 68°
Evening65°feels 65°
Overnight61°feels 60°
83 °
Tri-City, Sunday, 16 August
Overcast. High 83°, low 52°.
Pressure30.00 inHg
Wind3.5 mph NW
Humidity51%
Visibility—
Dew point49°
Mon, 1780° / 57°0.06
Morning65°feels 65°
Afternoon77°feels 77°
Evening64°feels 63°
Overnight60°feels 60°
80 °
Tri-City, Monday, 17 August
Light rain. High 80°, low 57°.
Pressure30.00 inHg
Wind5.4 mph N
Humidity33%
Visibility—
Dew point46°
Tue, 1879° / 58°0
Morning66°feels 65°
Afternoon77°feels 76°
Evening67°feels 66°
Overnight62°feels 62°
79 °
Tri-City, Tuesday, 18 August
Overcast. High 79°, low 58°.
Pressure29.97 inHg
Wind4.2 mph NW
Humidity37%
Visibility—
Dew point48°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Tri-City, OR around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.