10-day forecast for Rainier Valley, WA: 52° to 86°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
86°
Best day: Saturday, August 15
62° · 0.37 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1080° / 52°0
Morning56°feels 55°
Afternoon76°feels 75°
Evening72°feels 71°
Overnight54°feels 53°
80 °
Rainier Valley, Monday, 10 August
Partly cloudy. High 80°, low 52°.
Pressure30.09 inHg
Wind4.4 mph SW
Humidity44%
Visibility6.2 mi
Dew point50°
Tue, 1184° / 55°0
Morning61°feels 60°
Afternoon83°feels 81°
Evening70°feels 69°
Overnight59°feels 58°
84 °
Rainier Valley, Tuesday, 11 August
Clear. High 84°, low 55°.
Pressure30.09 inHg
Wind1.3 mph N
Humidity36%
Visibility6.2 mi
Dew point49°
Wed, 1282° / 57°0
Morning62°feels 61°
Afternoon82°feels 81°
Evening72°feels 71°
Overnight59°feels 58°
82 °
Rainier Valley, Wednesday, 12 August
Clear. High 82°, low 57°.
Pressure30.00 inHg
Wind2.1 mph W
Humidity38%
Visibility6.2 mi
Dew point51°
Thu, 1383° / 57°0
Morning68°feels 67°
Afternoon82°feels 80°
Evening72°feels 71°
Overnight60°feels 59°
83 °
Rainier Valley, Thursday, 13 August
Clear. High 83°, low 57°.
Pressure29.85 inHg
Wind9.1 mph N
Humidity31%
Visibility—
Dew point47°
Fri, 1485° / 58°0
Morning69°feels 68°
Afternoon83°feels 81°
Evening71°feels 71°
Overnight65°feels 64°
85 °
Rainier Valley, Friday, 14 August
Overcast. High 85°, low 58°.
Pressure29.91 inHg
Wind6.6 mph N
Humidity33%
Visibility—
Dew point50°
Sat, 1586° / 58°0
Morning68°feels 67°
Afternoon81°feels 80°
Evening70°feels 70°
Overnight64°feels 63°
86 °
Rainier Valley, Saturday, 15 August
Overcast. High 86°, low 58°.
Pressure29.94 inHg
Wind5.7 mph W
Humidity31%
Visibility—
Dew point47°
Sun, 1683° / 58°0
Morning67°feels 66°
Afternoon80°feels 79°
Evening70°feels 69°
Overnight64°feels 63°
83 °
Rainier Valley, Sunday, 16 August
Overcast. High 83°, low 58°.
Pressure29.94 inHg
Wind8.1 mph W
Humidity27%
Visibility—
Dew point42°
Mon, 1762° / 58°0.37
Morning59°feels 59°
Afternoon59°feels 59°
Evening58°feels 58°
Overnight58°feels 58°
62 °
Rainier Valley, Monday, 17 August
Light rain. High 62°, low 58°.
Pressure30.00 inHg
Wind7.7 mph S
Humidity94%
Visibility—
Dew point58°
Tue, 1877° / 57°0
Morning64°feels 64°
Afternoon76°feels 75°
Evening67°feels 66°
Overnight64°feels 63°
77 °
Rainier Valley, Tuesday, 18 August
Partly cloudy. High 77°, low 57°.
Pressure29.97 inHg
Wind6 mph N
Humidity40%
Visibility—
Dew point49°
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 Rainier Valley, WA 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.