10-day forecast for Santiago, WA: 54° to 73°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Sunday, August 9
60°
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1073° / 54°0
Morning58°feels 57°
Afternoon72°feels 73°
Evening67°feels 67°
Overnight55°feels 55°
73 °
Santiago, Monday, 10 August
Overcast. High 73°, low 54°.
Pressure30.12 inHg
Wind12.4 mph NW
Humidity88%
Visibility2.0 mi
Dew point55°
Tue, 1161° / 56°0
Morning58°feels 57°
Afternoon61°feels 61°
Evening60°feels 60°
Overnight57°feels 57°
61 °
Santiago, Tuesday, 11 August
Overcast. High 61°, low 56°.
Pressure30.15 inHg
Wind12 mph NW
Humidity86%
Visibility1.8 mi
Dew point56°
Wed, 1260° / 57°0
Morning58°feels 58°
Afternoon60°feels 60°
Evening58°feels 58°
Overnight58°feels 58°
60 °
Santiago, Wednesday, 12 August
Overcast. High 60°, low 57°.
Pressure30.03 inHg
Wind7.7 mph W
Humidity87%
Visibility1.9 mi
Dew point55°
Thu, 1361° / 56°0
Morning57°feels 57°
Afternoon60°feels 60°
Evening60°feels 60°
Overnight58°feels 57°
61 °
Santiago, Thursday, 13 August
Overcast. High 61°, low 56°.
Pressure29.91 inHg
Wind9.6 mph NW
Humidity88%
Visibility—
Dew point56°
Fri, 1460° / 58°0
Morning59°feels 59°
Afternoon60°feels 60°
Evening59°feels 58°
Overnight59°feels 58°
60 °
Santiago, Friday, 14 August
Overcast. High 60°, low 58°.
Pressure29.94 inHg
Wind9.1 mph W
Humidity89%
Visibility—
Dew point57°
Sat, 1561° / 58°0
Morning60°feels 59°
Afternoon60°feels 60°
Evening59°feels 59°
Overnight58°feels 58°
61 °
Santiago, Saturday, 15 August
Overcast. High 61°, low 58°.
Pressure30.06 inHg
Wind10.7 mph NW
Humidity86%
Visibility—
Dew point56°
Sun, 1660° / 57°0
Morning59°feels 58°
Afternoon60°feels 60°
Evening58°feels 58°
Overnight58°feels 58°
60 °
Santiago, Sunday, 16 August
Overcast. High 60°, low 57°.
Pressure30.12 inHg
Wind17.1 mph NW
Humidity88%
Visibility—
Dew point56°
Mon, 1760° / 57°0
Morning59°feels 58°
Afternoon60°feels 59°
Evening59°feels 59°
Overnight58°feels 58°
60 °
Santiago, Monday, 17 August
Overcast. High 60°, low 57°.
Pressure30.21 inHg
Wind14.2 mph NW
Humidity86%
Visibility—
Dew point55°
Tue, 1861° / 57°0
Morning59°feels 59°
Afternoon60°feels 60°
Evening60°feels 60°
Overnight59°feels 59°
61 °
Santiago, Tuesday, 18 August
Partly cloudy. High 61°, low 57°.
Pressure30.15 inHg
Wind12.5 mph NW
Humidity86%
Visibility—
Dew point56°
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 Santiago, 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.