10-day forecast for Keystone, WA: 34° to 73°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Friday, October 16
51°
Worst day: Saturday, October 24
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1673° / 40°0
Morning43°feels 39°
Afternoon72°feels 70°
Evening52°feels 48°
Overnight41°feels 35°
73 °
Keystone, Friday, 16 October
Partly cloudy. High 73°, low 40°.
Pressure30.33 inHg
Wind4.9 mph SE
Humidity27%
Visibility6.2 mi
Dew point31°
Sat, 1765° / 46°0
Morning50°feels 46°
Afternoon65°feels 63°
Evening54°feels 51°
Overnight47°feels 44°
65 °
Keystone, Saturday, 17 October
Overcast. High 65°, low 46°.
Pressure30.09 inHg
Wind14 mph W
Humidity39%
Visibility6.2 mi
Dew point38°
Sun, 1860° / 38°0
Morning39°feels 39°
Afternoon60°feels 57°
Evening50°feels 49°
Overnight42°feels 42°
60 °
Keystone, Sunday, 18 October
Overcast. High 60°, low 38°.
Pressure30.09 inHg
Wind0.8 mph SE
Humidity36%
Visibility6.2 mi
Dew point25°
Mon, 1961° / 46°0
Morning46°feels 44°
Afternoon61°feels 59°
Evening54°feels 51°
Overnight46°feels 43°
61 °
Keystone, Monday, 19 October
Clear. High 61°, low 46°.
Pressure29.83 inHg
Wind3.4 mph SW
Humidity37%
Visibility6.2 mi
Dew point29°
Tue, 2059° / 43°0
Morning46°feels 45°
Afternoon54°feels 52°
Evening57°feels 55°
Overnight46°feels 45°
59 °
Keystone, Tuesday, 20 October
Clear. High 59°, low 43°.
Pressure29.97 inHg
Wind3.6 mph S
Humidity51%
Visibility—
Dew point34°
Wed, 2161° / 37°0
Morning42°feels 39°
Afternoon56°feels 54°
Evening58°feels 55°
Overnight45°feels 43°
61 °
Keystone, Wednesday, 21 October
Clear. High 61°, low 37°.
Pressure30.06 inHg
Wind5.3 mph NE
Humidity37%
Visibility—
Dew point28°
Thu, 2257° / 44°0
Morning48°feels 44°
Afternoon55°feels 52°
Evening55°feels 51°
Overnight44°feels 37°
57 °
Keystone, Thursday, 22 October
Overcast. High 57°, low 44°.
Pressure29.85 inHg
Wind22.9 mph SW
Humidity38%
Visibility—
Dew point28°
Fri, 2354° / 35°0
Morning40°feels 34°
Afternoon48°feels 43°
Evening51°feels 47°
Overnight39°feels 35°
54 °
Keystone, Friday, 23 October
Clear. High 54°, low 35°.
Pressure30.27 inHg
Wind15.1 mph NW
Humidity43%
Visibility—
Dew point24°
Sat, 2451° / 34°0
Morning38°feels 34°
Afternoon46°feels 44°
Evening48°feels 47°
Overnight40°feels 36°
51 °
Keystone, Saturday, 24 October
Clear. High 51°, low 34°.
Pressure30.50 inHg
Wind6.6 mph N
Humidity39%
Visibility—
Dew point20°
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 Keystone, 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.