10-day forecast for Keystone, WA: 37° to 72°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Friday, October 16
58° · 0.16 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1768° / 43°0
Morning49°feels 46°
Afternoon68°feels 66°
Evening52°feels 49°
Overnight44°feels 41°
68 °
Keystone, Saturday, 17 October
Overcast. High 68°, low 43°.
Pressure30.09 inHg
Wind13.3 mph SW
Humidity38%
Visibility6.2 mi
Dew point38°
Sun, 1860° / 38°0
Morning39°feels 39°
Afternoon60°feels 57°
Evening51°feels 48°
Overnight42°feels 39°
60 °
Keystone, Sunday, 18 October
Clear. High 60°, low 38°.
Pressure30.12 inHg
Wind1.5 mph S
Humidity37%
Visibility6.2 mi
Dew point24°
Mon, 1959° / 46°0
Morning48°feels 44°
Afternoon59°feels 56°
Evening54°feels 52°
Overnight46°feels 43°
59 °
Keystone, Monday, 19 October
Overcast. High 59°, low 46°.
Pressure29.83 inHg
Wind3.6 mph SE
Humidity42%
Visibility6.2 mi
Dew point34°
Tue, 2068° / 43°0
Morning48°feels 46°
Afternoon61°feels 59°
Evening65°feels 63°
Overnight48°feels 47°
68 °
Keystone, Tuesday, 20 October
Overcast. High 68°, low 43°.
Pressure29.97 inHg
Wind6.2 mph N
Humidity47%
Visibility—
Dew point37°
Wed, 2167° / 44°0
Morning49°feels 47°
Afternoon60°feels 58°
Evening64°feels 62°
Overnight51°feels 49°
67 °
Keystone, Wednesday, 21 October
Clear. High 67°, low 44°.
Pressure30.00 inHg
Wind5.6 mph NE
Humidity44%
Visibility—
Dew point35°
Thu, 2264° / 45°0.02
Morning50°feels 47°
Afternoon59°feels 56°
Evening59°feels 57°
Overnight49°feels 49°
64 °
Keystone, Thursday, 22 October
Light rain. High 64°, low 45°.
Pressure29.83 inHg
Wind9.9 mph S
Humidity31%
Visibility—
Dew point26°
Fri, 2358° / 48°0.16
Morning49°feels 47°
Afternoon54°feels 51°
Evening57°feels 54°
Overnight49°feels 46°
58 °
Keystone, Friday, 23 October
Light rain. High 58°, low 48°.
Pressure29.97 inHg
Wind9.9 mph SW
Humidity59%
Visibility—
Dew point38°
Sat, 2458° / 44°0
Morning47°feels 44°
Afternoon54°feels 52°
Evening56°feels 53°
Overnight48°feels 45°
58 °
Keystone, Saturday, 24 October
Overcast. High 58°, low 44°.
Pressure30.21 inHg
Wind7.7 mph SE
Humidity61%
Visibility—
Dew point39°
Sun, 2559° / 42°0
Morning46°feels 42°
Afternoon54°feels 51°
Evening56°feels 53°
Overnight47°feels 44°
59 °
Keystone, Sunday, 25 October
Clear. High 59°, low 42°.
Pressure30.09 inHg
Wind10.6 mph E
Humidity49%
Visibility—
Dew point33°
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.