10-day forecast for Keystone, WA: 31° to 50°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
50°
Best day: Thursday, October 29
47° · 0.21 in
Worst day: Friday, October 30
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2750° / 45°0.05
Morning46°feels 43°
Afternoon48°feels 44°
Evening47°feels 43°
Overnight46°feels 43°
50 °
Keystone, Tuesday, 27 October
Rain. High 50°, low 45°.
Pressure29.94 inHg
Wind10.2 mph SW
Humidity69%
Visibility6.2 mi
Dew point40°
Wed, 2848° / 37°0.13
Morning39°feels 32°
Afternoon48°feels 43°
Evening39°feels 37°
Overnight40°feels 34°
48 °
Keystone, Wednesday, 28 October
Rain. High 48°, low 37°.
Pressure29.94 inHg
Wind14.3 mph SW
Humidity68%
Visibility6.2 mi
Dew point37°
Thu, 2950° / 33°0
Morning33°feels 28°
Afternoon50°feels 47°
Evening42°feels 37°
Overnight35°feels 31°
50 °
Keystone, Thursday, 29 October
Overcast. High 50°, low 33°.
Pressure30.06 inHg
Wind5.8 mph E
Humidity64%
Visibility6.2 mi
Dew point36°
Fri, 3047° / 35°0.21
Morning37°feels 37°
Afternoon42°feels 38°
Evening44°feels 40°
Overnight39°feels 33°
47 °
Keystone, Friday, 30 October
Rain. High 47°, low 35°.
Pressure29.97 inHg
Wind6.3 mph S
Humidity77%
Visibility6.2 mi
Dew point36°
Sat, 3148° / 31°0
Morning34°feels 28°
Afternoon41°feels 36°
Evening44°feels 42°
Overnight36°feels 35°
48 °
Keystone, Saturday, 31 October
Overcast. High 48°, low 31°.
Pressure30.03 inHg
Wind8.7 mph NE
Humidity81%
Visibility—
Dew point33°
Sun, 0144° / 37°0.02
Morning40°feels 34°
Afternoon42°feels 37°
Evening43°feels 40°
Overnight38°feels 35°
44 °
Keystone, Sunday, 1 November
Light rain. High 44°, low 37°.
Pressure30.09 inHg
Wind9.7 mph SW
Humidity74%
Visibility—
Dew point33°
Mon, 0247° / 33°0
Morning37°feels 33°
Afternoon43°feels 40°
Evening45°feels 42°
Overnight39°feels 33°
47 °
Keystone, Monday, 2 November
Clear. High 47°, low 33°.
Pressure30.27 inHg
Wind9.6 mph NE
Humidity59%
Visibility—
Dew point28°
Tue, 0347° / 36°0
Morning39°feels 31°
Afternoon43°feels 38°
Evening44°feels 42°
Overnight39°feels 33°
47 °
Keystone, Tuesday, 3 November
Overcast. High 47°, low 36°.
Pressure29.97 inHg
Wind12.6 mph NE
Humidity56%
Visibility—
Dew point27°
Wed, 0442° / 39°0.13
Morning40°feels 39°
Afternoon40°feels 40°
Evening42°feels 40°
Overnight40°feels 37°
42 °
Keystone, Wednesday, 4 November
Light rain. High 42°, low 39°.
Pressure29.83 inHg
Wind6.5 mph SE
Humidity87%
Visibility—
Dew point36°
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.