10-day forecast for Keystone, WA: 32° to 58°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
58°
Best day: Monday, November 2
50° · 0.07 in
Worst day: Wednesday, October 28
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 2558° / 40°0
Morning41°feels 36°
Afternoon58°feels 55°
Evening49°feels 46°
Overnight41°feels 36°
58 °
Keystone, Sunday, 25 October
Overcast. High 58°, low 40°.
Pressure30.00 inHg
Wind8.1 mph E
Humidity45%
Visibility6.2 mi
Dew point36°
Mon, 2653° / 41°0.04
Morning41°feels 38°
Afternoon52°feels 50°
Evening45°feels 41°
Overnight47°feels 42°
53 °
Keystone, Monday, 26 October
Light rain. High 53°, low 41°.
Pressure30.00 inHg
Wind7.2 mph S
Humidity69%
Visibility6.2 mi
Dew point39°
Tue, 2752° / 38°0.06
Morning39°feels 34°
Afternoon52°feels 50°
Evening44°feels 40°
Overnight40°feels 36°
52 °
Keystone, Tuesday, 27 October
Light rain. High 52°, low 38°.
Pressure30.00 inHg
Wind10.4 mph SW
Humidity66%
Visibility6.2 mi
Dew point40°
Wed, 2850° / 38°0.07
Morning39°feels 32°
Afternoon46°feels 40°
Evening46°feels 42°
Overnight38°feels 31°
50 °
Keystone, Wednesday, 28 October
Snow. High 50°, low 38°.
Pressure30.00 inHg
Wind13.6 mph SW
Humidity73%
Visibility—
Dew point36°
Thu, 2950° / 34°0
Morning37°feels 33°
Afternoon45°feels 42°
Evening47°feels 44°
Overnight38°feels 33°
50 °
Keystone, Thursday, 29 October
Overcast. High 50°, low 34°.
Pressure29.97 inHg
Wind6.9 mph NE
Humidity76%
Visibility—
Dew point36°
Fri, 3046° / 37°0
Morning39°feels 34°
Afternoon43°feels 39°
Evening44°feels 40°
Overnight38°feels 34°
46 °
Keystone, Friday, 30 October
Overcast. High 46°, low 37°.
Pressure29.97 inHg
Wind9.5 mph SW
Humidity58%
Visibility—
Dew point28°
Sat, 3145° / 32°0
Morning35°feels 29°
Afternoon42°feels 36°
Evening43°feels 39°
Overnight37°feels 34°
45 °
Keystone, Saturday, 31 October
Clear. High 45°, low 32°.
Pressure30.15 inHg
Wind9.8 mph SW
Humidity63%
Visibility—
Dew point29°
Sun, 0147° / 38°0
Morning40°feels 36°
Afternoon45°feels 41°
Evening46°feels 43°
Overnight41°feels 36°
47 °
Keystone, Sunday, 1 November
Overcast. High 47°, low 38°.
Pressure30.42 inHg
Wind9.3 mph NE
Humidity44%
Visibility—
Dew point23°
Mon, 0258° / 40°0
Morning44°feels 39°
Afternoon52°feels 49°
Evening54°feels 51°
Overnight46°feels 44°
58 °
Keystone, Monday, 2 November
Clear. High 58°, low 40°.
Pressure30.36 inHg
Wind9.6 mph NE
Humidity51%
Visibility—
Dew point32°
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.