10-day forecast for Keystone, CA: 58° to 90°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
90°
Best day: Sunday, October 18
67° · 1.23 in
Worst day: Thursday, October 22
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1890° / 73°0
Morning77°feels 75°
Afternoon90°feels 87°
Evening80°feels 80°
Overnight75°feels 74°
90 °
Keystone, Sunday, 18 October
Clear. High 90°, low 73°.
Pressure29.97 inHg
Wind1.9 mph S
Humidity18%
Visibility6.2 mi
Dew point41°
Mon, 1985° / 64°0
Morning66°feels 66°
Afternoon84°feels 83°
Evening70°feels 71°
Overnight75°feels 75°
85 °
Keystone, Monday, 19 October
Clear. High 85°, low 64°.
Pressure29.88 inHg
Wind2.5 mph S
Humidity37%
Visibility6.2 mi
Dew point56°
Tue, 2078° / 64°0
Morning66°feels 67°
Afternoon77°feels 77°
Evening68°feels 67°
Overnight66°feels 67°
78 °
Keystone, Tuesday, 20 October
Mostly clear. High 78°, low 64°.
Pressure29.85 inHg
Wind1 mph S
Humidity54%
Visibility6.2 mi
Dew point60°
Wed, 2174° / 61°0.21
Morning62°feels 62°
Afternoon74°feels 73°
Evening67°feels 67°
Overnight63°feels 63°
74 °
Keystone, Wednesday, 21 October
Rain. High 74°, low 61°.
Pressure29.91 inHg
Wind2.3 mph S
Humidity53%
Visibility6.2 mi
Dew point55°
Thu, 2267° / 58°1.23
Morning63°feels 63°
Afternoon67°feels 67°
Evening65°feels 65°
Overnight58°feels 59°
67 °
Keystone, Thursday, 22 October
Rain. High 67°, low 58°.
Pressure29.91 inHg
Wind5.5 mph E
Humidity76%
Visibility—
Dew point59°
Fri, 2370° / 58°0
Morning62°feels 62°
Afternoon67°feels 66°
Evening70°feels 69°
Overnight67°feels 66°
70 °
Keystone, Friday, 23 October
Partly cloudy. High 70°, low 58°.
Pressure30.00 inHg
Wind10.4 mph SW
Humidity66%
Visibility—
Dew point54°
Sat, 2476° / 68°0
Morning69°feels 68°
Afternoon73°feels 72°
Evening73°feels 72°
Overnight70°feels 70°
76 °
Keystone, Saturday, 24 October
Clear. High 76°, low 68°.
Pressure29.97 inHg
Wind9.1 mph W
Humidity41%
Visibility—
Dew point47°
Sun, 2577° / 70°0
Morning71°feels 70°
Afternoon73°feels 73°
Evening73°feels 73°
Overnight71°feels 70°
77 °
Keystone, Sunday, 25 October
Overcast. High 77°, low 70°.
Pressure29.91 inHg
Wind8.7 mph W
Humidity47%
Visibility—
Dew point51°
Mon, 2673° / 69°0
Morning70°feels 69°
Afternoon72°feels 71°
Evening71°feels 70°
Overnight69°feels 68°
73 °
Keystone, Monday, 26 October
Overcast. High 73°, low 69°.
Pressure29.74 inHg
Wind13 mph W
Humidity62%
Visibility—
Dew point58°
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, CA 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.