10-day forecast for Keystone, CO: 48° to 80°, with precipitation expected on 8 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Saturday, August 8
73° · 0.86 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0980° / 54°0.13
Morning64°feels 61°
Afternoon79°feels 79°
Evening64°feels 64°
Overnight59°feels 57°
80 °
Keystone, Sunday, 9 August
Light rain. High 80°, low 54°.
Pressure30.03 inHg
Wind8.7 mph NW
Humidity20%
Visibility6.2 mi
Dew point28°
Mon, 1077° / 51°0.01
Morning57°feels 56°
Afternoon77°feels 76°
Evening58°feels 56°
Overnight55°feels 54°
77 °
Keystone, Monday, 10 August
Light rain. High 77°, low 51°.
Pressure30.03 inHg
Wind7.8 mph NW
Humidity26%
Visibility6.2 mi
Dew point35°
Tue, 1179° / 51°0.11
Morning61°feels 59°
Afternoon73°feels 72°
Evening54°feels 53°
Overnight52°feels 50°
79 °
Keystone, Tuesday, 11 August
Light rain. High 79°, low 51°.
Pressure30.00 inHg
Wind5.8 mph NW
Humidity22%
Visibility6.2 mi
Dew point34°
Wed, 1280° / 51°0.13
Morning62°feels 60°
Afternoon77°feels 75°
Evening54°feels 53°
Overnight52°feels 50°
80 °
Keystone, Wednesday, 12 August
Light rain. High 80°, low 51°.
Pressure29.91 inHg
Wind1.9 mph SW
Humidity19%
Visibility6.2 mi
Dew point31°
Thu, 1370° / 49°0.17
Morning55°feels 55°
Afternoon68°feels 66°
Evening58°feels 57°
Overnight52°feels 52°
70 °
Keystone, Thursday, 13 August
Light rain. High 70°, low 49°.
Pressure30.00 inHg
Wind8.5 mph S
Humidity40%
Visibility—
Dew point42°
Fri, 1468° / 48°0.24
Morning54°feels 52°
Afternoon67°feels 66°
Evening59°feels 59°
Overnight51°feels 50°
68 °
Keystone, Friday, 14 August
Light rain. High 68°, low 48°.
Pressure30.03 inHg
Wind5.5 mph SE
Humidity43%
Visibility—
Dew point42°
Sat, 1570° / 50°0.17
Morning55°feels 54°
Afternoon67°feels 66°
Evening64°feels 63°
Overnight54°feels 53°
70 °
Keystone, Saturday, 15 August
Light rain. High 70°, low 50°.
Pressure30.21 inHg
Wind5.9 mph NW
Humidity57%
Visibility—
Dew point49°
Sun, 1672° / 51°0.58
Morning57°feels 56°
Afternoon70°feels 69°
Evening58°feels 58°
Overnight52°feels 51°
72 °
Keystone, Sunday, 16 August
Heavy rain. High 72°, low 51°.
Pressure30.21 inHg
Wind5.5 mph SE
Humidity33%
Visibility—
Dew point39°
Mon, 1773° / 50°0.86
Morning58°feels 56°
Afternoon69°feels 68°
Evening51°feels 50°
Overnight52°feels 51°
73 °
Keystone, Monday, 17 August
Heavy rain. High 73°, low 50°.
Pressure30.18 inHg
Wind6.1 mph NW
Humidity35%
Visibility—
Dew point41°
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, CO 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.