Keystone, CO Weather Forecast
Local 7-day forecast
Light Snow Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Keystone, CO in one place.
Snow likely. Mostly cloudy, with a high near 41. North wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Local Weather Overview
This forecast page for Keystone, CO is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 14, 2026 12:55 AM MDT.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for Keystone, CO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 14, 2026 12:55 AM MDT
- Forecast office
- BOU
- Source
- NOAA / NWS
Daily Outlook
This Week in Keystone
Monday looks like the warmest upcoming period in Keystone at 56 degrees F.
Thursday Night is the coolest period ahead with temperatures near 17 degrees F.
The strongest winds are forecast for Tuesday at about 3 to 8 mph SSW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 14, 2026 12:55 AM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- BOU
- Radar station
- KFTG
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 17. East wind around 6 mph.
Sunny, with a high near 51.
Mostly clear, with a low around 22.
Sunny, with a high near 55.
Partly cloudy, with a low around 27.
Mostly sunny, with a high near 52.
Mostly clear, with a low around 26.
Sunny, with a high near 56.
Mostly clear, with a low around 29.
A slight chance of rain showers after noon. Sunny, with a high near 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Light Snow Likely
|
41°F |
7 mph
N
|
|
Thursday Night
Oct 15
|
Partly Cloudy
|
17°F |
6 mph
E
|
|
Friday
Oct 16
|
Sunny
|
51°F |
5 mph
SSE
|
|
Friday Night
Oct 16
|
Mostly Clear
|
22°F |
5 mph
SSW
|
|
Saturday
Oct 17
|
Sunny
|
55°F |
5 mph
WSW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
27°F |
3 mph
W
|
|
Sunday
Oct 18
|
Mostly Sunny
|
52°F |
5 mph
WNW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
26°F |
3 mph
WSW
|
|
Monday
Oct 19
|
Sunny
|
56°F |
0 to 3 mph
SW
|
|
Monday Night
Oct 19
|
Mostly Clear
|
29°F |
5 mph
S
|
|
Tuesday
Oct 20
|
Sunny then Slight Chance Rain Showers
|
55°F |
3 to 8 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Keystone.