Keystone, CO Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Keystone, CO in one place.
Mostly sunny. High near 56, with temperatures falling to around 53 in the afternoon. Southwest wind 8 to 17 mph, with gusts as high as 30 mph.
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: Apr 16, 2026 12:11 AM MDT.
The active forecast window currently covers Apr 16 to Apr 22, 2026 for Keystone, CO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 12:11 AM MDT
- Forecast office
- BOU
- Source
- NOAA / NWS
Daily Outlook
This Week in Keystone
Tuesday looks like the warmest upcoming period in Keystone at 62 degrees F.
Friday Night is the coolest period ahead with temperatures near 10 degrees F.
The strongest winds are forecast for Thursday Night at about 6 to 18 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 12:11 AM MDT
- Coverage
- 7 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
A slight chance of snow showers after midnight. Partly cloudy, with a low around 26. Southwest wind 6 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Snow showers. Cloudy, with a high near 31. West southwest wind 6 to 12 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
A chance of snow showers. Mostly cloudy, with a low around 10. West northwest wind 5 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
A slight chance of snow showers before noon. Mostly sunny, with a high near 42. Chance of precipitation is 20%.
Mostly clear, with a low around 16.
Sunny, with a high near 56.
Partly cloudy, with a low around 28.
Mostly sunny, with a high near 58.
Partly cloudy, with a low around 31.
Sunny, with a high near 62.
Partly cloudy, with a low around 32.
A slight chance of snow showers before 3pm, then a slight chance of rain and snow showers. Mostly sunny, with a high near 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Mostly Sunny
|
56°F |
8 to 17 mph
SW
|
|
Thursday Night
Apr 16
|
Partly Cloudy then Slight Chance Snow Showers
|
26°F |
6 to 18 mph
SW
|
|
Friday
Apr 17
|
Snow Showers
|
31°F |
6 to 12 mph
WSW
|
|
Friday Night
Apr 17
|
Chance Snow Showers
|
10°F |
5 to 10 mph
WNW
|
|
Saturday
Apr 18
|
Slight Chance Snow Showers then Mostly Sunny
|
42°F |
5 to 10 mph
WNW
|
|
Saturday Night
Apr 18
|
Mostly Clear
|
16°F |
3 to 7 mph
WSW
|
|
Sunday
Apr 19
|
Sunny
|
56°F |
3 to 9 mph
WSW
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
28°F |
3 to 7 mph
WSW
|
|
Monday
Apr 20
|
Mostly Sunny
|
58°F |
2 to 8 mph
W
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
31°F |
2 to 6 mph
WSW
|
|
Tuesday
Apr 21
|
Sunny
|
62°F |
2 to 8 mph
SW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
32°F |
7 mph
SSW
|
|
Wednesday
Apr 22
|
Slight Chance Snow Showers
|
60°F |
5 to 12 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Keystone.