Sep 2025
0.0″0 snow
Last measurable snow in Castle Rock, CO 80109: April 5, 2025.
Snowfall · 2026–2027 season
Castle Rock, CO 80109
0.0″
CASTLE ROCK
last season
No snow yet this 2026–2027 season in ZIP 80109. Last measurable snow: April 5, 2025.
0.0″
This season
0 snow days
0.0″
Last season
0.0″
2026 so far
Live snowfall tracking on your iPhone
Track snowfall totals at Castle Rock, CO 80109.
With the GrayCloud app
- Snow and rain alerts before they start
- Live radar with a 60-minute outlook
- Live Activities and home screen widgets
- Season and year-to-date snow tracking
Source: NOAA GHCN-Daily snow observations from station CASTLE ROCK. ZIP-code locations from GeoNames postal data (CC BY 4.0). Snowfall is station-measured; totals reflect the nearest snow-reporting station to this ZIP's location.