Snow forecast and season snowfall
Thornton, CO
No snow expected today.
Updated Monday 4:17 PM ET.
Forecast
0 percent chance of snow
TodayHigh 69°, low 41°No snow expected
0 percent chance of snow
TomorrowHigh 69°, low 40°No snow expected
Today in Thornton
Season so far, since Jul 1
0.0 in
−6.9 in below normal for this point in the season (6.9 in).
National rank—
In Colorado—
Biggest day—
Last measurable snow3.0 in, May 6, 2026
Month by month
Sep0.0
Oct0.0
Nov0.0
Dec–
Jan–
Feb–
Mar–
Apr–
May–
This seasonNormal
Records since 1948
Snowiest season99.3 in, 1958–59
Biggest snow day23.6 in, Dec 24, 1982
Nearby cities
- WestminsterCONo snow yet7 miles
- DenverCONo snow yet11 miles
- ArvadaCONo snow yet13 miles
- LakewoodCONo snow yet18 miles
- BoulderCONo snow yet19 miles
More Thornton weather
Forecast based on National Weather Service forecast data. Snowfall records are from NOAA Regional Climate Centers for the Denver-Central Park station, recorded since 1948; normals are NOAA’s 1991–2020 averages. Totals are preliminary. Records are this station’s own and may differ from official NWS city records, which can include earlier locations. Incomplete seasons and several-day totals are left out. Weather Scoreboard is not affiliated with the National Weather Service or NOAA.