Rain forecast and rainfall this year
Thornton, CO
No rain expected today.
Updated Thursday 3:08 PM ET.
Forecast
0 percent chance of rain
TodayHigh 58°, low 36°No rain expected
4 percent chance of rain
TomorrowHigh 57°, low 37°No rain expected
This year so far, since Jan 1
8.36 in
−5.95 in below normal for this point in the year (14.31 in).
National rank301st of 363
In Colorado15th of 18
Biggest day0.64 in, May 5
Last measurable rain0.02 in, Oct 15, 2026
Month by month
Jan0.22
Feb0.00
Mar0.70
Apr0.45
May1.91
Jun1.50
Jul0.55
Aug2.04
Sep0.80
Oct0.19
Nov0.00
Dec–
This yearNormal
Records since 1948
Wettest year24.07 in, 2015
Biggest rain day3.88 in, Sep 12, 2013
Nearby cities
- WestminsterCO8.36 in this year7 miles
- DenverCO8.36 in this year11 miles
- ArvadaCO8.36 in this year13 miles
- LakewoodCO8.36 in this year18 miles
- BoulderCO23.15 in this year19 miles
More Thornton weather
Forecast based on National Weather Service forecast data. Rainfall 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 years and several-day totals are left out. Rain Scoreboard is not affiliated with the National Weather Service or NOAA.