Thornton Weather in October
Average highs run from 86°F on October 1 to 75°F on October 31, and lows from 59°F to 48°F. Normal precipitation for the month is 4.34 in over about 6 wet days.
October day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 81°F
- Average low
- 54°F
- Precipitation
- 4.34 in
- Record high
- 99°FOct 3, 1989
- Record low
- 26°FOct 30, 1991
- Chance of a freeze
- 15%
- Days of 90°F or more
- 3.7
- Daylight
- 11 h 51 min to 10 h 57 min
- Cloud cover
- 43%
- Humidity
- 69%
- Dew point
- 56°F
- Wind
- 8.9 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Oct 1 | 86°F | 59°F | 95°F 1977 | 37°F 1984 | 17% | 0% |
| Oct 2 | 85°F | 59°F | 98°F 1989 | 42°F 1985 | 17% | 0% |
| Oct 3 | 85°F | 59°F | 99°F 1989 | 43°F 1975 | 17% | 0% |
| Oct 4 | 85°F | 58°F | 96°F 2002 | 38°F 1987 | 17% | 0% |
| Oct 5 | 84°F | 58°F | 95°F 1982 | 42°F 1985 | 17% | 0% |
| Oct 6 | 84°F | 58°F | 95°F 2002 | 41°F 1985 | 18% | 0% |
| Oct 7 | 84°F | 57°F | 94°F 1990 | 41°F 1987 | 18% | 0% |
| Oct 8 | 84°F | 57°F | 94°F 1977 | 45°F 1976 | 18% | 0% |
| Oct 9 | 83°F | 57°F | 90°F 1962 | 38°F 2000 | 18% | 0% |
| Oct 10 | 83°F | 56°F | 91°F 1975 | 40°F 1970 | 18% | 0% |
| Oct 11 | 83°F | 56°F | 95°F 1963 | 39°F 1990 | 19% | 0% |
| Oct 12 | 82°F | 56°F | 92°F 1969 | 39°F 1977 | 19% | 0% |
| Oct 13 | 82°F | 55°F | 92°F 1985 | 38°F 1987 | 19% | 0% |
| Oct 14 | 81°F | 55°F | 92°F 1985 | 41°F 1969 | 19% | 0% |
| Oct 15 | 81°F | 54°F | 89°F 1989 | 39°F 1995 | 20% | 0% |
| Oct 16 | 81°F | 54°F | 94°F 1989 | 38°F 1966 | 20% | 0% |
| Oct 17 | 80°F | 54°F | 91°F 1972 | 36°F 2001 | 20% | 0% |
| Oct 18 | 80°F | 53°F | 91°F 2005 | 40°F 1976 | 20% | 0% |
| Oct 19 | 80°F | 53°F | 90°F 2004 | 31°F 1989 | 20% | 0% |
| Oct 20 | 79°F | 53°F | 92°F 2005 | 30°F 1989 | 21% | 0% |
| Oct 21 | 79°F | 52°F | 90°F 1979 | 34°F 1976 | 21% | 0% |
| Oct 22 | 79°F | 52°F | 91°F 1999 | 43°F 1976 | 21% | 0% |
| Oct 23 | 78°F | 51°F | 88°F 2003 | 34°F 2006 | 21% | 0% |
| Oct 24 | 78°F | 51°F | 87°F 1975 | 30°F 1982 | 21% | 0% |
| Oct 25 | 77°F | 50°F | 90°F 1992 | 28°F 2005 | 22% | 0% |
| Oct 26 | 77°F | 50°F | 90°F 1992 | 32°F 2007 | 22% | 0% |
| Oct 27 | 77°F | 50°F | 88°F 1977 | 33°F 2007 | 22% | 0% |
| Oct 28 | 76°F | 49°F | 85°F 1971 | 30°F 1991 | 22% | 0% |
| Oct 29 | 76°F | 49°F | 89°F 1977 | 37°F 1970 | 22% | 0% |
| Oct 30 | 76°F | 48°F | 86°F 1977 | 26°F 1991 | 22% | 0% |
| Oct 31 | 75°F | 48°F | 87°F 1977 | 28°F 1991 | 22% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- October 1
- sunrise 7:20 AM, sunset 7:11 PM
- October 31
- sunrise 7:41 AM, sunset 6:38 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00415611 (Marlin), public domain. Records: NOAA GHCN-Daily, station USC00413047, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.