Fort Collins weather in October: Fort Collins, Colorado: normal highs, lows, rain and records for October
Fort Collins in October has a normal high of 64°F and a normal low of 36°F, a daily mean of 50°F, falling from 71°F on the 1st to 59°F by the 31st. Measurable precipitation falls on 6 days in a normal October, 1.25 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 2°C, 32 mm of precipitation and 10 cm of snow in October.
- NOAA stationFort Collins
- Station IDUSC00053005
- Location40.58°N 105.09°W
- Elevation5,004 ft (1,525 m)
- Population170,924
- Jan 45° 18°
- Feb 47° 21°
- Mar 56° 29°
- Apr 63° 35°
- May 71° 44°
- Jun 82° 53°
- Jul 87° 59°
- Aug 85° 57°
- Sep 77° 48°
- Oct 64° 36°
- Nov 53° 26°
- Dec 44° 18°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Fort Collins in October?
The normal high is 64°F and the normal low 36°F, for a daily mean of 50.2°F. October is 12.5°F cooler than September and 10.9°F warmer than November. October is the 6th warmest month of the year in Fort Collins and the 8th wettest. Across the month the normal high falls 12°F, from 71°F on October 1 to 59°F on October 31. From one year to the next October's mean temperature typically moves about 3.1°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 47°F and 53°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 21%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 71°F | 42°F | 21% | 10% |
| October 8 | 68°F | 39°F | 20% | 10% |
| October 15 | 65°F | 36°F | 20% | 9% |
| October 22 | 62°F | 34°F | 19% | 9% |
| October 31 | 59°F | 31°F | 19% | 9% |
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| October 1 | 71°F | 42°F | 21% | 10% | 11 h 50 min |
| October 2 | 70°F | 42°F | 21% | 10% | 11 h 50 min |
| October 3 | 70°F | 41°F | 21% | 10% | 11 h 40 min |
| October 4 | 69°F | 41°F | 21% | 10% | 11 h 40 min |
| October 5 | 69°F | 40°F | 21% | 10% | 11 h 40 min |
| October 6 | 68°F | 40°F | 21% | 10% | 11 h 40 min |
| October 7 | 68°F | 39°F | 21% | 10% | 11 h 30 min |
| October 8 | 68°F | 39°F | 20% | 10% | 11 h 30 min |
| October 9 | 67°F | 39°F | 20% | 10% | 11 h 30 min |
| October 10 | 67°F | 38°F | 20% | 10% | 11 h 30 min |
| October 11 | 66°F | 38°F | 20% | 10% | 11 h 20 min |
| October 12 | 66°F | 37°F | 20% | 10% | 11 h 20 min |
| October 13 | 65°F | 37°F | 20% | 10% | 11 h 20 min |
| October 14 | 65°F | 37°F | 20% | 10% | 11 h 10 min |
| October 15 | 65°F | 36°F | 20% | 9% | 11 h 10 min |
| October 16 | 64°F | 36°F | 19% | 9% | 11 h 10 min |
| October 17 | 64°F | 36°F | 19% | 9% | 11 h 10 min |
| October 18 | 63°F | 35°F | 19% | 9% | 11 h |
| October 19 | 63°F | 35°F | 19% | 9% | 11 h |
| October 20 | 63°F | 35°F | 19% | 9% | 11 h |
| October 21 | 62°F | 34°F | 19% | 9% | 11 h |
| October 22 | 62°F | 34°F | 19% | 9% | 10 h 50 min |
| October 23 | 61°F | 34°F | 19% | 9% | 10 h 50 min |
| October 24 | 61°F | 33°F | 19% | 9% | 10 h 50 min |
| October 25 | 61°F | 33°F | 19% | 9% | 10 h 50 min |
| October 26 | 60°F | 33°F | 19% | 9% | 10 h 40 min |
| October 27 | 60°F | 32°F | 19% | 9% | 10 h 40 min |
| October 28 | 60°F | 32°F | 19% | 9% | 10 h 40 min |
| October 29 | 59°F | 32°F | 19% | 9% | 10 h 40 min |
| October 30 | 59°F | 31°F | 19% | 9% | 10 h 30 min |
| October 31 | 59°F | 31°F | 19% | 9% | 10 h 30 min |
- Normal high
- 64°FOctober average
- Normal low
- 36°FOctober average
- Precipitation
- 1.25 inmonth total
- Days with precipitation
- 60.01 inch or more
- Snowfall
- 4.1 inmonth total
- Nights at 32°F or colder
- 9
- Daylight
- 11 h 50 min to 10 h 30 minOctober 1 to October 31
- Days at 70°F or more
- 11
- Days at 80°F or more
- 3
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00053005; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Fort Collins in October?
On a given October day the chance of 0.01 inch or more is 20% on average, highest around October 1 (21%). In all, 1.25 in falls on 6 days of a normal October.
In a normal October in Fort Collins, 9 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 4.1 inches.
Snow falls on 1 day in a normal October, and an inch or more covers the ground on 1 day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00053005.
What are the records for October in Fort Collins?
The warmest October temperature on this station's record (since 1893) is 88°F, on October 17, 1926; the coldest is −8°F, on October 31, 1905. The wettest October brought 6.70 in (1942); the snowiest, 25.7 inches (2009).
The October mean against the 1991-2020 normal of 50.2°F: 2021 52.2°F (+2.0), 2022 52.1°F (+1.9), 2023 51.7°F (+1.5), 2024 55.6°F (+5.4), 2025 53.3°F (+3.1). 5 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 52.2°F | +2.0°F | 0.20 in |
| 2022 | 52.1°F | +1.9°F | 0.33 in |
| 2023 | 51.7°F | +1.5°F | 0.68 in |
| 2024 | 55.6°F | +5.4°F | 0.31 in |
| 2025 | 53.3°F | +3.1°F | 0.50 in |
Source: records: ACIS, station USC00053005; recent months: ACIS, station USC00053005. Records and recent months use complete months only.
How does October in Fort Collins compare across Colorado?
Across the 125 places PlainClimate covers in Colorado, October normal highs run from 50°F in Leadville to 72°F in Rocky Ford; Fort Collins's is 64°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Fort Collins in September77°F by day, 48°F at night
- Fort Collins in November53°F by day, 26°F at night
- Fort Collins through the yearEvery month, frost dates, records and recent years
- Colorado in OctoberThe statewide normal and the warmest and coolest places
- Rocky Ford: Colorado's warmest Octobernormal high 72°F