Fort Collins weather in March: Fort Collins, Colorado: normal highs, lows, rain and records for March
Fort Collins in March has a normal high of 56°F and a normal low of 29°F, a daily mean of 42°F, rising from 51°F on the 1st to 61°F by the 31st. Measurable precipitation falls on 6 days in a normal March, 1.31 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 14°C and low of −2°C, 33 mm of precipitation and 24 cm of snow in March.
- 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 March?
The normal high is 56°F and the normal low 29°F, for a daily mean of 42.4°F. March is 8.6°F warmer than February and 6.6°F cooler than April. March is the 8th warmest month of the year in Fort Collins and the 7th wettest, and the snowiest. Across the month the normal high rises 10°F, from 51°F on March 1 to 61°F on March 31. From one year to the next March's mean temperature typically moves about 3.2°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 39°F and 46°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 24%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 51°F | 24°F | 18% | 7% |
| March 8 | 54°F | 26°F | 19% | 8% |
| March 15 | 57°F | 28°F | 20% | 9% |
| March 22 | 59°F | 30°F | 21% | 10% |
| March 31 | 61°F | 32°F | 24% | 12% |
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| March 1 | 51°F | 24°F | 18% | 7% | 11 h 10 min |
| March 2 | 51°F | 24°F | 18% | 7% | 11 h 20 min |
| March 3 | 52°F | 25°F | 18% | 7% | 11 h 20 min |
| March 4 | 52°F | 25°F | 18% | 7% | 11 h 20 min |
| March 5 | 53°F | 25°F | 18% | 8% | 11 h 30 min |
| March 6 | 53°F | 26°F | 19% | 8% | 11 h 30 min |
| March 7 | 53°F | 26°F | 19% | 8% | 11 h 30 min |
| March 8 | 54°F | 26°F | 19% | 8% | 11 h 30 min |
| March 9 | 54°F | 27°F | 19% | 8% | 11 h 40 min |
| March 10 | 55°F | 27°F | 19% | 8% | 11 h 40 min |
| March 11 | 55°F | 27°F | 19% | 8% | 11 h 40 min |
| March 12 | 55°F | 28°F | 19% | 8% | 11 h 40 min |
| March 13 | 56°F | 28°F | 19% | 9% | 11 h 50 min |
| March 14 | 56°F | 28°F | 20% | 9% | 11 h 50 min |
| March 15 | 57°F | 28°F | 20% | 9% | 11 h 50 min |
| March 16 | 57°F | 29°F | 20% | 9% | 11 h 50 min |
| March 17 | 57°F | 29°F | 20% | 9% | 12 h |
| March 18 | 58°F | 29°F | 20% | 9% | 12 h |
| March 19 | 58°F | 30°F | 21% | 10% | 12 h |
| March 20 | 58°F | 30°F | 21% | 10% | 12 h 10 min |
| March 21 | 58°F | 30°F | 21% | 10% | 12 h 10 min |
| March 22 | 59°F | 30°F | 21% | 10% | 12 h 10 min |
| March 23 | 59°F | 31°F | 22% | 10% | 12 h 10 min |
| March 24 | 59°F | 31°F | 22% | 10% | 12 h 20 min |
| March 25 | 59°F | 31°F | 22% | 11% | 12 h 20 min |
| March 26 | 60°F | 31°F | 23% | 11% | 12 h 20 min |
| March 27 | 60°F | 32°F | 23% | 11% | 12 h 20 min |
| March 28 | 60°F | 32°F | 23% | 11% | 12 h 30 min |
| March 29 | 60°F | 32°F | 24% | 11% | 12 h 30 min |
| March 30 | 60°F | 32°F | 24% | 12% | 12 h 30 min |
| March 31 | 61°F | 32°F | 24% | 12% | 12 h 40 min |
- Normal high
- 56°FMarch average
- Normal low
- 29°FMarch average
- Precipitation
- 1.31 inmonth total
- Days with precipitation
- 60.01 inch or more
- Snowfall
- 9.4 inmonth total
- Nights at 32°F or colder
- 22
- Daylight
- 11 h 10 min to 12 h 40 minMarch 1 to March 31
- Days at 70°F or more
- 4
- 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 March?
On a given March day the chance of 0.01 inch or more is 20% on average, highest around March 31 (24%). In all, 1.31 in falls on 6 days of a normal March.
In a normal March in Fort Collins, 22 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 9.4 inches.
Snow falls on 5 days in a normal March, and an inch or more covers the ground on 4 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00053005.
What are the records for March in Fort Collins?
The warmest March temperature on this station's record (since 1893) is 91°F, on March 21, 2026; the coldest is −31°F, on March 6, 1943. The wettest March brought 5.76 in (2003); the snowiest, 39.6 inches (1988).
The March mean against the 1991-2020 normal of 42.4°F: 2021 39.8°F (−2.6), 2022 41.4°F (−1.0), 2023 36.5°F (−5.9), 2024 42.0°F (−0.4), 2025 47.0°F (+4.6), 2026 54.3°F (+11.9). 2 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 39.8°F | −2.6°F | 2.66 in |
| 2022 | 41.4°F | −1.0°F | 0.97 in |
| 2023 | 36.5°F | −5.9°F | 1.15 in |
| 2024 | 42.0°F | −0.4°F | 1.94 in |
| 2025 | 47.0°F | +4.6°F | 1.19 in |
| 2026 | 54.3°F | +11.9°F | 0.55 in |
Source: records: ACIS, station USC00053005; recent months: ACIS, station USC00053005. Records and recent months use complete months only.
How does March in Fort Collins compare across Colorado?
Across the 125 places PlainClimate covers in Colorado, March normal highs run from 37°F in Leadville to 63°F in Rocky Ford; Fort Collins's is 56°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Fort Collins in February47°F by day, 21°F at night
- Fort Collins in April63°F by day, 35°F at night
- Fort Collins through the yearEvery month, frost dates, records and recent years
- Colorado in MarchThe statewide normal and the warmest and coolest places
- Rocky Ford: Colorado's warmest Marchnormal high 63°F