Great Falls Weather in March
Average highs run from 43°F on March 1 to 53°F on March 31, and lows from 21°F to 29°F. Normal precipitation for the month is 0.63 in over about 6 wet days.
March day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
March at a glance
- Average high
- 48°F
- Average low
- 25°F
- Precipitation
- 0.63 in
- Snowfall
- 10.1 in
- Record high
- 78°FMar 29, 1978
- Record low
- -32°FMar 3, 2019
- Chance of a freeze
- 100%
- Daylight
- 11 h 05 min to 12 h 48 min
- Cloud cover
- 70%
- Humidity
- 68%
- Dew point
- 23°F
- Wind
- 10.3 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 |
|---|---|---|---|---|---|---|
| Mar 1 | 43°F | 21°F | 65°F 1968 | -17°F 2014 | 24% | 26% |
| Mar 2 | 43°F | 21°F | 65°F 1994 | -25°F 2019 | 24% | 26% |
| Mar 3 | 43°F | 22°F | 65°F 1986 | -32°F 2019 | 23% | 26% |
| Mar 4 | 44°F | 22°F | 72°F 1987 | -24°F 2019 | 23% | 25% |
| Mar 5 | 44°F | 22°F | 74°F 1987 | -22°F 1947 | 23% | 25% |
| Mar 6 | 45°F | 22°F | 70°F 2020 | -24°F 1951 | 22% | 25% |
| Mar 7 | 45°F | 23°F | 64°F 1986 | -24°F 1951 | 22% | 24% |
| Mar 8 | 45°F | 23°F | 66°F 2004 | -29°F 1951 | 22% | 24% |
| Mar 9 | 46°F | 23°F | 70°F 1972 | -23°F 1951 | 22% | 24% |
| Mar 10 | 46°F | 24°F | 69°F 1983 | -25°F 1951 | 22% | 24% |
| Mar 11 | 47°F | 24°F | 65°F 2012 | -18°F 1951 | 22% | 23% |
| Mar 12 | 47°F | 24°F | 69°F 2007 | -13°F 1950 | 22% | 23% |
| Mar 13 | 47°F | 24°F | 69°F 2003 | -10°F 1967 | 21% | 23% |
| Mar 14 | 48°F | 25°F | 71°F 2015 | -16°F 1967 | 21% | 23% |
| Mar 15 | 48°F | 25°F | 72°F 1994 | -12°F 2020 | 21% | 22% |
| Mar 16 | 48°F | 25°F | 68°F 1994 | -12°F 1943 | 22% | 22% |
| Mar 17 | 49°F | 26°F | 69°F 1972 | -14°F 1965 | 22% | 22% |
| Mar 18 | 49°F | 26°F | 75°F 2017 | -16°F 1965 | 22% | 22% |
| Mar 19 | 49°F | 26°F | 72°F 2026 | 1°F 1965 | 22% | 22% |
| Mar 20 | 50°F | 26°F | 76°F 2026 | -7°F 1965 | 22% | 21% |
| Mar 21 | 50°F | 27°F | 70°F 1939 | -16°F 2002 | 22% | 21% |
| Mar 22 | 50°F | 27°F | 72°F 1939 | -6°F 1964 | 23% | 21% |
| Mar 23 | 51°F | 27°F | 74°F 1993 | -15°F 1964 | 23% | 21% |
| Mar 24 | 51°F | 27°F | 72°F 1939 | -20°F 1955 | 23% | 21% |
| Mar 25 | 51°F | 28°F | 73°F 1999 | -17°F 1955 | 24% | 21% |
| Mar 26 | 52°F | 28°F | 71°F 1946 | -8°F 1955 | 24% | 20% |
| Mar 27 | 52°F | 28°F | 74°F 2015 | 1°F 1965 | 24% | 20% |
| Mar 28 | 52°F | 29°F | 72°F 2022 | -7°F 1954 | 25% | 20% |
| Mar 29 | 53°F | 29°F | 78°F 1978 | -4°F 1954 | 25% | 20% |
| Mar 30 | 53°F | 29°F | 78°F 2004 | -3°F 1954 | 25% | 20% |
| Mar 31 | 53°F | 29°F | 76°F 2015 | 2°F 2018 | 26% | 19% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- March 1
- sunrise 7:05 AM, sunset 6:10 PM
- March 31
- sunrise 7:06 AM, sunset 7:54 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00243749 (Great Falls 16ST), public domain. Records: NOAA GHCN-Daily, station USW00024143, 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.