March weather in Lewistown, MT
The average temperature in Lewistown in March is 32.9°F (21.4°F–44.3°F). Average precipitation: 0.87 inches.
March is a spring month in Lewistown, and is cooler than the annual average of 43.1°F. Daily temperatures swing about 22.9°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 11h 39m. For travel, March is cold.
Avg High
44.3°F
Avg Low
21.4°F
Precipitation
0.87 in
Daylight
11h 39m
March records in Lewistown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 66.0°F (1905) | -18.8°F (2014) | 0.60 in (1906) |
| March 2 | 71.1°F (1905) | -29.7°F (2019) | 0.43 in (1955) |
| March 3 | 72.0°F (1921) | -33.9°F (2019) | 0.20 in (1898) |
| March 4 | 69.1°F (1987) | -26.0°F (1945) | 0.38 in (2006) |
| March 5 | 70.0°F (1987) | -27.9°F (1945) | 0.70 in (1921) |
| March 6 | 71.1°F (2016) | -27.9°F (1951) | 0.88 in (1950) |
| March 7 | 60.1°F (1986) | -27.9°F (1951) | 0.20 in (1921) |
| March 8 | 64.9°F (2026) | -27.9°F (1951) | 0.50 in (1898) |
| March 9 | 64.0°F (1983) | -22.0°F (1932) | 0.45 in (1935) |
| March 10 | 72.0°F (1983) | -22.0°F (1948) | 0.77 in (2014) |
| March 11 | 71.1°F (1983) | -20.9°F (1932) | 0.92 in (1954) |
| March 12 | 70.0°F (2007) | -20.0°F (1897) | 0.58 in (2026) |
| March 13 | 66.0°F (1916) | -26.0°F (1897) | 0.55 in (2026) |
| March 14 | 73.9°F (1910) | -17.0°F (1967) | 0.51 in (1924) |
| March 15 | 66.9°F (1910) | -25.1°F (1906) | 1.00 in (1898) |
| March 16 | 69.1°F (1910) | -18.9°F (1943) | 0.50 in (1898) |
| March 17 | 68.0°F (2007) | -18.0°F (1943) | 1.11 in (1981) |
| March 18 | 75.0°F (2017) | -17.0°F (1913) | 0.41 in (1981) |
| March 19 | 71.1°F (2026) | -20.0°F (1913) | 0.40 in (1982) |
| March 20 | 77.0°F (1910) | -11.0°F (1913) | 0.65 in (1932) |
| March 21 | 75.0°F (1928) | -20.9°F (2002) | 0.40 in (1907) |
| March 22 | 75.0°F (1928) | -18.9°F (1898) | 0.70 in (1973) |
| March 23 | 73.9°F (1939) | -20.0°F (1913) | 0.40 in (1901) |
| March 24 | 71.1°F (1939) | -27.0°F (1965) | 0.50 in (1901) |
| March 25 | 73.0°F (1999) | -20.0°F (1996) | 1.25 in (1995) |
| March 26 | 72.0°F (1960) | -13.0°F (1904) | 1.00 in (1975) |
| March 27 | 73.0°F (2015) | -9.9°F (1965) | 0.90 in (2007) |
| March 28 | 72.0°F (1953) | -11.0°F (1987) | 0.50 in (1998) |
| March 29 | 70.0°F (1943) | -17.0°F (1987) | 1.13 in (1938) |
| March 30 | 75.9°F (2004) | -20.0°F (1936) | 0.75 in (1980) |
| March 31 | 75.0°F (2015) | -11.0°F (1936) | 0.80 in (1908) |