March weather in Portage, WI
The average temperature in Portage in March is 33.2°F (24.0°F–42.4°F). Average precipitation: 2.18 inches. Average snowfall is 5.5 inches.
March is a spring month in Portage, and is cooler than the annual average of 46.5°F. Daily temperatures swing about 18.4°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 11h 42m. For travel, March is cold.
Avg High
42.4°F
Avg Low
24.0°F
Precipitation
2.18 in
Snow
5.5 in
March records in Portage
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 61.0°F (2000) | -25.1°F (1962) | 0.64 in (2017) |
| March 2 | 66.9°F (1985) | -18.9°F (1962) | 0.70 in (1906) |
| March 3 | 66.0°F (1983) | -15.0°F (1943) | 0.94 in (1951) |
| March 4 | 72.0°F (2024) | -11.0°F (2019) | 1.47 in (1989) |
| March 5 | 63.0°F (1983) | -22.0°F (1917) | 1.38 in (1976) |
| March 6 | 68.0°F (2000) | -11.0°F (1960) | 1.26 in (1946) |
| March 7 | 69.1°F (2000) | -13.0°F (1913) | 2.02 in (1973) |
| March 8 | 79.0°F (2000) | -11.0°F (1943) | 0.50 in (1951) |
| March 9 | 72.0°F (1987) | -11.0°F (1975) | 1.25 in (1946) |
| March 10 | 71.1°F (2026) | -5.1°F (1972) | 0.95 in (1943) |
| March 11 | 68.0°F (2025) | -16.1°F (1943) | 0.99 in (1973) |
| March 12 | 66.9°F (2012) | -11.9°F (1948) | 0.79 in (1927) |
| March 13 | 75.0°F (1990) | -6.0°F (1975) | 0.97 in (1997) |
| March 14 | 69.1°F (1990) | -9.0°F (1897) | 1.33 in (1971) |
| March 15 | 78.1°F (2012) | -0.9°F (1897) | 0.70 in (1953) |
| March 16 | 78.1°F (2012) | -7.1°F (1900) | 2.00 in (2016) |
| March 17 | 78.1°F (2012) | -8.0°F (1941) | 0.61 in (2023) |
| March 18 | 80.1°F (2012) | -4.0°F (1959) | 0.85 in (1903) |
| March 19 | 80.1°F (2012) | -11.0°F (1923) | 1.08 in (1897) |
| March 20 | 78.1°F (1921) | 1.0°F (1965) | 1.96 in (2020) |
| March 21 | 80.1°F (2012) | 0.0°F (1965) | 0.77 in (2011) |
| March 22 | 82.0°F (2012) | -0.9°F (1906) | 1.32 in (1966) |
| March 23 | 77.0°F (1910) | 0.0°F (1940) | 1.25 in (2011) |
| March 24 | 75.0°F (1910) | -7.1°F (1974) | 1.25 in (1904) |
| March 25 | 73.0°F (1910) | 1.0°F (1974) | 0.95 in (2009) |
| March 26 | 78.1°F (2007) | 1.0°F (1937) | 1.23 in (1920) |
| March 27 | 80.1°F (1910) | 1.9°F (1996) | 1.10 in (1950) |
| March 28 | 79.0°F (1910) | 1.0°F (1923) | 0.96 in (1995) |
| March 29 | 82.9°F (1910) | 1.9°F (1969) | 1.04 in (1977) |
| March 30 | 82.9°F (1986) | 0.0°F (1969) | 1.15 in (1974) |
| March 31 | 79.0°F (1978) | 1.9°F (1969) | 3.55 in (1998) |