Rockford, Sunday, 9 August, 03:31
Partly cloudy. Feels like 62°. High 82°, low 62°.
In March, Rockford, IL averages a high of 45.5° and a low of 28.4°. About 2.6 inches of precipitation fall over the month (10 wet days). The record high is 78.8° (2012) and the record low -13.7° (2002). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 39.2° | 23.2° | 25% | 61.7° (1992) | -12.3° (1962) |
| 2 | 37.9° | 21.9° | 22% | 61.5° (1992) | -3.6° (1962) |
| 3 | 38.8° | 22.5° | 25% | 70° (1974) | -10.1° (2014) |
| 4 | 40.3° | 23.5° | 38% | 68.9° (2024) | -13.7° (2002) |
| 5 | 39.6° | 24.1° | 45% | 65.7° (1983) | -7.8° (2015) |
| 6 | 41° | 23.7° | 22% | 65.3° (1983) | -6.3° (1960) |
| 7 | 41.2° | 25.2° | 27% | 72.5° (2000) | 0.9° (1999) |
| 8 | 41.7° | 25.5° | 30% | 68.4° (2000) | -6.5° (1982) |
| 9 | 42.1° | 25.2° | 37% | 63.3° (2021) | -5.6° (1975) |
| 10 | 43.2° | 26.1° | 27% | 66° (2025) | -3.6° (2003) |
| 11 | 44.8° | 26.6° | 25% | 69.1° (1990) | -1.7° (1998) |
| 12 | 44.8° | 27.3° | 35% | 73° (1990) | -0.8° (1998) |
| 13 | 45° | 28.4° | 27% | 70.9° (2007) | 5.5° (2014) |
| 14 | 46.8° | 29.3° | 23% | 74.8° (2012) | -2.4° (1993) |
| 15 | 46.2° | 27.7° | 23% | 75.6° (2012) | 4.5° (1975) |
| 16 | 46° | 28.4° | 22% | 75.6° (2012) | 10° (2017) |
| 17 | 45.7° | 29.1° | 33% | 75.2° (2012) | 9.3° (2014) |
| 18 | 46° | 29.8° | 27% | 76.5° (2012) | 3.7° (1965) |
| 19 | 46.9° | 30.7° | 38% | 74.5° (2012) | -1.1° (1965) |
| 20 | 47.3° | 30.4° | 38% | 78.3° (2012) | -7.4° (1965) |
| 21 | 47.5° | 30.4° | 22% | 78.8° (2012) | -2.2° (1965) |
| 22 | 47.5° | 30° | 33% | 75.6° (2012) | 6.3° (1983) |
| 23 | 47.8° | 29.7° | 32% | 67.6° (1994) | 5.4° (1992) |
| 24 | 47.8° | 30.4° | 38% | 73.2° (2017) | 5.5° (1965) |
| 25 | 47.5° | 31.5° | 32% | 75.2° (2007) | 0.9° (1960) |
| 26 | 49.1° | 31.8° | 32% | 74.7° (2007) | 7.5° (1960) |
| 27 | 49.8° | 32.7° | 35% | 73.8° (1989) | -4.2° (1965) |
| 28 | 51.3° | 34° | 42% | 75.6° (2025) | 18.5° (1970) |
| 29 | 50.9° | 33.6° | 33% | 76.1° (1986) | 5.4° (1964) |
| 30 | 52.5° | 34.2° | 37% | 74.1° (1967) | 4.3° (1964) |
| 31 | 52.9° | 34.9° | 42% | 76.3° (1986) | 4.1° (1969) |