Blue Island, Sunday, 9 August, 02:27
Clear. Feels like 65°. High 84°, low 64°.
In March, Blue Island, IL averages a high of 44.7° and a low of 29.6°. About 3.0 inches of precipitation fall over the month (11 wet days). The record high is 79.5° (2012) and the record low -8.5° (2002). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 39.4° | 24.4° | 28% | 60.8° (1992) | -4.7° (1962) |
| 2 | 38.1° | 23.2° | 27% | 63.3° (1974) | -8.3° (1980) |
| 3 | 38.3° | 23.7° | 30% | 69.3° (1974) | 0.3° (2014) |
| 4 | 40.5° | 24.8° | 35% | 72.7° (2024) | -8.5° (2002) |
| 5 | 40.5° | 25.7° | 40% | 69.8° (2022) | -0.2° (1978) |
| 6 | 41° | 25.3° | 20% | 64.8° (1983) | -5.6° (1960) |
| 7 | 40.6° | 26.8° | 30% | 71.8° (2000) | 6.6° (1996) |
| 8 | 42.1° | 27° | 37% | 71.4° (2000) | -1.8° (1982) |
| 9 | 42.4° | 26.6° | 38% | 64.8° (2021) | 4.5° (1984) |
| 10 | 43° | 27.9° | 38% | 69.4° (2021) | 1.4° (2003) |
| 11 | 43.5° | 27.5° | 27% | 71.6° (1990) | 1.8° (1979) |
| 12 | 43.3° | 28.2° | 35% | 71.8° (1990) | 6.1° (1998) |
| 13 | 44.4° | 29.3° | 35% | 69.4° (1990) | 1.2° (2014) |
| 14 | 46° | 30.9° | 23% | 74.3° (2025) | 5.7° (1993) |
| 15 | 45.1° | 29.3° | 28% | 74.3° (2012) | 8.6° (1993) |
| 16 | 45.1° | 29.3° | 25% | 73.9° (2012) | 9.7° (2017) |
| 17 | 45° | 29.5° | 37% | 73.4° (2012) | 12.2° (1967) |
| 18 | 45.3° | 30° | 32% | 73.2° (2012) | 7° (1965) |
| 19 | 46° | 31.5° | 38% | 73.8° (2012) | 3° (1965) |
| 20 | 45.9° | 31.6° | 45% | 78.3° (2012) | 0.9° (1965) |
| 21 | 45.9° | 31.1° | 35% | 79.5° (2012) | 9° (1965) |
| 22 | 45.9° | 31.3° | 32% | 74.8° (2012) | 11.7° (1983) |
| 23 | 47.3° | 31.5° | 33% | 66° (2012) | 6.1° (1960) |
| 24 | 47.1° | 31.8° | 45% | 75.7° (2017) | 10.9° (1974) |
| 25 | 46° | 32.4° | 43% | 73.9° (2007) | 3.6° (1960) |
| 26 | 47.3° | 32.9° | 33% | 73.4° (2007) | 11.8° (1960) |
| 27 | 48.2° | 33.4° | 35% | 71.8° (1991) | -2.4° (1965) |
| 28 | 49.5° | 34.7° | 48% | 77° (2025) | 13.8° (1965) |
| 29 | 48.9° | 34.5° | 40% | 74.5° (1998) | 12.4° (1964) |
| 30 | 50.7° | 34.9° | 40% | 73.9° (1998) | 3.4° (1969) |
| 31 | 51.8° | 35.4° | 42% | 75.6° (1986) | 6.4° (1969) |