Berwyn, Sunday, 9 August, 03:00
Clear. Feels like 67°. High 84°, low 65°.
In January, Berwyn, IL averages a high of 30.2° and a low of 16.8°. About 2.2 inches of precipitation fall over the month (9 wet days). The record high is 63.1° (2008) and the record low -27.8° (2019). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 31.8° | 19.4° | 23% | 53.4° (2011) | -13.4° (1969) |
| 2 | 31.6° | 19.2° | 33% | 59.2° (2000) | -11.4° (1979) |
| 3 | 31.5° | 19.8° | 27% | 57° (2004) | -13.2° (1979) |
| 4 | 30.7° | 17.6° | 28% | 59.7° (1997) | -9.4° (1969) |
| 5 | 29.8° | 16° | 23% | 53.2° (1998) | -18.8° (1999) |
| 6 | 28.9° | 18.1° | 30% | 57.4° (2008) | -17.3° (2014) |
| 7 | 28.4° | 15.4° | 18% | 63.1° (2008) | -15.3° (2014) |
| 8 | 28.8° | 13.6° | 27% | 59° (1965) | -14.4° (1968) |
| 9 | 29.5° | 16.2° | 27% | 50.5° (2002) | -11.6° (1962) |
| 10 | 29.8° | 16.3° | 37% | 58.8° (1975) | -23.1° (1982) |
| 11 | 31.3° | 17.4° | 35% | 57.2° (2018) | -19.1° (1979) |
| 12 | 31.5° | 18.9° | 33% | 58.8° (2005) | -8.3° (1969) |
| 13 | 30.9° | 17.4° | 38% | 56.7° (2005) | -11° (1977) |
| 14 | 28.6° | 16.7° | 27% | 43.9° (2020) | -12.1° (2024) |
| 15 | 27.3° | 14.9° | 20% | 48.6° (1990) | -18.9° (1994) |
| 16 | 30° | 15.8° | 23% | 53.8° (1990) | -20.4° (2009) |
| 17 | 30.2° | 16.7° | 33% | 53.1° (1990) | -25.2° (1982) |
| 18 | 28.9° | 16.3° | 25% | 56.1° (1996) | -25.4° (1994) |
| 19 | 29.1° | 14.9° | 25% | 53.1° (2006) | -27.6° (1994) |
| 20 | 28.4° | 15.3° | 30% | 47.7° (2006) | -26° (1985) |
| 21 | 29.5° | 16.5° | 27% | 60.8° (2017) | -21.1° (1963) |
| 22 | 32.7° | 18.1° | 38% | 56.1° (2018) | -14.4° (1970) |
| 23 | 31.6° | 18.5° | 40% | 55.6° (1967) | -19.3° (1963) |
| 24 | 31.1° | 17.6° | 23% | 59.4° (1967) | -14.6° (1963) |
| 25 | 31.1° | 17.2° | 33% | 55.9° (1967) | -12.6° (1963) |
| 26 | 30.2° | 15.4° | 33% | 53.4° (2018) | -16.2° (2019) |
| 27 | 29.8° | 16° | 25% | 54.9° (2002) | -8.5° (2014) |
| 28 | 30.4° | 16.5° | 32% | 50.9° (1970) | -20.6° (1963) |
| 29 | 30.6° | 16.5° | 33% | 57.9° (2013) | -19.7° (1966) |
| 30 | 29.7° | 16.9° | 27% | 56.8° (1988) | -25.1° (2019) |
| 31 | 31.3° | 16.9° | 22% | 60.6° (1989) | -27.8° (2019) |