August weather in Westfield, WI
The average temperature in Westfield in August is 68.8°F (58.0°F–79.6°F). Average precipitation: 4.14 inches.
August is a summer month in Westfield, and is warmer than the annual average of 45.6°F. Daily temperatures swing about 21.6°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 49m. For travel, August is a comfortable month to visit.
Avg High
79.6°F
Avg Low
58.0°F
Precipitation
4.14 in
Daylight
13h 49m
August records in Westfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 97.0°F (2006) | 46.9°F (1992) | 0.76 in (2003) |
| August 2 | 102.9°F (1988) | 44.1°F (1965) | 1.24 in (1982) |
| August 3 | 99.0°F (1988) | 46.0°F (1985) | 0.81 in (1959) |
| August 4 | 97.0°F (1988) | 46.0°F (1971) | 1.93 in (1990) |
| August 5 | 95.0°F (1988) | 41.0°F (1957) | 2.38 in (1988) |
| August 6 | 90.0°F (1968) | 45.0°F (1992) | 1.31 in (2006) |
| August 7 | 93.0°F (1984) | 42.1°F (1975) | 2.47 in (1980) |
| August 8 | 97.0°F (2001) | 48.0°F (1955) | 3.30 in (2021) |
| August 9 | 93.0°F (2001) | 39.9°F (1964) | 2.98 in (1979) |
| August 10 | 93.9°F (2001) | 44.1°F (1982) | 0.85 in (2012) |
| August 11 | 89.1°F (1976) | 41.0°F (1967) | 0.84 in (2025) |
| August 12 | 93.0°F (2002) | 43.0°F (1982) | 0.89 in (1974) |
| August 13 | 93.0°F (1988) | 45.0°F (1964) | 1.93 in (1985) |
| August 14 | 91.9°F (1965) | 37.0°F (1964) | 2.14 in (2010) |
| August 15 | 93.0°F (2015) | 39.0°F (1992) | 1.48 in (1959) |
| August 16 | 91.9°F (1988) | 41.0°F (1992) | 1.41 in (2001) |
| August 17 | 99.0°F (1988) | 42.1°F (1992) | 2.20 in (2025) |
| August 18 | 100.0°F (1988) | 41.0°F (1963) | 1.55 in (1973) |
| August 19 | 96.1°F (1955) | 43.0°F (1963) | 2.81 in (2007) |
| August 20 | 97.0°F (1955) | 43.0°F (1956) | 1.11 in (1975) |
| August 21 | 99.0°F (1955) | 37.9°F (2004) | 1.42 in (2018) |
| August 22 | 93.9°F (1968) | 39.0°F (1967) | 0.86 in (2007) |
| August 23 | 95.0°F (1968) | 44.1°F (1965) | 2.67 in (2000) |
| August 24 | 100.0°F (2023) | 41.0°F (1984) | 2.27 in (1997) |
| August 25 | 93.0°F (2003) | 35.1°F (1958) | 4.50 in (2006) |
| August 26 | 93.0°F (1970) | 39.9°F (1964) | 1.25 in (2003) |
| August 27 | 93.9°F (1973) | 36.0°F (1968) | 1.30 in (1983) |
| August 28 | 96.1°F (1955) | 37.9°F (1965) | 5.89 in (2018) |
| August 29 | 96.1°F (1984) | 35.1°F (1965) | 3.01 in (2018) |
| August 30 | 97.0°F (1984) | 39.9°F (1965) | 0.87 in (1982) |
| August 31 | 93.0°F (1991) | 39.0°F (1985) | 1.25 in (1972) |