August weather in Port Washington, WI
The average temperature in Port Washington in August is 70.0°F (61.6°F–78.4°F). Average precipitation: 3.68 inches.
August is a summer month in Port Washington, and is warmer than the annual average of 46.7°F. Daily temperatures swing about 16.8°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 47m. For travel, August is one of the best months of the year to visit.
Avg High
78.4°F
Avg Low
61.6°F
Precipitation
3.68 in
Daylight
13h 47m
August records in Port Washington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1988) | 42.1°F (1904) | 2.01 in (2003) |
| August 2 | 98.1°F (2006) | 42.1°F (1920) | 1.88 in (1898) |
| August 3 | 96.1°F (1982) | 43.0°F (1920) | 1.17 in (1940) |
| August 4 | 96.1°F (1896) | 46.9°F (1901) | 5.28 in (1924) |
| August 5 | 100.0°F (1896) | 48.0°F (1912) | 2.31 in (1916) |
| August 6 | 100.9°F (1918) | 48.9°F (1994) | 1.30 in (1972) |
| August 7 | 97.0°F (1900) | 39.0°F (1904) | 1.44 in (1922) |
| August 8 | 96.1°F (1900) | 45.0°F (1926) | 2.50 in (1991) |
| August 9 | 97.0°F (1895) | 46.0°F (1922) | 2.04 in (1979) |
| August 10 | 97.0°F (1900) | 39.9°F (1901) | 1.92 in (1938) |
| August 11 | 95.0°F (1896) | 43.0°F (1902) | 1.60 in (1908) |
| August 12 | 88.0°F (1901) | 46.9°F (1967) | 1.65 in (1997) |
| August 13 | 91.0°F (1988) | 42.1°F (1977) | 1.98 in (2011) |
| August 14 | 96.1°F (1988) | 45.0°F (1924) | 2.38 in (2002) |
| August 15 | 93.9°F (1987) | 46.9°F (1902) | 1.60 in (1907) |
| August 16 | 102.0°F (1988) | 46.9°F (1902) | 2.04 in (1949) |
| August 17 | 102.9°F (1988) | 45.0°F (1924) | 1.10 in (1983) |
| August 18 | 96.1°F (1916) | 43.0°F (1924) | 2.73 in (1978) |
| August 19 | 98.1°F (1983) | 45.0°F (1897) | 2.10 in (1904) |
| August 20 | 93.9°F (1968) | 46.0°F (1907) | 2.19 in (2007) |
| August 21 | 98.1°F (1983) | 45.0°F (1902) | 2.01 in (1959) |
| August 22 | 95.0°F (2003) | 41.0°F (1923) | 1.50 in (1989) |
| August 23 | 93.9°F (1968) | 44.1°F (1920) | 1.15 in (2007) |
| August 24 | 91.0°F (1975) | 43.0°F (1920) | 2.18 in (1962) |
| August 25 | 93.0°F (1925) | 41.0°F (1920) | 1.75 in (1940) |
| August 26 | 91.9°F (1925) | 46.0°F (1896) | 2.10 in (1903) |
| August 27 | 98.1°F (1973) | 42.1°F (1986) | 2.45 in (1981) |
| August 28 | 100.9°F (1926) | 44.1°F (1965) | 2.22 in (1977) |
| August 29 | 93.9°F (1973) | 44.1°F (1965) | 0.71 in (1970) |
| August 30 | 93.9°F (1961) | 30.9°F (1901) | 2.74 in (1993) |
| August 31 | 95.0°F (1898) | 10.9°F (1906) | 1.17 in (1989) |