April weather in Lake Oswego, OR
The average temperature in Lake Oswego in April is 53.4°F (43.3°F–63.5°F). Average precipitation: 3.84 inches.
April is a spring month in Lake Oswego, and is cooler than the annual average of 55.4°F. Daily temperatures swing about 20.2°F between overnight low and afternoon high. Daylight averages about 13h 17m. For travel, April is a comfortable month to visit.
Avg High
63.5°F
Avg Low
43.3°F
Precipitation
3.84 in
Daylight
13h 17m
April records in Lake Oswego
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 80.1°F (1992) | 28.9°F (2008) | 2.21 in (1931) |
| April 2 | 78.1°F (1992) | 28.0°F (1972) | 0.76 in (1917) |
| April 3 | 77.0°F (2000) | 30.0°F (1949) | 0.78 in (2023) |
| April 4 | 79.0°F (1966) | 30.0°F (1955) | 0.99 in (1919) |
| April 5 | 79.0°F (1996) | 30.9°F (1975) | 1.00 in (1991) |
| April 6 | 81.0°F (2007) | 28.9°F (1975) | 1.03 in (1980) |
| April 7 | 84.9°F (2016) | 30.9°F (1952) | 1.38 in (2019) |
| April 8 | 84.9°F (2016) | 30.0°F (1952) | 3.25 in (2006) |
| April 9 | 84.0°F (2016) | 30.0°F (1972) | 1.88 in (1971) |
| April 10 | 82.9°F (2004) | 30.9°F (1972) | 1.60 in (2023) |
| April 11 | 84.0°F (2004) | 30.9°F (2021) | 0.80 in (1981) |
| April 12 | 82.9°F (1989) | 30.9°F (1970) | 1.32 in (1955) |
| April 13 | 82.0°F (1989) | 28.9°F (1968) | 1.22 in (1967) |
| April 14 | 89.1°F (2004) | 32.0°F (1983) | 1.15 in (2002) |
| April 15 | 84.0°F (1990) | 32.0°F (2001) | 1.35 in (2011) |
| April 16 | 84.9°F (1999) | 30.9°F (1982) | 0.86 in (1973) |
| April 17 | 84.9°F (2021) | 32.0°F (1955) | 0.88 in (1987) |
| April 18 | 89.1°F (2016) | 30.0°F (1972) | 2.20 in (1969) |
| April 19 | 88.0°F (2016) | 30.0°F (1982) | 1.22 in (1965) |
| April 20 | 86.0°F (1956) | 30.9°F (1952) | 1.72 in (1958) |
| April 21 | 84.0°F (2009) | 32.0°F (1950) | 1.92 in (1988) |
| April 22 | 81.0°F (2012) | 28.9°F (1972) | 0.93 in (1961) |
| April 23 | 82.9°F (2012) | 32.0°F (1954) | 0.64 in (2003) |
| April 24 | 82.9°F (2018) | 33.1°F (1955) | 2.07 in (1969) |
| April 25 | 87.1°F (2004) | 32.0°F (1955) | 0.96 in (1967) |
| April 26 | 89.1°F (2004) | 33.1°F (1967) | 0.95 in (2010) |
| April 27 | 84.9°F (1980) | 30.9°F (1948) | 1.42 in (1962) |
| April 28 | 88.0°F (1957) | 30.9°F (1973) | 1.02 in (1969) |
| April 29 | 91.0°F (1957) | 33.1°F (1954) | 0.91 in (1913) |
| April 30 | 91.9°F (1998) | 32.0°F (1949) | 1.18 in (1992) |