June weather in Foster City, CA
The average temperature in Foster City in June is 66.2°F (53.6°F–78.8°F). Average precipitation: 0.16 inches.
June is a summer month in Foster City, and is warmer than the annual average of 59.4°F. Daily temperatures swing about 25.2°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 14h 33m. For travel, June is one of the best months of the year to visit.
Avg High
78.8°F
Avg Low
53.6°F
Precipitation
0.16 in
Daylight
14h 33m
June records in Foster City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| June 1 | 102.9°F (1960) | 41.0°F (1955) | 0.12 in (2011) |
| June 2 | 108.0°F (1960) | 41.0°F (1971) | 0.43 in (1967) |
| June 3 | 105.1°F (1960) | 42.1°F (1934) | 0.39 in (1999) |
| June 4 | 100.0°F (1981) | 41.0°F (1962) | 0.42 in (2011) |
| June 5 | 97.0°F (1972) | 42.1°F (1932) | 0.38 in (1934) |
| June 6 | 97.0°F (1978) | 37.0°F (1945) | 0.52 in (1906) |
| June 7 | 99.0°F (1973) | 41.0°F (1979) | 0.13 in (2000) |
| June 8 | 102.9°F (1973) | 42.1°F (1950) | 0.15 in (1964) |
| June 9 | 100.9°F (1973) | 42.1°F (1979) | 0.60 in (1964) |
| June 10 | 100.9°F (1994) | 43.0°F (1972) | 0.22 in (1907) |
| June 11 | 102.0°F (2019) | 44.1°F (1956) | 0.11 in (1907) |
| June 12 | 93.9°F (1945) | 41.0°F (1968) | 0.18 in (1954) |
| June 13 | 104.0°F (1966) | 42.1°F (1968) | 0.16 in (1907) |
| June 14 | 108.0°F (1961) | 45.0°F (1959) | 0.05 in (1995) |
| June 15 | 109.0°F (1961) | 44.1°F (1935) | 0.13 in (1931) |
| June 16 | 100.9°F (1943) | 44.1°F (1933) | 0.60 in (1995) |
| June 17 | 102.9°F (2021) | 44.1°F (1932) | 0.27 in (2005) |
| June 18 | 102.0°F (1945) | 39.9°F (1975) | 0.12 in (1974) |
| June 19 | 102.9°F (1981) | 42.1°F (1933) | 0.15 in (1914) |
| June 20 | 102.9°F (1973) | 43.0°F (1933) | 0.02 in (1951) |
| June 21 | 104.0°F (1981) | 42.1°F (1933) | 0.02 in (1943) |
| June 22 | 100.0°F (1981) | 43.0°F (1933) | 0.00 in (1906) |
| June 23 | 100.9°F (1976) | 43.0°F (1933) | 1.00 in (1912) |
| June 24 | 104.0°F (1976) | 45.0°F (1934) | 0.11 in (1975) |
| June 25 | 102.0°F (1976) | 39.0°F (1975) | 0.00 in (1906) |
| June 26 | 102.9°F (1973) | 43.0°F (1950) | 0.03 in (1941) |
| June 27 | 104.0°F (1976) | 45.0°F (1964) | 0.04 in (1991) |
| June 28 | 100.0°F (1976) | 45.0°F (1969) | 0.36 in (2011) |
| June 29 | 102.9°F (1934) | 42.1°F (1949) | 0.10 in (1982) |
| June 30 | 102.9°F (1972) | 45.0°F (1933) | 0.11 in (1997) |