Weather on June 15
Hillsboro, OR
55 Years of Data
Avg High
71°F
Avg Low
49°F
Warmest
1988
72°F avg
Coldest
2010
50°F avg
About This Date
June 15th in Hillsboro, OR typically brings pleasant summer weather, with average highs around 71°F and lows near 49°F. Over 55 years of records, the warmest June 15th was in 1988 (72°F average), while the coldest was 2010 (50°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 38% of June 15th dates historically, with the wettest June 15th recording 0.99" of rain. The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.
Planning for June 15th in Hillsboro, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 40° | 58° | — | — |
| 2024 | 62° | 43° | 52° | 0.33" | — |
| 2023 | 77° | 41° | 59° | — | — |
| 2022 | 68° | 46° | 57° | — | — |
| 2021 | 70° | 48° | 59° | 0.18" | — |
| 2020 | 64° | 54° | 59° | 0.76" | — |
| 2019 | 80° | 47° | 63° | — | — |
| 2018 | 71° | 48° | 60° | — | — |
| 2017 | 61° | 53° | 57° | 0.89" | — |
| 2016 | 62° | 46° | 54° | 0.36" | — |
| 2015 | 90° | 54° | 72° | — | — |
| 2014 | 66° | 48° | 57° | 0.36" | — |
| 2013 | 80° | 45° | 62° | — | — |
| 2012 | 79° | 44° | 61° | — | — |
| 2011 | 65° | 47° | 56° | — | — |
| 2010coldest | 57° | 42° | 50° | 0.99" | — |
| 2009 | 77° | 52° | 64° | — | — |
| 2008 | 74° | 43° | 58° | — | — |
| 2007 | 68° | 54° | 61° | 0.05" | — |
| 2006 | 69° | 52° | 60° | 0.03" | — |
| 2005 | 70° | 39° | 54° | — | — |
| 2004 | 76° | 45° | 60° | — | — |
| 2003 | 77° | 47° | 62° | — | — |
| 2002 | 79° | 55° | 67° | — | — |
| 2001 | 68° | 44° | 56° | — | — |
| 2000 | 72° | 45° | 58° | — | — |
| 1999 | 72° | 58° | 65° | — | — |
| 1998 | 69° | 54° | 61° | 0.08" | — |
| 1997 | 82° | 55° | 69° | — | — |
| 1996 | 70° | 47° | 58° | — | — |
| 1995 | 65° | 53° | 59° | 0.08" | — |
| 1994 | 62° | 43° | 52° | 0.13" | — |
| 1993 | 75° | 56° | 65° | 0.28" | — |
| 1992 | 71° | 47° | 59° | — | — |
| 1991 | 65° | 49° | 57° | — | — |
| 1990 | 79° | 50° | 64° | — | — |
| 1989 | 65° | 53° | 59° | 0.1" | — |
| 1988warmest | 91° | 54° | 72° | — | — |
| 1987 | 81° | 53° | 67° | — | — |
| 1986 | 68° | 50° | 59° | 0.15" | — |
| 1985 | 73° | 55° | 64° | — | — |
| 1984 | 80° | 50° | 65° | — | — |
| 1983 | 70° | 50° | 60° | 0.3" | — |
| 1982 | 69° | 51° | 60° | — | — |
| 1981 | 69° | 42° | 56° | — | — |
| 1980 | 60° | 51° | 56° | 0.08" | — |
| 1979 | 67° | 49° | 58° | 0.41" | — |
| 1978 | 69° | 46° | 58° | 0.05" | — |
| 1977 | 73° | 45° | 59° | — | — |
| 1976 | 70° | 51° | 60° | 0.74" | — |
| 1975 | 69° | 49° | 59° | — | — |
| 1974 | 73° | 56° | 64° | — | — |
| 1973 | 65° | 46° | 55° | — | — |
| 1972 | 66° | 56° | 61° | 0.38" | — |
| 1971 | 69° | 41° | 55° | — | — |
55 years of data from HILLSBORO