Weather on April 30
Hillsboro, OR
55 Years of Data
Avg High
66°F
Avg Low
41°F
Warmest
1998
73°F avg
Coldest
1986
43°F avg
About This Date
April 30th in Hillsboro, OR typically brings mild spring weather, with average highs around 66°F and lows near 41°F — a 25°F daily swing. Over 55 years of records, the warmest April 30th was in 1998 (73°F average), while the coldest was 1986 (43°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 42% of April 30th dates historically, with the wettest April 30th recording 3.35" of rain. The last decade has been 5.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.0°F cooler on this date compared to 20-30 years ago.
Planning for April 30th in Hillsboro, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 34° | 50° | — | — |
| 2024 | 54° | 41° | 47° | 1.22" | — |
| 2023 | 64° | 48° | 56° | — | — |
| 2022 | 58° | 44° | 51° | 0.53" | — |
| 2021 | 67° | 45° | 56° | 0.2" | — |
| 2020 | 65° | 40° | 52° | — | — |
| 2019 | 69° | 38° | 53° | — | — |
| 2018 | 57° | 46° | 52° | — | — |
| 2017 | 60° | 41° | 51° | — | — |
| 2016 | 70° | 38° | 54° | — | — |
| 2015 | 70° | 38° | 54° | — | — |
| 2014 | 82° | 43° | 62° | — | — |
| 2013 | 57° | 34° | 45° | 0.1" | — |
| 2012 | 58° | 44° | 51° | 0.2" | — |
| 2011 | 57° | 37° | 47° | — | — |
| 2010 | 57° | 38° | 47° | 0.03" | — |
| 2009 | 65° | 33° | 49° | — | — |
| 2008 | 54° | 33° | 43° | 0.03" | — |
| 2007 | 63° | 36° | 49° | — | — |
| 2006 | 62° | 34° | 48° | — | — |
| 2005 | 65° | 47° | 56° | — | — |
| 2004 | 83° | 41° | 62° | — | — |
| 2003 | 66° | 47° | 56° | 3.35" | — |
| 2002 | 76° | 37° | 56° | — | — |
| 2001 | 58° | 45° | 51° | 0.76" | — |
| 2000 | 73° | 49° | 61° | — | — |
| 1999 | 70° | 41° | 55° | 0.1" | — |
| 1998warmest | 90° | 57° | 73° | — | — |
| 1997 | 57° | 38° | 47° | 0.08" | — |
| 1996 | 67° | 44° | 55° | — | — |
| 1995 | 68° | 49° | 58° | 0.2" | — |
| 1994 | 63° | 42° | 52° | 0.1" | — |
| 1993 | 67° | 48° | 57° | — | — |
| 1992 | 68° | 48° | 58° | 0.91" | — |
| 1991 | 62° | 41° | 52° | — | — |
| 1990 | 58° | 36° | 47° | 0.03" | — |
| 1989 | 77° | 41° | 59° | — | — |
| 1988 | 54° | 38° | 46° | 0.94" | — |
| 1987 | 78° | 44° | 61° | 0.03" | — |
| 1986coldest | 53° | 32° | 43° | 0.1" | — |
| 1985 | 65° | 34° | 49° | — | — |
| 1984 | 53° | 42° | 48° | 0.74" | — |
| 1983 | 68° | 43° | 55° | 0.28" | — |
| 1982 | 61° | 33° | 47° | — | — |
| 1981 | 83° | 52° | 67° | — | — |
| 1980 | 62° | 38° | 50° | 0.05" | — |
| 1979 | 67° | 48° | 57° | — | — |
| 1978 | 60° | 46° | 53° | 0.05" | — |
| 1977 | 76° | 42° | 59° | 1.02" | — |
| 1976 | 82° | 48° | 65° | — | — |
| 1975 | 71° | 36° | 53° | — | — |
| 1974 | 67° | 45° | 56° | — | — |
| 1973 | 70° | 34° | 52° | — | — |
| 1972 | 60° | 30° | 45° | — | — |
| 1971 | 65° | 45° | 55° | — | — |
55 years of data from HILLSBORO