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Gresham, OR Weather on April 20
April 20th in Gresham, OR typically brings mild spring weather, with average highs around 63°F and lows near 43°F. Over 53 years of records, the warmest April 20th was in 2016 (67°F average), while the coldest was 2008 (41°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 53% of April 20th dates historically, with the wettest April 20th recording 1.8" of rain. The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
What to Expect on April 20
Planning for April 20th in Gresham, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
April 20 Weather Records for Gresham
- •The all-time record high for April 20th in Gresham, OR is 82°F, set in 2016.
- •The coldest April 20th on record dropped to 32°F in 2007.
- •A freeze (32°F or below) has occurred on April 20th in 1 of the last 53 years.
Frequently Asked Questions
What was the warmest April 20 ever in Gresham?
The warmest April 20 in Gresham, OR reached 82°F in 2016. That is 19°F above the long-term average high of 63°F.
What was the coldest April 20 ever in Gresham?
The coldest April 20 in Gresham, OR dropped to 32°F in 2007. That is 11°F below the long-term average low of 43°F.
What is the average temperature on April 20 in Gresham?
On April 20, Gresham averages a high of 63°F and a low of 43°F based on 53 years of NOAA weather observations from PORTLAND TROUTDALE AP.
How many years of weather data are available for April 20 in Gresham?
We have 53 years of weather records for April 20 in Gresham, OR, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
April 20 Weather History in Gresham
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 58°F | 47°F | 0.1" | -- |
| 2024 | 67°F | 52°F | -- | -- |
| 2023 | 50°F | 34°F | 0.94" | -- |
| 2022 | 50°F | 44°F | 0.53" | -- |
| 2021 | 74°F | 48°F | 0" | -- |
| 2020 | 71°F | 39°F | 0" | -- |
| 2019 | 65°F | 51°F | 0" | -- |
| 2018 | 69°F | 38°F | 0" | -- |
| 2017 | 60°F | 43°F | 0.25" | -- |
| 2016 | 82°F | 51°F | 0.03" | -- |
| 2015 | 81°F | 43°F | 0" | -- |
| 2014 | 65°F | 42°F | 0" | -- |
| 2013 | 60°F | 48°F | 0.23" | -- |
| 2012 | 59°F | 45°F | 0.23" | -- |
| 2011 | 59°F | 34°F | 0.05" | -- |
| 2010 | 57°F | 46°F | 0.33" | -- |
| 2009 | 82°F | 42°F | 0" | -- |
| 2008 | 48°F | 34°F | 0.18" | -- |
| 2007 | 61°F | 32°F | 0" | -- |
| 2006 | 68°F | 41°F | 0.03" | -- |
| 2005 | 66°F | 39°F | 0" | -- |
| 2004 | 52°F | 43°F | 0.53" | -- |
| 2003 | 63°F | 43°F | 0.08" | -- |
| 2002 | 59°F | 44°F | 0" | -- |
| 2001 | 58°F | 42°F | 0.66" | -- |
| 2000 | 70°F | 42°F | 0" | -- |
| 1999 | 56°F | 43°F | 0" | -- |
| 1998 | 67°F | 38°F | -- | -- |
| 1997 | 65°F | 47°F | 0.18" | -- |
| 1996 | 56°F | 39°F | 0.1" | -- |
| 1995 | 52°F | 42°F | 0.86" | -- |
| 1994 | 71°F | 45°F | 0" | -- |
| 1993 | 68°F | 43°F | 0" | -- |
| 1992 | 68°F | 49°F | 0.25" | -- |
| 1991 | 78°F | 47°F | 0" | -- |
| 1990 | 66°F | 52°F | 0.2" | -- |
| 1989 | 74°F | 53°F | 0.13" | -- |
| 1988 | 68°F | 44°F | 0.53" | -- |
| 1987 | 60°F | 33°F | 0" | -- |
| 1986 | 71°F | 42°F | 0" | -- |
| 1984 | 60°F | 43°F | 0.3" | -- |
| 1983 | 65°F | 51°F | 0.25" | -- |
| 1982 | 61°F | 38°F | 0" | -- |
| 1980 | 66°F | 48°F | 0.71" | -- |
| 1979 | 56°F | 40°F | 0" | -- |
| 1978 | 64°F | 42°F | 0.53" | -- |
| 1977 | 62°F | 35°F | 0" | -- |
| 1976 | 54°F | 48°F | 1.8" | -- |
| 1975 | 56°F | 33°F | 0" | -- |
| 1974 | 57°F | 44°F | 0.38" | -- |
| 1973 | 58°F | 40°F | 0" | -- |
| 1972 | 55°F | 39°F | 0" | -- |
| 1971 | 65°F | 42°F | 0.05" | -- |
Based on 53 years of data from NOAA station: PORTLAND TROUTDALE AP
Monthly Climate Averages
Historical temperature and precipitation averages for Gresham, OR, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.