Frost history / Easton, WA
Easton, WA: frost dates by year
Last spring and first fall frost at NOAA station USC00452384, 2003 to 2025, measured from daily minimum temperatures.
Elevation 2,170 ft, 47.242, -121.187. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 17 | Oct 12 |
| Earliest | May 6 (2025) | Sep 25 (2004) |
| Latest | Jun 14 (2024) | Nov 10 (2014) |
| Trend | 2.0 days later per decade | 2.6 days later per decade |
| Years with data | 11 | 11 |
At 28°F (hard freeze) the median last spring date is May 1 and the median first fall date is Oct 23.
The trend is a straight-line fit through the years with a freeze. A positive spring trend means the last frost now comes later. Short or patchy records give noisy trends.
Chart
Last spring frost (32°F)
First fall frost (32°F)
Dots are single years. The gray line is the median, the green line the fitted trend.
Year by year
| Year | Last spring 32°F | First fall 32°F | Last spring 28°F | First fall 28°F |
|---|---|---|---|---|
| 2025 | May 6 | Oct 14 | Apr 18 | Oct 14 |
| 2024 | Jun 14 | Sep 30 | May 2 | Oct 23 |
| 2023 | no data | Oct 26 | no data | Oct 27 |
| 2016 | no data | Oct 11 | no data | Oct 12 |
| 2014 | no data | Nov 10 | no data | Nov 11 |
| 2012 | May 11 | no data | May 11 | no data |
| 2011 | May 17 | no data | May 1 | no data |
| 2010 | May 24 | Oct 12 | May 7 | Oct 17 |
| 2009 | May 21 | no data | May 1 | no data |
| 2008 | May 9 | no data | May 2 | no data |
| 2007 | May 14 | Oct 20 | Apr 23 | Oct 26 |
| 2006 | no data | Oct 9 | no data | Oct 9 |
| 2005 | Jun 6 | Sep 28 | Apr 13 | Oct 27 |
| 2004 | May 13 | Sep 25 | Apr 3 | Sep 27 |
| 2003 | May 21 | Oct 24 | May 19 | Oct 31 |
"none" means the station recorded no freeze at that threshold in that half of the year. "no data" means more than 10% of the season's daily readings were missing. Years with no usable data are left out. See the methodology for the rules, and the ZIP lookup for 1991 to 2020 frost probabilities.