Frost dates for Forks 1 E, WA
At Forks 1 E, the median last spring frost (32°F) is Apr 26 and the median first fall frost is Oct 25, for a typical growing season of 182 days. For a 90% chance that the last frost has passed, wait until May 10. Nearby ZIP codes are in USDA hardiness zones 8b to 9a.
- Apr 26Last spring frost (median)50% chance of 32°F after this date
- May 10Safer planting date10% chance of 32°F after this date
- Oct 25First fall frost (median)50% chance of 32°F by this date
- 182 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Apr 28 | May 14 | May 31 |
| 32°F | Apr 5 | Apr 26 | May 10 |
| 28°F | Feb 27 | Mar 27 | Apr 21 |
| 24°F | Dec 30 | Feb 19 | Mar 22 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Sep 20 | Oct 5 | Oct 24 |
| 32°F | Oct 6 | Oct 25 | Nov 15 |
| 28°F | Oct 23 | Nov 15 | Dec 9 |
| 24°F | Nov 8 | Dec 4 | Jan 16 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 121 days | 145 days | 168 days |
| 32°F | 158 days | 182 days | 210 days |
| 28°F | 200 days | 231 days | 274 days |
| 24°F | 253 days | 297 days | 347 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 97% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 98305 | 8b | 15 to 20°F | 12 km |
| 98381 | 9a | 20 to 25°F | 38 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00452914, at 47.9558, -124.3539, elevation 107 m (350 ft).
- Data quality: Standard (24+ years of data), 27 years of freeze data.
- Average days per year at or below 32°F: 60.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Quillayute State Airport (15 km)
- Clearwater (43 km)
- Elwha Ranger Station (57 km)
- Quinault 4 NE (64 km)
- Port Angeles Intl Airport (66 km)
- Port Angeles (71 km)
- Humptulips Salmon Hatchery (85 km)
- Aberdeen 20nne (91 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.