Frost dates for Long Beach Exp. Station, WA
At Long Beach Exp. Station, the median last spring frost (32°F) is Apr 6 and the median first fall frost is Oct 26, for a typical growing season of 200 days. For a 90% chance that the last frost has passed, wait until Apr 28. Nearby ZIP codes are in USDA hardiness zones 8b to 9a.
- Apr 6Last spring frost (median)50% chance of 32°F after this date
- Apr 28Safer planting date10% chance of 32°F after this date
- Oct 26First fall frost (median)50% chance of 32°F by this date
- 200 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 15 | Apr 30 | May 18 |
| 32°F | Mar 16 | Apr 6 | Apr 28 |
| 28°F | Feb 9 | Mar 6 | Mar 30 |
| 24°F | Dec 16 | Feb 8 | Mar 1 |
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 22 | Oct 6 | Oct 27 |
| 32°F | Oct 4 | Oct 26 | Nov 16 |
| 28°F | Oct 22 | Nov 13 | Dec 15 |
| 24°F | Nov 3 | Dec 5 | Jan 24 |
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 | 131 days | 157 days | 181 days |
| 32°F | 170 days | 200 days | 233 days |
| 28°F | 218 days | 253 days | 295 days |
| 24°F | 263 days | 309 days | 356 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 94% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 98631 | 9a | 20 to 25°F | 3 km |
| 98644 | 9a | 20 to 25°F | 5 km |
| 98624 | 9a | 20 to 25°F | 6 km |
| 98614 | 8b | 15 to 20°F | 13 km |
| 98641 | 9a | 20 to 25°F | 23 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 USC00454748, at 46.3675, -124.0378, elevation 8 m (25 ft).
- Data quality: Standard (24+ years of data), 26 years of freeze data.
- Average days per year at or below 32°F: 41.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Naselle 2 ENE (22 km)
- Grays River Hatchery (37 km)
- Raymond 2 S (40 km)
- Grayland (48 km)
- Hoquiam Bowerman Airport (68 km)
- Aberdeen (68 km)
- Elma (86 km)
- Longview (90 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.