Frost dates for Otis 2 NE, OR
At Otis 2 NE, the median last spring frost (32°F) is Apr 4 and the median first fall frost is Nov 16, for a typical growing season of 227 days. For a 90% chance that the last frost has passed, wait until May 3. Nearby ZIP codes are in USDA hardiness zones 9a to 9b.
- Apr 4Last spring frost (median)50% chance of 32°F after this date
- May 3Safer planting date10% chance of 32°F after this date
- Nov 16First fall frost (median)50% chance of 32°F by this date
- 227 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 | May 3 | May 22 |
| 32°F | Mar 2 | Apr 4 | May 3 |
| 28°F | Dec 26 | Feb 18 | Mar 24 |
| 24°F | Dec 1 | Jan 8 | Feb 21 |
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 | Oct 4 | Oct 25 | Nov 14 |
| 32°F | Oct 26 | Nov 16 | Dec 12 |
| 28°F | Nov 10 | Dec 8 | Jan 30 |
| 24°F | Nov 21 | Dec 24 | Feb 10 |
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 | 146 days | 172 days | 203 days |
| 32°F | 189 days | 227 days | 264 days |
| 28°F | 250 days | 300 days | 348 days |
| 24°F | 313 days | 362 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 94% |
| 24°F | 48% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 97368 | 9a | 20 to 25°F | 2 km |
| 97364 | 9a | 20 to 25°F | 6 km |
| 97149 | 9a | 20 to 25°F | 9 km |
| 97367 | 9a | 20 to 25°F | 14 km |
| 97388 | 9b | 25 to 30°F | 19 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 USC00356366, at 45.0333, -123.9239, elevation 46 m (150 ft).
- Data quality: Standard (24+ years of data), 29 years of freeze data.
- Average days per year at or below 32°F: 32.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Cloverdale (19 km)
- Laurel Mountain (30 km)
- Newport 3n (40 km)
- Falls City 2 SSW (43 km)
- Newport (45 km)
- Tillamook 6se (46 km)
- Newport 1 SE (46 km)
- Tillamook (47 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.