Frost dates for Romney 1 SW, WV
At Romney 1 SW, the median last spring frost (32°F) is Apr 26 and the median first fall frost is Oct 18, for a typical growing season of 172 days. For a 90% chance that the last frost has passed, wait until May 14. Nearby ZIP codes are in USDA hardiness zones 6b to 7a.
- Apr 26Last spring frost (median)50% chance of 32°F after this date
- May 14Safer planting date10% chance of 32°F after this date
- Oct 18First fall frost (median)50% chance of 32°F by this date
- 172 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 24 | May 8 | May 25 |
| 32°F | Apr 12 | Apr 26 | May 14 |
| 28°F | Mar 30 | Apr 12 | May 1 |
| 24°F | Mar 17 | Mar 31 | Apr 14 |
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 25 | Oct 8 | Oct 22 |
| 32°F | Oct 5 | Oct 18 | Nov 1 |
| 28°F | Oct 14 | Oct 30 | Nov 10 |
| 24°F | Oct 24 | Nov 6 | Nov 21 |
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 | 129 days | 151 days | 171 days |
| 32°F | 149 days | 172 days | 194 days |
| 28°F | 173 days | 197 days | 217 days |
| 24°F | 201 days | 220 days | 241 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 26757 | 7a | 0 to 5°F | 2 km |
| 26761 | 6b | -5 to 0°F | 10 km |
| 26704 | 6b | -5 to 0°F | 16 km |
| 26852 | 6b | -5 to 0°F | 16 km |
| 26763 | 7a | 0 to 5°F | 16 km |
| 25437 | 7a | 0 to 5°F | 19 km |
| 25431 | 7a | 0 to 5°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 USC00467730, at 39.3389, -78.7711, elevation 220 m (720 ft).
- Data quality: Representative (10+ years), 24 years of freeze data.
- Average days per year at or below 32°F: 133.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Keyser 2 SSW (22 km)
- Wardensville R M Farm (31 km)
- Moorefield 1 SSE (37 km)
- Lost River (44 km)
- Cacapon St. Pk #2 (45 km)
- Petersburg (49 km)
- Bayard (52 km)
- Davis 3se (63 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.