Frost dates for Morgantown L&d, WV
At Morgantown L&d, the median last spring frost (32°F) is Apr 26 and the median first fall frost is Oct 23, for a typical growing season of 180 days. For a 90% chance that the last frost has passed, wait until May 12. Nearby ZIP codes are in USDA hardiness zone 6b.
- Apr 26Last spring frost (median)50% chance of 32°F after this date
- May 12Safer planting date10% chance of 32°F after this date
- Oct 23First fall frost (median)50% chance of 32°F by this date
- 180 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 22 | May 6 | May 24 |
| 32°F | Apr 10 | Apr 26 | May 12 |
| 28°F | Mar 30 | Apr 14 | Apr 30 |
| 24°F | Mar 19 | Apr 2 | Apr 16 |
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 29 | Oct 13 | Oct 26 |
| 32°F | Oct 9 | Oct 23 | Nov 3 |
| 28°F | Oct 19 | Nov 1 | Nov 16 |
| 24°F | Nov 1 | Nov 11 | Nov 28 |
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 | 137 days | 159 days | 179 days |
| 32°F | 159 days | 180 days | 199 days |
| 28°F | 181 days | 203 days | 222 days |
| 24°F | 204 days | 224 days | 245 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 |
|---|---|---|---|
| 26506 | 6b | -5 to 0°F | 3 km |
| 26534 | 6b | -5 to 0°F | 4 km |
| 26543 | 6b | -5 to 0°F | 6 km |
| 26501 | 6b | -5 to 0°F | 6 km |
| 26546 | 6b | -5 to 0°F | 7 km |
| 26541 | 6b | -5 to 0°F | 16 km |
| 26544 | 6b | -5 to 0°F | 20 km |
| 26374 | 6b | -5 to 0°F | 20 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 USC00466212, at 39.6203, -79.9697, elevation 252 m (825 ft).
- Data quality: Representative (10+ years), 25 years of freeze data.
- Average days per year at or below 32°F: 113.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Morgantown Hart Field (5 km)
- Lake Lynn (15 km)
- Fairmont (23 km)
- Tygart Dam (35 km)
- Burton (38 km)
- Rowlesburg 1 (40 km)
- Terra Alta #1 (41 km)
- Clarksburg Benedum Airport (42 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.