Frost dates for Quantico MCAS, VA
At Quantico MCAS, the median last spring frost (32°F) is Mar 28 and the median first fall frost is Nov 8, for a typical growing season of 226 days. For a 90% chance that the last frost has passed, wait until Apr 8. Nearby ZIP codes are in USDA hardiness zones 7a to 7b.
- Mar 28Last spring frost (median)50% chance of 32°F after this date
- Apr 8Safer planting date10% chance of 32°F after this date
- Nov 8First fall frost (median)50% chance of 32°F by this date
- 226 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 | Mar 27 | Apr 8 | Apr 25 |
| 32°F | Mar 14 | Mar 28 | Apr 8 |
| 28°F | Feb 28 | Mar 17 | Mar 30 |
| 24°F | Feb 13 | Mar 6 | Mar 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 15 | Oct 29 | Nov 10 |
| 32°F | Oct 28 | Nov 8 | Nov 25 |
| 28°F | Nov 7 | Nov 22 | Dec 10 |
| 24°F | Nov 19 | Dec 7 | Dec 29 |
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 | 181 days | 202 days | 222 days |
| 32°F | 208 days | 226 days | 248 days |
| 28°F | 231 days | 251 days | 275 days |
| 24°F | 253 days | 277 days | 306 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 |
|---|---|---|---|
| 22026 | 7b | 5 to 10°F | 7 km |
| 20640 | 7b | 5 to 10°F | 9 km |
| 22134 | 7a | 0 to 5°F | 10 km |
| 22554 | 7b | 5 to 10°F | 11 km |
| 22025 | 7b | 5 to 10°F | 11 km |
| 20662 | 7b | 5 to 10°F | 11 km |
| 22172 | 7a | 0 to 5°F | 12 km |
| 22191 | 7b | 5 to 10°F | 14 km |
| 20658 | 7b | 5 to 10°F | 15 km |
| 22556 | 7a | 0 to 5°F | 19 km |
| 20693 | 7b | 5 to 10°F | 19 km |
| 22125 | 7b | 5 to 10°F | 20 km |
| 22079 | 7b | 5 to 10°F | 21 km |
| 20677 | 7b | 5 to 10°F | 23 km |
| 22448 | 7b | 5 to 10°F | 30 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 USW00013773, at 38.5000, -77.3000, elevation 3 m (10 ft).
- Data quality: Standard (24+ years of data), 24 years of freeze data.
- Average days per year at or below 32°F: 76.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Fredericksburg Sewage (27 km)
- Manassas (31 km)
- Corbin (34 km)
- Vienna (44 km)
- Washington Reagan Airport (45 km)
- Warrenton 3 SE (45 km)
- Washington DC Dulles Airport (51 km)
- WFO Sterling (55 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.