Frost dates in Baltimore County, Maryland
The average last spring frost in Baltimore County falls Mar 24 to Apr 19 and the average first fall frost Oct 25 to Nov 21, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 7a to 8a. Places: Arbutus, Baltimore, Carney, Catonsville, Cockeysville, Dundalk. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.
| ZIP | Place | Last spring frost | First fall frost | Zone |
|---|---|---|---|---|
| 21013 | Fallston | Apr 2 | Nov 7 | 7b |
| 21023 | Apr 2 | Nov 7 | 7b | |
| 21030 | Cockeysville | Apr 2 | Nov 7 | 7b |
| 21031 | Cockeysville | Apr 2 | Nov 7 | 7b |
| 21051 | Apr 2 | Nov 7 | 7b | |
| 21052 | Edgemere | Mar 24 | Nov 21 | 8a |
| 21053 | Apr 19 | Oct 25 | 7a | |
| 21057 | Apr 2 | Nov 7 | 7b | |
| 21071 | Apr 2 | Nov 7 | 7a | |
| 21082 | Apr 2 | Nov 7 | 7b | |
| 21087 | Kingsville | Apr 10 | Oct 30 | 7b |
| 21093 | Timonium | Apr 2 | Nov 7 | 7b |
| 21105 | Apr 19 | Oct 25 | 7a | |
| 21111 | Apr 19 | Oct 25 | 7a | |
| 21117 | Owings Mills | Apr 2 | Nov 7 | 7a |
| 21120 | Apr 19 | Oct 25 | 7a | |
| 21128 | Honeygo | Apr 2 | Nov 7 | 7b |
| 21131 | Apr 2 | Nov 7 | 7b | |
| 21133 | Randallstown | Apr 2 | Nov 7 | 7a |
| 21136 | Reisterstown | Apr 2 | Nov 7 | 7a |
| 21152 | Apr 19 | Oct 25 | 7a | |
| 21153 | Pikesville | Apr 2 | Nov 7 | 7b |
| 21155 | Apr 19 | Oct 25 | 7a | |
| 21156 | Kingsville | Apr 10 | Oct 30 | 7b |
| 21162 | Honeygo | Mar 24 | Nov 21 | 8a |
| 21163 | Randallstown | Apr 2 | Nov 7 | 7b |
| 21204 | Towson | Apr 2 | Nov 7 | 7b |
| 21207 | Lochearn | Apr 2 | Nov 7 | 7b |
| 21208 | Pikesville | Apr 2 | Nov 7 | 7b |
| 21209 | Baltimore | Apr 2 | Nov 7 | 7b |
| 21219 | Edgemere | Mar 24 | Nov 21 | 8a |
| 21220 | Middle River | Mar 24 | Nov 21 | 8a |
| 21221 | Essex | Mar 24 | Nov 21 | 8a |
| 21222 | Dundalk | Mar 24 | Nov 21 | 8a |
| 21227 | Arbutus | Mar 24 | Nov 21 | 7b |
| 21228 | Catonsville | Mar 24 | Nov 21 | 7b |
| 21234 | Carney | Apr 2 | Nov 7 | 7b |
| 21236 | Perry Hall | Apr 2 | Nov 7 | 7b |
| 21237 | Rosedale | Mar 24 | Nov 21 | 8a |
| 21244 | Milford Mill | Apr 2 | Nov 7 | 7b |
| 21250 | Catonsville | Mar 24 | Nov 21 | 7b |
| 21252 | Towson | Apr 2 | Nov 7 | 7b |
| 21285 | Towson | Apr 2 | Nov 7 | 7b |
| 21286 | Hampton | Apr 2 | Nov 7 | 7b |
Nearby counties
Baltimore city Harford County Howard County Carroll County Anne Arundel County Kent County
All Maryland counties · Download Maryland frost dates (CSV)
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