National Weather ServiceMarylandFreeze WarningArchive to October 1, 2026
Freeze Warnings in Maryland
The National Weather Service issued 9 freeze warnings for Maryland in 2025 and 12 a year on average in 2008-2025; in 2021-2025 it had the 33rd most of any state. 2026 through September: 10, 53% above the average of 7 for those months in 2008-2025. Frederick was covered most often (66 times since 2008).
How many freeze warnings does Maryland get?
Every freeze warning that covered part of Maryland. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 10 |
| 2025 | 9 |
| 2024 | 6 |
| 2023 | 11 |
| 2022 | 11 |
| 2021 | 12 |
| 2020 | 24 |
| 2019 | 7 |
| 2018 | 13 |
| 2017 | 8 |
| 2016 | 20 |
| 2015 | 7 |
| 2014 | 11 |
| 2013 | 10 |
| 2012 | 42 |
| 2011 | 4 |
| 2010 | 10 |
| 2009 | 8 |
| 2008 | 7 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Maryland get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Maryland?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Frederick | 66 | 10 | April 21, 2026 |
| Carroll | 65 | 10 | April 21, 2026 |
| Washington | 61 | 11 | April 21, 2026 |
| Northern Baltimore | 59 | 9 | April 21, 2026 |
| Extreme Western Allegany | 53 | 7 | May 12, 2026 |
| Northwest Harford | 44 | 9 | April 21, 2026 |
| Cecil | 43 | 8 | April 21, 2026 |
| Central and Eastern Allegany | 42 | 5 | May 3, 2026 |
| Northwest Howard | 38 | 10 | April 21, 2026 |
| Northwest Montgomery | 37 | 10 | April 21, 2026 |
| Garrett | 36 | 3 | October 11, 2024 |
| Queen Anne's | 33 | 7 | April 21, 2026 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
What is a freeze warning?
A freeze warning means temperatures at or below 32°F are expected during the growing season, enough to kill crops and sensitive plants. Since 2024-2025 it also covers the colder nights that had a hard freeze warning of their own. A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. AreaZine's counts include the hard freeze warnings issued before the change. The national record · Every warning type in Maryland.