Frost dates in Morris County, New Jersey
The average last spring frost in Morris County falls Apr 11 to Apr 30 and the average first fall frost Oct 17 to Oct 28, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6b to 7a. Places: Boonton, Brookside, Budd Lake, Cedar Knolls, Chatham, Chester. 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 |
|---|---|---|---|---|
| 07005 | Boonton | Apr 17 | Oct 23 | 6b |
| 07034 | Lake Hiawatha | Apr 17 | Oct 23 | 7a |
| 07035 | Lincoln Park | Apr 14 | Oct 28 | 7a |
| 07045 | Apr 17 | Oct 23 | 7a | |
| 07046 | Mountain Lakes | Apr 17 | Oct 23 | 6b |
| 07054 | Parsippany | Apr 17 | Oct 23 | 7a |
| 07058 | Pine Brook | Apr 17 | Oct 23 | 7a |
| 07082 | Towaco | Apr 17 | Oct 23 | 7a |
| 07405 | Kinnelon | Apr 25 | Oct 17 | 6b |
| 07438 | Oak Ridge | Apr 25 | Oct 17 | 6b |
| 07440 | Apr 14 | Oct 28 | 7a | |
| 07444 | Pompton Plains | Apr 19 | Oct 23 | 7a |
| 07457 | Riverdale | Apr 19 | Oct 23 | 7a |
| 07801 | Dover | Apr 17 | Oct 23 | 6b |
| 07803 | Apr 17 | Oct 23 | 6b | |
| 07828 | Budd Lake | Apr 25 | Oct 19 | 6b |
| 07834 | Rainbow Lakes | Apr 17 | Oct 23 | 6b |
| 07836 | Flanders | Apr 25 | Oct 19 | 6b |
| 07842 | Hibernia | Apr 17 | Oct 23 | 6b |
| 07847 | Kenvil | Apr 25 | Oct 19 | 6b |
| 07849 | Lake Hopatcong | Apr 25 | Oct 19 | 6b |
| 07850 | Landing | Apr 25 | Oct 19 | 6b |
| 07852 | Ledgewood | Apr 25 | Oct 19 | 6b |
| 07853 | Long Valley | Apr 26 | Oct 18 | 6b |
| 07856 | Mount Arlington | Apr 25 | Oct 19 | 6b |
| 07857 | Netcong | Apr 25 | Oct 19 | 6b |
| 07866 | White Meadow Lake | Apr 25 | Oct 17 | 6b |
| 07869 | Apr 17 | Oct 23 | 6b | |
| 07870 | Apr 30 | Oct 18 | 6b | |
| 07876 | Succasunna | Apr 25 | Oct 19 | 6b |
| 07878 | Mount Tabor | Apr 17 | Oct 23 | 6b |
| 07885 | Wharton | Apr 25 | Oct 19 | 6b |
| 07926 | Brookside | Apr 17 | Oct 23 | 6b |
| 07927 | Cedar Knolls | Apr 17 | Oct 23 | 7a |
| 07928 | Chatham | Apr 18 | Oct 27 | 7a |
| 07930 | Chester | Apr 26 | Oct 18 | 6b |
| 07932 | Florham Park | Apr 18 | Oct 27 | 7a |
| 07933 | Gillette | Apr 18 | Oct 27 | 7a |
| 07935 | Green Village | Apr 18 | Oct 27 | 7a |
| 07936 | Apr 18 | Oct 24 | 7a | |
| 07940 | Madison | Apr 18 | Oct 27 | 7a |
| 07945 | Mendham | Apr 26 | Oct 18 | 6b |
| 07946 | Millington | Apr 11 | Oct 28 | 7a |
| 07950 | Morris Plains | Apr 17 | Oct 23 | 6b |
| 07960 | Morristown | Apr 18 | Oct 27 | 7a |
| 07961 | Florham Park | Apr 18 | Oct 27 | 7a |
| 07970 | Apr 17 | Oct 23 | 6b | |
| 07976 | New Vernon | Apr 18 | Oct 27 | 7a |
| 07980 | Stirling | Apr 11 | Oct 28 | 7a |
| 07981 | Whippany | Apr 17 | Oct 23 | 7a |
Nearby counties
Essex County Passaic County Union County Sussex County Somerset County Warren County
All New Jersey counties · Download New Jersey frost dates (CSV)
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