Erwin, NC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Erwin, a town in Harnett County, North Carolina.
Tonight
71°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 71. North wind around 2 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Erwin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Showers And Thunderstorms Likely | 2 mph N | 74% |
| Saturday | 85°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph NE | 36% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 7 mph NE | 39% |
| Sunday | 89°F | Mostly Sunny | 2 mph E | 12% |
| Sunday Night | 70°F | Mostly Clear | 2 mph S | 12% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph SW | 53% |
| Monday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 mph E | 61% |
| Tuesday | 84°F | Showers And Thunderstorms Likely | 3 to 9 mph NE | 63% |
| Tuesday Night | 66°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 8 to 12 mph NE | 63% |
| Wednesday | 79°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 12 to 15 mph NE | 34% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms | 9 to 15 mph NE | 34% |
| Thursday | 78°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 14 mph N | 17% |
| Thursday Night | 61°F | Slight Chance Showers And Thunderstorms | 6 to 13 mph N | 17% |
| Friday | 78°F | Slight Chance Rain Showers then Partly Sunny | 10 mph N | 15% |
Forecast source: National Weather Service (api.weather.gov) for Erwin (35.322, -78.674). Updated through the day.
Growing snapshot for Erwin
Last spring frost
Mar 28
First fall frost
Nov 7
Growing season
226 days
Hardiness zone
8a
More local growing data for Erwin: nearby ZIP 28339 weather · frost dates · planting calendar · North Carolina frost dates
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Climate data from the nearest NOAA station, Dunn 4 Nw, Nc (2.7 mi from Erwin). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.