Swannanoa, NC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Swannanoa, a community in Buncombe County, North Carolina.
Today
79°F
Showers And Thunderstorms Likely
A slight chance of rain showers between 10am and 11am, then showers and thunderstorms likely. Partly sunny, with a high near 79. East wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Swannanoa
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Showers And Thunderstorms Likely | 6 mph E | 70% |
| Tonight | 64°F | Chance Showers And Thunderstorms then Chance Rain Showers | 1 to 6 mph E | 54% |
| Wednesday | 80°F | Chance Showers And Thunderstorms | 1 to 6 mph SE | 88% |
| Wednesday Night | 64°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 1 to 5 mph SSE | 66% |
| Thursday | 82°F | Chance Showers And Thunderstorms | 1 to 6 mph S | 89% |
| Thursday Night | 64°F | Showers And Thunderstorms then Mostly Cloudy | 1 to 5 mph SSW | 78% |
| Friday | 83°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 6 mph SSW | 83% |
| Friday Night | 64°F | Showers And Thunderstorms Likely | 1 to 5 mph SSW | 73% |
| Saturday | 83°F | Partly Sunny then Showers And Thunderstorms | 3 mph WSW | 76% |
| Saturday Night | 64°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 3 mph WSW | 76% |
| Sunday | 84°F | Mostly Sunny then Showers And Thunderstorms Likely | 3 mph WNW | 63% |
| Sunday Night | 64°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 2 mph WNW | 63% |
| Monday | 84°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph WNW | 49% |
| Monday Night | 65°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph NW | 49% |
Forecast source: National Weather Service (api.weather.gov) for Swannanoa (35.601, -82.387). Updated through the day.
Growing snapshot for Swannanoa
Last spring frost
Apr 19
First fall frost
Oct 23
Growing season
184 days
Hardiness zone
7a
More local growing data for Swannanoa: nearby ZIP 28778 weather · frost dates · planting calendar · North Carolina frost dates
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Climate data from the nearest NOAA station, Black Mtn 2 W, Nc (2.2 mi from Swannanoa). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.