Swannanoa, NC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Swannanoa, a community in Buncombe County, North Carolina.
Today
64°F
Light Rain Likely
Rain likely before 4pm, then rain likely and a slight chance of thunderstorms. Cloudy, with a high near 64. Southeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Swannanoa
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Light Rain Likely | 10 mph SE | 58% |
| Tonight | 58°F | Rain | 3 to 8 mph SE | 99% |
| Thursday | 71°F | Widespread Fog then Partly Sunny | 2 to 6 mph SSE | 13% |
| Thursday Night | 52°F | Mostly Cloudy then Slight Chance Light Rain | 5 mph WNW | 15% |
| Friday | 68°F | Mostly Sunny | 5 to 10 mph NW | 14% |
| Friday Night | 43°F | Mostly Clear | 8 to 13 mph NW | 2% |
| Saturday | 58°F | Sunny | 13 mph NW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 6 to 10 mph NW | 1% |
| Sunday | 60°F | Mostly Sunny | 6 to 9 mph NW | 2% |
| Sunday Night | 35°F | Mostly Clear | 7 to 13 mph NW | 2% |
| Monday | 60°F | Sunny | 9 to 13 mph NW | 0% |
| Monday Night | 36°F | Mostly Clear | 5 to 8 mph NW | 2% |
| Tuesday | 64°F | Sunny | 7 mph NW | 2% |
| Tuesday Night | 38°F | Mostly Clear | 7 mph NW | 3% |
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 Nov 4, 2026.