Swannanoa, NC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Swannanoa, a community in Buncombe County, North Carolina.
Tonight
65°F
Slight Chance Showers And Thunderstorms then Patchy Fog
A slight chance of showers and thunderstorms before 11pm, then patchy fog. Partly cloudy, with a low around 65. West northwest wind 1 to 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Swannanoa
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Slight Chance Showers And Thunderstorms then Patchy Fog | 1 to 6 mph WNW | 22% |
| Saturday | 84°F | Patchy Fog then Chance Showers And Thunderstorms | 3 mph ENE | 47% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely then Patchy Fog | 1 to 5 mph E | 57% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 2 mph S | 80% |
| Sunday Night | 63°F | Showers And Thunderstorms Likely then Partly Cloudy | 2 mph W | 67% |
| Monday | 84°F | Showers And Thunderstorms | 3 mph ENE | 82% |
| Monday Night | 63°F | Showers And Thunderstorms | 3 mph E | 79% |
| Tuesday | 75°F | Showers And Thunderstorms | 5 mph ESE | 80% |
| Tuesday Night | 60°F | Showers And Thunderstorms | 5 to 9 mph E | 80% |
| Wednesday | 69°F | Chance Rain Showers then Chance Showers And Thunderstorms | 9 mph E | 54% |
| Wednesday Night | 56°F | Chance Showers And Thunderstorms | 5 to 8 mph E | 54% |
| Thursday | 69°F | Chance Rain Showers | 7 mph NE | 33% |
| Thursday Night | 54°F | Chance Rain Showers | 3 to 7 mph N | 33% |
| Friday | 72°F | Mostly Sunny then Slight Chance Rain Showers | 7 mph NNW | 23% |
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 Sep 19, 2026.