Fontana Dam, NC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fontana Dam, a town in Graham County, North Carolina.
Today
86°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 11am and noon, then a chance of showers and thunderstorms between noon and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers and thunderstorms. Partly sunny, with a high near 86. East northeast wind around 1 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Fontana Dam
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 mph ENE | 80% |
| Tonight | 64°F | Showers And Thunderstorms Likely then Areas Of Fog | 2 mph ESE | 60% |
| Wednesday | 85°F | Chance Showers And Thunderstorms | 2 mph E | 89% |
| Wednesday Night | 66°F | Showers And Thunderstorms Likely | 2 mph SSE | 66% |
| Thursday | 86°F | Showers And Thunderstorms | 3 mph S | 90% |
| Thursday Night | 66°F | Showers And Thunderstorms then Mostly Cloudy | 2 mph SSE | 77% |
| Friday | 87°F | Chance Showers And Thunderstorms | 2 mph S | 79% |
| Friday Night | 65°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 2 mph SSE | 69% |
| Saturday | 86°F | Showers And Thunderstorms | 2 mph SW | 83% |
| Saturday Night | 66°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 2 mph S | 83% |
| Sunday | 87°F | Showers And Thunderstorms Likely | 2 mph SW | 71% |
| Sunday Night | 67°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 1 mph SSW | 71% |
| Monday | 87°F | Showers And Thunderstorms Likely | 1 mph SW | 58% |
| Monday Night | 68°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 1 mph SSW | 58% |
Forecast source: National Weather Service (api.weather.gov) for Fontana Dam (35.433, -83.825). Updated through the day.
Growing snapshot for Fontana Dam
Last spring frost
Apr 13
First fall frost
Oct 26
Growing season
194 days
Hardiness zone
7b
More local growing data for Fontana Dam: nearby ZIP 28733 weather · frost dates · planting calendar · North Carolina frost dates
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Climate data from the nearest NOAA station, Robbinsville Ag 5 Ne, Nc (5.6 mi from Fontana Dam). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.