Henagar, AL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Henagar, a city in Dekalb County, Alabama.
Today
83°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers and thunderstorms likely. Partly sunny, with a high near 83. North northeast wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Henagar
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Chance Showers And Thunderstorms | 0 to 5 mph NNE | 71% |
| Tonight | 67°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 mph | 63% |
| Wednesday | 83°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 71% |
| Wednesday Night | 68°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 23% |
| Thursday | 84°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 39% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSE | 39% |
| Friday | 85°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 35% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 35% |
| Saturday | 84°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 60% |
| Saturday Night | 69°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 60% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 49% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 49% |
| Monday | 85°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 49% |
| Monday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 49% |
Forecast source: National Weather Service (api.weather.gov) for Henagar (34.631, -85.731). Updated through the day.
Growing snapshot for Henagar
Last spring frost
Apr 7
First fall frost
Oct 30
Growing season
204 days
Hardiness zone
7b
More local growing data for Henagar: nearby ZIP 35978 weather · frost dates · planting calendar · Alabama frost dates
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Valley Head
Climate data from the nearest NOAA station, Valley Head 1 Ssw, Al (8.3 mi from Henagar). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.