Helena, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Helena, a community in Newberry County, South Carolina.
Tonight
70°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and midnight, then a slight chance of showers and thunderstorms between midnight and 2am. Mostly cloudy, with a low around 70. North wind around 1 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Helena
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Chance Showers And Thunderstorms | 1 mph N | 36% |
| Saturday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 5 mph NE | 37% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 1 to 5 mph NE | 36% |
| Sunday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph E | 31% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 mph E | 31% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph S | 45% |
| Monday Night | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 mph E | 65% |
| Tuesday | 84°F | Showers And Thunderstorms Likely | 1 to 6 mph NE | 61% |
| Tuesday Night | 67°F | Showers And Thunderstorms Likely | 3 to 7 mph NE | 61% |
| Wednesday | 79°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 35% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 6 to 10 mph NE | 35% |
| Thursday | 78°F | Mostly Sunny | 8 mph NE | 13% |
| Thursday Night | 61°F | Partly Cloudy | 3 to 7 mph NE | 8% |
| Friday | 79°F | Mostly Sunny | 5 to 8 mph NE | 8% |
Forecast source: National Weather Service (api.weather.gov) for Helena (34.281, -81.644). Updated through the day.
Growing snapshot for Helena
Last spring frost
Mar 31
First fall frost
Nov 7
Growing season
223 days
Hardiness zone
8a
More local growing data for Helena: nearby ZIP 29108 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Newberry, Sc (1 mi from Helena). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.