Newtown, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newtown, a community in Dillon County, South Carolina.
This Afternoon
85°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Southeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Newtown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Chance Showers And Thunderstorms | 5 mph SE | 52% |
| Tonight | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 50% |
| Wednesday | 88°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 8 mph S | 46% |
| Wednesday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 7 mph S | 31% |
| Thursday | 90°F | Showers And Thunderstorms Likely | 1 to 7 mph S | 62% |
| Thursday Night | 73°F | Partly Cloudy | 1 to 6 mph S | 8% |
| Friday | 92°F | Chance Showers And Thunderstorms | 0 to 6 mph S | 27% |
| Friday Night | 71°F | Partly Cloudy | 0 to 6 mph S | 6% |
| Saturday | 90°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 7 mph S | 34% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 6 mph SW | 34% |
| Sunday | 91°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 42% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 42% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph SW | 27% |
| Monday Night | 74°F | Chance Showers And Thunderstorms | 5 mph SW | 27% |
Forecast source: National Weather Service (api.weather.gov) for Newtown (34.401, -79.357). Updated through the day.
Growing snapshot for Newtown
Last spring frost
Mar 28
First fall frost
Nov 8
Growing season
227 days
Hardiness zone
8b
More local growing data for Newtown: nearby ZIP 29536 weather · frost dates · planting calendar · South Carolina frost dates
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Climate data from the nearest NOAA station, Dillon, Sc (1.1 mi from Newtown). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.