Newtown, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newtown, a community in Dillon County, South Carolina.
Tonight
71°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 10pm, then showers and thunderstorms likely between 10pm and midnight, then a chance of showers and thunderstorms between midnight and 2am. Mostly cloudy, with a low around 71. North wind around 2 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Newtown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Chance Showers And Thunderstorms | 2 mph N | 61% |
| Saturday | 88°F | Patchy Fog then Chance Showers And Thunderstorms | 1 to 6 mph N | 50% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 1 to 5 mph NE | 49% |
| Sunday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph NE | 35% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SE | 35% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph SE | 41% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 0 to 3 mph E | 43% |
| Tuesday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 7 mph NE | 54% |
| Tuesday Night | 67°F | Chance Showers And Thunderstorms | 5 to 9 mph NE | 54% |
| Wednesday | 81°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 13 mph NE | 33% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms | 8 to 14 mph NE | 33% |
| Thursday | 80°F | Slight Chance Rain Showers then Mostly Sunny | 13 mph N | 15% |
| Thursday Night | 62°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 15% |
| Friday | 80°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 9 mph N | 15% |
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
Nearby towns & communities
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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 Sep 19, 2026.