Summit, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Summit, a town in Lexington County, South Carolina.
Today
86°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 1pm and 3pm, then showers and thunderstorms likely. Partly sunny, with a high near 86. East wind 2 to 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Summit
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph E | 63% |
| Tonight | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 5 mph E | 55% |
| Wednesday | 87°F | Patchy Fog then Chance Showers And Thunderstorms | 1 to 8 mph SE | 54% |
| Wednesday Night | 70°F | Showers And Thunderstorms Likely | 6 mph S | 57% |
| Thursday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 6 mph S | 52% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 1 to 5 mph S | 52% |
| Friday | 90°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 6 mph S | 32% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 1 to 5 mph S | 32% |
| Saturday | 90°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 1 to 6 mph S | 22% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms | 1 to 6 mph S | 22% |
| Sunday | 90°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 5 mph SW | 35% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms | 3 mph SW | 35% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 mph SW | 31% |
| Monday Night | 72°F | Chance Showers And Thunderstorms | 5 mph SW | 31% |
Forecast source: National Weather Service (api.weather.gov) for Summit (33.925, -81.423). Updated through the day.
Growing snapshot for Summit
Last spring frost
Mar 20
First fall frost
Nov 18
Growing season
244 days
Hardiness zone
8a
More local growing data for Summit: nearby ZIP 29070 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
Cayce
Chapin
Edmund
Fairview Crossroads
Gaston
Gilbert
Irmo
Lexington
Oak Grove
Pelion
Pine Ridge
Red Bank
South Congaree
Springdale
Swansea
West Columbia
White Knoll
All South Carolina locations ›
Climate data from the nearest NOAA station, Batesburg, Sc (5.3 mi from Summit). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.