Summit, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Summit, a town in Lexington County, South Carolina.
Today
79°F
Mostly Sunny
Mostly sunny, with a high near 79. East wind around 10 mph.
7-day forecast for Summit
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Mostly Sunny | 10 mph E | 1% |
| Tonight | 57°F | Partly Cloudy then Areas Of Fog | 5 to 8 mph E | 2% |
| Wednesday | 80°F | Areas Of Fog then Mostly Cloudy | 6 to 10 mph SE | 4% |
| Wednesday Night | 62°F | Chance Light Rain | 5 to 8 mph SE | 33% |
| Thursday | 79°F | Chance Light Rain | 3 to 7 mph S | 46% |
| Thursday Night | 61°F | Chance Light Rain then Chance T-storms | 5 mph S | 50% |
| Friday | 77°F | Chance T-storms then Chance Light Rain | 3 to 8 mph SW | 50% |
| Friday Night | 54°F | Chance Light Rain | 5 mph W | 29% |
| Saturday | 75°F | Mostly Sunny | 6 mph NW | 9% |
| Saturday Night | 49°F | Partly Cloudy | 3 mph N | 5% |
| Sunday | 71°F | Mostly Sunny | 2 to 6 mph N | 7% |
| Sunday Night | 48°F | Slight Chance Light Rain | 6 mph NW | 15% |
| Monday | 66°F | Slight Chance Light Rain then Mostly Sunny | 5 to 10 mph NW | 15% |
| Monday Night | 42°F | Mostly Clear | 3 to 7 mph NW | 6% |
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
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Lexington
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Swansea
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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 Nov 3, 2026.