Sumter, South Carolina Weather
Sumter, South Carolina — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for Sumter, Sumter County.
Tides, marine forecast and fishing conditions near Sumter. Tide source:
Full aviation weather for Sumter is published on the Sumter Airport (KSMS) page, 8 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 4 airfields within reach of Sumter have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Sumter: Shaw Air Force Base (KSSC) 13 km · Santee Cooper Regional Airport (KMNI) 39 km · Mc Entire Joint National Guard Base (KMMT) 42 km
Conditions reported at KSMS describe the airfield itself. Weather 8 km away can differ, particularly in terrain or near the coast. For conditions at Sumter specifically, see the current conditions and forecast above.
About Sumter, South Carolina
Sumter rests on a landscape that hums with the quiet persistence of the South Carolina lowcountry. It lies 38.2 miles west-south-west of Florence, SC (from Florence, SC: bearing 240°T), and is situated 5.1 miles north of Lakewood. The terrain here, generally flat and softened by centuries of growth, is punctuated by the verdant spread of pines and oaks, their canopies often a deep, emerald hue against the wide sky. During the humid summers, the air itself feels thick, carrying the faint, sweet scent of blooming magnolias and the distant murmur of cicadas, a constant hum that defines the season. The sun, when it breaks through, casts a diffused light, softening the edges of the world and lending a gentle glow to the weathered facades of older homes. This is a place where the land feels lived-in, shaped more by the slow accretion of seasons than by dramatic geological shifts. The history of Sumter is deeply intertwined with the fertile soil that surrounds it. Once a hub for cotton plantations, the legacy of that era still whispers through the stately homes and the enduring agricultural character of the region, though its economy has broadened considerably. Today, Sumter thrives on a diverse industrial base, with manufacturing plants humming alongside the ongoing cultivation of crops like cotton and corn, a testament to the land’s enduring bounty. The Shaw Air Force Base also plays a significant role, a modern counterpoint to the older rhythms of the town, bringing a different kind of energy to the community. Visitors might find themselves drawn to the Sumter Opera House, a historic landmark that has witnessed generations of local performances, or to the natural beauty of Lake Marion, a sprawling expanse of water that offers a tranquil escape.
Live animated radar for Sumter and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Sumter, Sumter County, South Carolina |
| Coordinates | 33.920435°N, 80.341469°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 29150, 29154, 29151, 29153 |
| Area Code | 803 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Sumter, South Carolina Weather Page
This page provides live weather conditions and forecasts for Sumter, South Carolina, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Sumter includes coordinates 33.920435°N, 80.341469°W, situated in Sumter County. ZIP code 29150, 29154, 29151, 29153. Telephone area code: 803. Timezone: Eastern Time (America/New_York).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
