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Marion, SC Weather
Current conditions
Observed at Florence - Florence Regional Airport · 28 min ago
Forecast
10-day-
Today
Sunny, with a high near 75. North wind 3 to 9 mph, with gusts as high as 22 mph.
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Tonight
Clear, with a low around 48. North wind around 6 mph.
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Wednesday
Sunny, with a high near 72. North wind 5 to 8 mph, with gusts as high as 18 mph.
National Weather Service forecast updated 10 hrs ago.
Hourly
Hourly forecast- Now74°
- 5 PM74°
- 6 PM70°
- 7 PM64°
- 8 PM62°
- 9 PM60°
- 10 PM57°
- 11 PM56°
- Wed12 AM54°
- 1 AM53°
- 2 AM52°
- 3 AM51°
- 4 AM50°
- 5 AM50°
- 6 AM49°
- 7 AM48°
- 8 AM48°
- 9 AM53°
- 10 AM59°
- 11 AM63°
- 12 PM66°
- 1 PM68°
- 2 PM70°
- 3 PM71°
10-day forecast
Details- TodayOct 20Sunny48°75°
- WedOct 21Sunny42°72°
- ThuOct 22Sunny45°72°
- FriOct 23Sunny46°70°
- SatOct 24Sunny46°66°
- SunOct 25Sunny47°71°
- MonOct 26Sunny47°74°
- TueOct 27Mostly sunny44°75°
- WedOct 28Cloudy49°73°
- ThuOct 29Cloudy58°76°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news in South Carolina
More weather news-
Cold Mornings with Warmer Afternoons in South Carolina: October 20 forecastCooler mornings with warm afternoons ahead. Sunshine and comfortable temperatures expected this week in the Upstate. The forecast remains quiet this week as a high pressure keeps the area dry. Highs sit in the 70s with…
- Quiet weather ahead this week in South Carolina: October 19 forecast
Sunshine and comfortable temperatures expected this week in the Upstate. The forecast remains quiet this week as a high pressure keeps the area dry. Highs sit in the 70s with lows in the 40s. The temperatures will be…
- Cold start to Sunday in South Carolina: October 18 forecast
Frost and Freeze across the area this morning, warming up through the week. Afternoon highs will warm into the low to mid-60s by Sunday afternoon. Frost and freeze conditions remain possible Monday and Tuesday mornings…
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Storm Warnings Issued Off the North and South Carolina Coast as Conditions IntensifyStorm Warnings are in effect for offshore waters from Oregon Inlet, North Carolina, to Little River Inlet, South Carolina, with north winds of 35 to 40 knots, gusts to 50 knots and seas up to 18 feet. A nor’easter is…
- Cold and Breezy Saturday in South Carolina: Oct 17 forecast
Colder start this morning with breezy conditions through the afternoon. Highs plummet into the 50s and 60s and lows tumble into the 30s and 40s. Frost and freeze conditions are possible in the mountains Sunday, Monday…
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South Carolina's Drought Conditions ImprovePUBLISHED ON October 16, 2026 After reviewing drought indicators statewide, the DRC voted to reduce drought severity in 27 counties. The maps attached illustrate changes in drought status between the DRC’s September 8…
- Be ready for dense fog in South Carolina Friday morning
A report was issued from the NWS Columbia SC on Friday at 7:22 a.m. for dense fog until 9:30 a.m. The alert is for Central Orangeburg and Southeastern Orangeburg as well as Barnwell, Calhoun, Clarendon and Bamberg…
- Temperatures plummet this weekend in South Carolina: October 16 forecast
A weekend cold front drops temperatures this weekend in the Upstate Near-record heat is likely once again on Friday as highs warm to the 80s. Big changes arrive for the weekend after a cold front arrives. Strong winds…
- Record-breaking heat likely Thursday in South Carolina: October 15 forecast
Highs soar into the 80s to near 90° Record-breaking heat is likely once again Thursday afternoon in the Upstate of South Carolina, Western North Carolina and Northeast Georgia. Expect another hot afternoon on Thursday…
- Warming up this week in South Carolina: October 14 forecast
Warming up this week with record highs possible, major cool down this weekend. Highs stay well above average all the way through Friday this week. Midweek highs will challenge previous record highs in the mid to upper…
Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Florence and Darlington, SC reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyFlorence Regional Airport, records since 1948. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Florence 33 km
- Conway 50 km
- Red Hill 24 km
- Red Hill 53 km
- Bennettsville 55 km
- Lake City 47 km
- Dillon 27 km
- Darlington 46 km
- Mullins 14 km
- Tabor City 48 km
- Pembroke 59 km
- Fairmont 44 km
Forecasters' discussion
From the National Weather Service office in ILM, issued 7 hrs ago
What Has Changed
Adjusted dew points lower due to extremely dry air just above the mixed layer and adjusted temperatures based on observations from the last 24 hours with slightly warmer highs and colder lows.
Key Messages
1) A deep layer of northerly winds will maintain a dry Canadian airmass through the remainder of the week.
Discussion
KEY MESSAGE 1....A deep layer of northerly winds will maintain a dry Canadian airmass through the remainder of the week.
Persistent northerly low and mid level flow continues over the Carolinas between a ridge over the southern Plains and a nearly stationary low centered about 200 miles east of the northern Outer Banks. GFS HYSPLIT back-trajectories reveal the air parcels in our boundary layer this afternoon were 4-5km aloft over northern Canada 5-6 days ago, crossed 1-2km over the Great Lakes on Saturday, and then descended to near the surface over PA and the Mid Atlantic region yesterday.
Models show this pattern changing very little over the next few days which should maintain dry weather, clear skies, and generally below normal temperatures. The warmest day of the week may end up being today with mid 70s now forecast across most of the area. That's very close to normal for mid October.
New Canadian high pressure will expand south across the Great Lakes late this week. As the high moves south this weekend, our wind directions may veer easterly enough to bring more humidity onshore, but with sufficient ridging continuing aloft to maintain dry weather.
Aviation
VFR with FM groups only to address ILM's LLWS ending not long after sunrise, then the gustiness that ensues with daytime mixing. ILM may have LLWS again tonight.
Extended Outlook...VFR will continue through the period. Breezy northeasterly winds could gust to 25 knots at times Friday and Saturday.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.