Columbia, SC Weather: December Rain Brings Wet Roads and Fog Through Weekend

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COLUMBIA, SC – Streetlights glisten off wet pavement and rising mist this morning as another round of December rain drenches the Midlands. The soft patter of steady showers has settled in, and for many across central South Carolina, umbrellas and headlights are must-haves heading into the day.

The National Weather Service in Columbia reports showers persisting through Saturday, with rainfall tapering only briefly late in the day. Temperatures will hold in the 40s to lower 50s, keeping conditions chilly and damp. A few pockets of light fog or drizzle may reduce visibility through the morning commute — especially along I-20, I-26, and US-378, where slick spots will linger on bridges and ramps.

Rain chances remain high through Saturday afternoon before gradual clearing late in the day. No flooding is expected, but with one-half inch to near an inch of total rainfall possible, travelers should allow extra time and avoid rushing through standing water.

By Sunday, skies turn partly sunny and mild, offering a brief break before temperatures dip slightly again early next week. Monday and Tuesday bring cool, breezy conditions under clear skies — a refreshing reset after a soggy stretch.

Looking ahead, longer-range models hint at a possible pattern shift by December 11–17, when colder air from the north could meet lingering moisture across the Southeast. While snow remains unlikely for Columbia, the setup could bring another bout of soaking rain and early-winter chill to the region.

For now, grab the rain gear and drive cautiously — puddled roads and patchy fog make for slow going this morning across the Midlands.


Five-Day Forecast for Columbia, SC:
Fri: 49/41 – Steady rain; fog in spots.
Sat: 53/40 – Cloudy; rain likely early.
Sun: 55/39 – Partly sunny; drier.
Mon: 51/26 – Breezy; mostly sunny.
Tue: 49/31 – Cool; clear skies.