The 2026 event has concluded.

Charleston Half Marathon

Charleston, SC, USA • January 31, 2026

Race Day Weather

31°

39° high

Breezy

Dry

Cool start, gradual warming

Runners will face a temperature increase from 34°F to 39°F during the race, with a gentle breeze from the ESE at 9 mph. Humidity levels will be moderate at 66%, making hydration essential. With no rain expected, runners can focus on maintaining a steady pace as conditions remain cool throughout.

5 AM

6 AM

7 AM

8 AM

9 AM

10 AM

11 AM

12 PM

1 PM

2 PM

3 PM

4 PM

Pre-raceRace windowPost-race

Course Map

FAQ

When is the 2026 Charleston Half Marathon?

The 2026 Charleston Half Marathon will be held on Saturday January 31, 2026.

What will the weather be like for the 2026 Charleston Half Marathon?

The forecast calls for a high of 43°F and a low of 22°F with a 0% chance of rain.

Historical Weather

Based on 2 years of data

Avg Temp

48°F

L:28° H:48°

RunScore

Conditions

Rain Freq

0 of 2 yrs

Wind10mph

Dew20°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Conditions	Low / High	Rain	Dew Point	Score
2025 Charleston Half Marathon Clear conditions throughout the day. 2025		27°/53°	-	23°
2024 Charleston Half Marathon Clear conditions throughout the day. 2024		30°/44°	-	20°

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