Mount Pleasant over the Ravenel Bridge into downtown Charleston. Early April on the coast: mild, humid, and breezy on the span.
By Brett Heimlich, part-time runner.
Plan for about 59°F (15°C) at the 08:00 start, feeling like 56°F (13°C), with 75% humidity and 11 mph wind, warming to roughly 68°F (20°C) by the finish. It rained on 2 of the last 10 race days. Wear: Short Sleeve Tech Shirt, Running Shorts, Running Shoes.
59°F (15°C)
68°F (20°C)
2 of 10 years
43° to 69°F
Advertisement
Conditions at the 08:00 start on the race's usual date each year (first Saturday of April). Years when the race was cancelled or moved still show that date's weather. Source: Open-Meteo ERA5 archive.
| Year | Start temp | Feels like | Finish | Humidity | Wind | Rain | Sky |
|---|---|---|---|---|---|---|---|
| 2025 | 69°F (21°C) | 72°F | 78°F | 93% | 8 mph | – | Overcast |
| 2024 | 47°F (8°C) | 39°F | 55°F | 58% | 12 mph | – | Clear |
| 2023 | 68°F (20°C) | 66°F | 74°F | 85% | 17 mph | – | Overcast |
| 2022 | 56°F (13°C) | 49°F | 66°F | 68% | 12 mph | – | Clear |
| 2021 | 43°F (6°C) | 35°F | 53°F | 54% | 8 mph | – | Clear |
| 2020 | 58°F (14°C) | 52°F | 71°F | 50% | 9 mph | – | Mostly clear |
| 2019 | 58°F (14°C) | 57°F | 73°F | 97% | 8 mph | – | Clear |
| 2018 | 66°F (19°C) | 65°F | 72°F | 82% | 12 mph | 0.95 in | Overcast |
| 2017 | 61°F (16°C) | 58°F | 73°F | 66% | 6 mph | – | Clear |
| 2016 | 65°F (18°C) | 63°F | 67°F | 92% | 14 mph | 0.71 in | Drizzle |
Coldest start: 43°F (6°C) in 2021. Warmest: 69°F (21°C) in 2025. Wettest: 0.95 in in 2018.
Built from the 10-year average start conditions by the same engine as the live tool. Treat optional items as corral-only layers you can shed.
Short Sleeve Tech Shirt
Breathable running tee
Running Shorts
Lightweight with built-in brief
Running Shoes
Your regular training shoes
✓ Worn by the author
Compression tight for 40 to 55°F, works under shorts
$78
✓ Worn by the author
Fast-drying micromesh tee for warm-weather miles
$75
Packable wind shell for cool morning miles
$115
✓ Worn by the author
Thin, ribbed quarter sock that keeps grit out
$36
As an Amazon Associate, we earn from qualifying purchases. Some links may earn a commission at no extra cost to you.
Over 2016 to 2025 the start averaged 59°F (15°C) (feels like 56°F (13°C)) with 75% humidity and 11 mph wind, warming to about 68°F (20°C) by the finish. It rained measurably on 2 of those 10 race days. The coldest start was 43°F (6°C) in 2021; the warmest was 69°F (21°C) in 2025.
For a typical 59°F (15°C) start: Short Sleeve Tech Shirt, Running Shorts, Running Shoes. Dress for about 15°F warmer than the start temperature, since the race itself adds that much, and plan to shed anything you only need in the corral.
The Cooper River Bridge Run is usually held on first Saturday of April. The next expected date is Saturday, April 3, 2027. Confirm on the official site, since dates occasionally move.
The live forecast on this page comes from Open-Meteo and unlocks 16 days before the race. Forecasts inside 7 days are reliable for temperature within a few degrees; rain timing firms up in the last 2 to 3 days. Until then, the 10-year history above is the best planning guide.
Get a what-to-wear call for the live forecast at your exact location, free, no signup.
Check your live running weatherAdvertisement