Charleston, SC Hourly Forecast
Charleston temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 1 PM - around 90°
- Coolest hour: 7 AM - around 74°
- Highest rain chance: 4 PM (79%) - pack accordingly
- UV peak: 2 PM at index 9 - sun protection recommended
- Windiest: 5 PM at 10 mph
Charleston hourly weather - Wednesday, August 26
In Charleston, expect a high near 86°F (30°C) around 5 PM and a low of 79°F (26°C) near 11 PM; precipitation risk peaks at 79% around 4 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 2 PM | Heavy rain at times | 84° | 91° | 73% | 8 mph SSE | 69% | 9 | |
| 3 PM | Heavy rain at times | 85° | 94° | 77% | 9 mph SSE | 74% | 6 | |
| 4 PM | Heavy rain at times | 85° | 94° | 79% | 10 mph SSE | 75% | 4 | |
| 5 PM | Partly Cloudy | 86° | 91° | 6% | 10 mph SSE | 57% | 3 | |
| 6 PM | Cloudy | 84° | 88° | 11% | 9 mph SSE | 63% | 1 | |
| 7 PM | Overcast | 82° | 86° | 18% | 8 mph SSE | 72% | 0 | |
| 8 PM | Overcast | 81° | 85° | 20% | 8 mph SE | 75% | 0 | |
| 9 PM | Overcast | 81° | 85° | 20% | 6 mph S | 75% | 0 | |
| 10 PM | Light rain shower | 80° | 85° | 33% | 5 mph S | 76% | 0 | |
| 11 PM | Overcast | 79° | 84° | 22% | 5 mph SSW | 79% | 0 |
Charleston hourly weather - Thursday, August 27
In Charleston, expect a high near 91°F (33°C) around 2 PM and a low of 74°F (23°C) near 7 AM; precipitation risk peaks at 79% around 9 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Light rain shower | 78° | 83° | 38% | 4 mph SSW | 81% | 0 | |
| 1 AM | Overcast | 78° | 83° | 24% | 5 mph SSW | 82% | 0 | |
| 2 AM | Patchy rain nearby | 78° | 82° | 36% | 7 mph SSW | 81% | 0 | |
| 3 AM | Overcast | 77° | 82° | 25% | 7 mph SW | 83% | 0 | |
| 4 AM | Patchy rain nearby | 76° | 82° | 25% | 6 mph WSW | 86% | 0 | |
| 5 AM | Patchy rain nearby | 75° | 81° | 28% | 5 mph WSW | 86% | 0 | |
| 6 AM | Patchy rain nearby | 74° | 79° | 37% | 5 mph W | 87% | 0 | |
| 7 AM | Patchy rain nearby | 74° | 79° | 33% | 3 mph W | 88% | 0 | |
| 8 AM | Light rain shower | 75° | 81° | 40% | 3 mph W | 83% | 0 | |
| 9 AM | Light rain shower | 79° | 83° | 36% | 4 mph WSW | 75% | 2 | |
| 10 AM | Cloudy | 82° | 86° | 11% | 4 mph SW | 68% | 3 | |
| 11 AM | Light rain shower | 86° | 91° | 17% | 5 mph SSW | 60% | 6 | |
| 12 PM | Patchy rain nearby | 88° | 93° | 18% | 6 mph SSW | 54% | 5 | |
| 1 PM | Sunny | 90° | 95° | 2% | 7 mph SSW | 50% | 8 | |
| 2 PM | Patchy rain nearby | 91° | 97° | 17% | 9 mph S | 49% | 5 | |
| 3 PM | Cloudy | 89° | 95° | 9% | 11 mph S | 54% | 6 | |
| 4 PM | Patchy rain nearby | 85° | 91° | 15% | 10 mph SSW | 63% | 3 | |
| 5 PM | Partly Cloudy | 85° | 90° | 8% | 9 mph S | 64% | 1 | |
| 6 PM | Patchy rain nearby | 85° | 90° | 16% | 11 mph S | 66% | 1 | |
| 7 PM | Light rain shower | 80° | 85° | 54% | 7 mph S | 81% | 0 | |
| 8 PM | Partly Cloudy | 78° | 83° | 18% | 6 mph S | 86% | 0 | |
| 9 PM | Light rain shower | 78° | 83° | 79% | 7 mph SSW | 86% | 0 | |
| 10 PM | Light rain shower | 77° | 83° | 68% | 6 mph SW | 87% | 0 | |
| 11 PM | Overcast | 77° | 84° | 29% | 4 mph WSW | 89% | 0 |
Charleston hourly weather - Friday, August 28
In Charleston, expect a high near 93°F (34°C) around 2 PM and a low of 77°F (25°C) near 12 AM; precipitation risk peaks at 62% around 7 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Overcast | 77° | 85° | 28% | 2 mph SSW | 87% | 0 | |
| 1 AM | Overcast | 77° | 84° | 28% | 5 mph SSW | 87% | 0 | |
| 2 AM | Patchy rain nearby | 78° | 83° | 30% | 6 mph SSW | 88% | 0 | |
| 3 AM | Patchy rain nearby | 77° | 84° | 29% | 5 mph SSW | 87% | 0 | |
| 4 AM | Light rain shower | 77° | 82° | 42% | 7 mph SSW | 86% | 0 | |
| 5 AM | Light rain shower | 78° | 82° | 37% | 8 mph SSW | 86% | 0 | |
| 6 AM | Overcast | 78° | 82° | 26% | 8 mph SSW | 85% | 0 | |
| 7 AM | Moderate rain at times | 77° | 82° | 62% | 7 mph SW | 88% | 0 | |
| 8 AM | Sunny | 78° | 83° | 13% | 6 mph WSW | 86% | 0 | |
| 9 AM | Partly Cloudy | 81° | 86° | 10% | 6 mph WSW | 77% | 7 | |
| 10 AM | Partly Cloudy | 84° | 90° | 8% | 6 mph WSW | 66% | 7 | |
| 11 AM | Patchy rain nearby | 88° | 94° | 13% | 6 mph SW | 57% | 7 | |
| 12 PM | Partly Cloudy | 91° | 96° | 4% | 7 mph SW | 51% | 8 | |
| 1 PM | Patchy rain nearby | 92° | 98° | 8% | 8 mph SSW | 47% | 7 | |
| 2 PM | Sunny | 93° | 98° | 2% | 11 mph S | 45% | 8 | |
| 3 PM | Partly Cloudy | 91° | 96° | 3% | 13 mph S | 49% | 8 | |
| 4 PM | Cloudy | 90° | 94° | 8% | 12 mph S | 49% | 7 | |
| 5 PM | Cloudy | 87° | 92° | 10% | 12 mph S | 56% | 7 | |
| 6 PM | Overcast | 86° | 90° | 14% | 10 mph SSW | 61% | 6 | |
| 7 PM | Light rain shower | 83° | 88° | 54% | 6 mph SW | 68% | 6 | |
| 8 PM | Clear | 80° | 85° | 7% | 3 mph SW | 75% | 0 | |
| 9 PM | Partly Cloudy | 80° | 84° | 12% | 2 mph SSW | 77% | 0 | |
| 10 PM | Clear | 79° | 84° | 9% | 4 mph S | 80% | 0 | |
| 11 PM | Patchy rain nearby | 78° | 84° | 28% | 4 mph SW | 82% | 0 |
Quick answers for the hours ahead
What is the warmest hour in Charleston today?
Will it rain in Charleston tonight?
When is the UV index highest in Charleston today?
Charleston hour-by-hour: what to expect
Over the next 24 hours in Charleston, temperatures range from 74°F (23°C) around 7 AM up to 90°F (32°C) near 1 PM - about 4°F (2°C) above the typical August high of 86°F (30°C).
Precipitation is a real possibility: the chance of rain peaks at 79% around 4 PM. UV reaches 9 (2 PM) - sun protection recommended through midday.
The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the Charleston 14-day forecast or the monthly climate averages.