Charleston, SC Hourly Forecast
Charleston temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 3 PM - around 92°
- Coolest hour: 6 AM - around 80°
- Highest rain chance: 8 AM (28%) - pack accordingly
- UV peak: 1 PM at index 10 - sun protection recommended
- Windiest: 5 PM at 12 mph
Charleston hourly weather - Friday, July 17
In Charleston, expect a high near 92°F (34°C) around 3 PM and a low of 84°F (29°C) near 11 PM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 1 PM | Sunny | 92° | 109° | 4% | 10 mph S | 66% | 10 | |
| 2 PM | Sunny | 92° | 110° | 4% | 11 mph S | 66% | 10 | |
| 3 PM | Sunny | 92° | 111° | 4% | 12 mph SSE | 67% | 8 | |
| 4 PM | Sunny | 92° | 110° | 5% | 12 mph S | 69% | 6 | |
| 5 PM | Sunny | 90° | 109° | 6% | 12 mph S | 73% | 4 | |
| 6 PM | Sunny | 89° | 105° | 7% | 11 mph S | 74% | 2 | |
| 7 PM | Sunny | 87° | 100° | 7% | 9 mph S | 74% | 0 | |
| 8 PM | Sunny | 86° | 98° | 8% | 8 mph S | 77% | 0 | |
| 9 PM | Clear | 85° | 99° | 11% | 8 mph S | 83% | 0 | |
| 10 PM | Clear | 85° | 97° | 11% | 7 mph S | 84% | 0 | |
| 11 PM | Clear | 84° | 96° | 12% | 7 mph S | 85% | 0 |
Charleston hourly weather - Saturday, July 18
In Charleston, expect a high near 90°F (32°C) around 1 PM and a low of 80°F (27°C) near 6 AM; precipitation risk peaks at 47% around 11 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 84° | 96° | 12% | 8 mph SSW | 87% | 0 | |
| 1 AM | Clear | 84° | 95° | 12% | 9 mph SSW | 86% | 0 | |
| 2 AM | Clear | 82° | 88° | 11% | 8 mph SSW | 82% | 0 | |
| 3 AM | Clear | 81° | 87° | 12% | 7 mph SSW | 83% | 0 | |
| 4 AM | Clear | 81° | 86° | 12% | 6 mph SSW | 83% | 0 | |
| 5 AM | Clear | 80° | 85° | 11% | 5 mph SSW | 84% | 0 | |
| 6 AM | Clear | 80° | 83° | 11% | 6 mph S | 84% | 0 | |
| 7 AM | Sunny | 81° | 86° | 11% | 7 mph S | 84% | 0 | |
| 8 AM | Patchy rain nearby | 83° | 91° | 28% | 8 mph S | 77% | 1 | |
| 9 AM | Sunny | 86° | 94° | 7% | 10 mph SSW | 71% | 2 | |
| 10 AM | Sunny | 87° | 96° | 5% | 10 mph SSW | 66% | 4 | |
| 11 AM | Sunny | 88° | 97° | 4% | 11 mph SSW | 63% | 7 | |
| 12 PM | Sunny | 89° | 98° | 3% | 11 mph S | 59% | 10 | |
| 1 PM | Sunny | 90° | 98° | 3% | 12 mph S | 58% | 11 | |
| 2 PM | Sunny | 90° | 99° | 3% | 14 mph S | 58% | 11 | |
| 3 PM | Sunny | 90° | 99° | 3% | 14 mph SSW | 59% | 9 | |
| 4 PM | Sunny | 89° | 98° | 4% | 14 mph SSW | 61% | 6 | |
| 5 PM | Sunny | 88° | 97° | 4% | 14 mph S | 63% | 4 | |
| 6 PM | Sunny | 87° | 96° | 5% | 14 mph S | 67% | 2 | |
| 7 PM | Sunny | 85° | 94° | 6% | 13 mph SSW | 72% | 0 | |
| 8 PM | Sunny | 83° | 91° | 8% | 13 mph SSW | 76% | 0 | |
| 9 PM | Clear | 83° | 89° | 8% | 13 mph SSW | 77% | 0 | |
| 10 PM | Clear | 82° | 89° | 9% | 12 mph SSW | 78% | 0 | |
| 11 PM | Patchy rain nearby | 82° | 89° | 47% | 12 mph SSW | 79% | 0 |
Charleston hourly weather - Sunday, July 19
In Charleston, expect a high near 90°F (32°C) around 2 PM and a low of 79°F (26°C) near 7 AM; precipitation risk peaks at 40% around 5 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 83° | 90° | 9% | 12 mph SSW | 78% | 0 | |
| 1 AM | Patchy rain nearby | 83° | 90° | 19% | 12 mph SW | 78% | 0 | |
| 2 AM | Clear | 82° | 89° | 9% | 12 mph SW | 78% | 0 | |
| 3 AM | Clear | 82° | 88° | 9% | 11 mph SW | 78% | 0 | |
| 4 AM | Patchy rain nearby | 82° | 87° | 20% | 9 mph SW | 79% | 0 | |
| 5 AM | Patchy rain nearby | 80° | 83° | 40% | 9 mph WSW | 81% | 0 | |
| 6 AM | Clear | 79° | 77° | 11% | 9 mph WSW | 81% | 0 | |
| 7 AM | Patchy rain nearby | 79° | 75° | 21% | 9 mph WSW | 80% | 0 | |
| 8 AM | Patchy rain nearby | 81° | 86° | 33% | 11 mph SW | 77% | 1 | |
| 9 AM | Sunny | 84° | 90° | 6% | 12 mph SW | 69% | 2 | |
| 10 AM | Sunny | 86° | 92° | 4% | 13 mph SW | 61% | 4 | |
| 11 AM | Sunny | 88° | 94° | 3% | 14 mph SW | 56% | 7 | |
| 12 PM | Sunny | 90° | 96° | 2% | 15 mph SSW | 54% | 9 | |
| 1 PM | Sunny | 90° | 97° | 2% | 16 mph SSW | 54% | 10 | |
| 2 PM | Sunny | 90° | 98° | 3% | 17 mph SSW | 55% | 10 | |
| 3 PM | Sunny | 90° | 98° | 3% | 17 mph SSW | 58% | 9 | |
| 4 PM | Sunny | 89° | 98° | 4% | 17 mph SSW | 60% | 6 | |
| 5 PM | Sunny | 88° | 97° | 4% | 16 mph SSW | 63% | 4 | |
| 6 PM | Sunny | 87° | 95° | 5% | 16 mph SSW | 66% | 2 | |
| 7 PM | Sunny | 85° | 94° | 6% | 15 mph SSW | 72% | 0 | |
| 8 PM | Sunny | 84° | 91° | 8% | 15 mph SSW | 76% | 0 | |
| 9 PM | Clear | 83° | 90° | 9% | 14 mph SSW | 78% | 0 | |
| 10 PM | Clear | 83° | 90° | 10% | 14 mph SSW | 78% | 0 | |
| 11 PM | Clear | 83° | 90° | 9% | 14 mph SSW | 76% | 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 80°F (27°C) around 6 AM up to 92°F (34°C) near 3 PM - about 4°F (2°C) above the typical July high of 88°F (31°C).
A stray shower can't be ruled out - Rain chances top out at 28% around 8 AM. UV reaches 10 (1 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.