Kiawah Island, South Carolina Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Kiawah Island weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast10%—89°81°—
- MondayJul 6Overcast14%—89°81°0°
- TuesdayJul 7Thunderstorm32%0.02″93°78°+4°
- WednesdayJul 8Light Drizzle32%—93°78°0°
- ThursdayJul 9Light Drizzle14%—96°78°+3°
- FridayJul 10Partly Cloudy16%—94°79°-2°
- SaturdayJul 11Partly Cloudy38%—94°80°0°
AQI 24 (Good), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline). Ozone at AQI 30 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 7 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 4 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 30 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 7 around 1 PM.
- Present
- AQI 30
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 4.6 µg/m³, PM10 at 6.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.75
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:33 PM
- Moonset
- 11:33 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Kiawah Island at a glance
- Today vs. normal: 81°F — typical for the season
- Last frost: March 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — Kiawah Island
- Sun89°81°10%
- Mon89°81°14%
- Tue93°78°32%
- Wed93°78°32%
- Thu96°78°14%
- Fri94°79°16%
- Sat94°80°38%
- Sun95°78°41%
- Mon88°74°38%
- Tue87°70°29%
- Wed89°74°23%
- Thu90°73°56%
- Fri87°73°45%
- Sat84°75°59%
- Sun88°75°48%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Kiawah Island
SPC includes Kiawah Island in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Kiawah Island
- 29455