Whitemarsh Island, Georgia Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Whitemarsh Island weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Thunderstorm10%—87°74°—
- TuesdayJun 16Thunderstorm64%0.04″81°74°-6°
- WednesdayJun 17Thunderstorm53%0.01″91°69°+10°
- ThursdayJun 18Overcast48%—94°70°+3°
- FridayJun 19Light Showers39%—92°71°-2°
- SaturdayJun 20Thunderstorm28%—83°71°-9°
- SundayJun 21Overcast11%—89°70°+6°
AQI 42 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 8.7 µg/m³, PM10 at 9.4 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 40. Overcast through the UV peak window (cloud cover ~67%) — afternoon ozone should stay flat.
- Present
- AQI 40
- UV peak
- 6.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 17
PM × Wind × Precip
PM2.5 at 8.7 µg/m³, PM10 at 9.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- Wind
- breezy
- 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).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:26 AM
- Moonset
- 8:39 PM
- In sign
- ♋︎ Cancer
Sun climbs to its northern throne
Whitemarsh Island at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: February 27 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Whitemarsh Island
- Mon87°74°10%
- Tue81°74°64%
- Wed91°69°53%
- Thu94°70°48%
- Fri92°71°39%
- Sat83°71°28%
- Sun89°70°11%
- Mon98°74°16%
- Tue89°73°29%
- Wed81°72°43%
- Thu84°71°38%
- Fri89°68°52%
- Sat94°69°55%
- Sun94°71°35%
- Mon92°74°27%
- Tue95°77°23%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 — Whitemarsh Island
SPC has placed Whitemarsh Island in the General Thunderstorms category for severe thunderstorms today.
- 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 Whitemarsh Island
- 31410