St. Augustine South, Florida Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
St. Augustine South weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Heavy Showers55%0.54″92°74°—
- MondayJul 6Overcast53%—90°74°-2°
- TuesdayJul 7Overcast32%—101°76°+11°
- WednesdayJul 8Overcast24%—101°76°0°
- ThursdayJul 9Showers20%0.27″100°74°-1°
- FridayJul 10Overcast10%—97°74°-3°
- SaturdayJul 11Light Drizzle21%—99°76°+2°
AQI 37 (Good), driven by PM2.5. AQI down 7 over the last 6 hours (gradual decline). PM2.5 at 7.4 µg/m³ (AQI 41) with a 0.85 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
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 33 now. With UV 2.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 around 1 PM.
- Present
- AQI 33
- UV peak
- 2.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 7.4 µg/m³ (AQI 41) with a 0.85 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.85
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:36 PM
- Moonset
- 11:39 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
St. Augustine South at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: February 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — St. Augustine South
- Sun92°74°55%
- Mon90°74°53%
- Tue101°76°32%
- Wed101°76°24%
- Thu100°74°20%
- Fri97°74°10%
- Sat99°76°21%
- Sun102°75°45%
- Mon100°76°40%
- Tue81°74°44%
- Wed90°72°29%
- Thu96°76°40%
- Fri84°71°43%
- Sat96°72°42%
- Sun95°75°45%
- Mon97°77°52%
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 — St. Augustine South
SPC includes St. Augustine South 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 St. Augustine South
- 32086