St. Augustine, Florida Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
St. Augustine weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Showers43%0.46″92°74°—
- MondayJul 6Overcast52%—91°74°-1°
- TuesdayJul 7Overcast29%—100°76°+9°
- WednesdayJul 8Light Drizzle23%—101°76°+1°
- ThursdayJul 9Overcast20%—100°77°-1°
- FridayJul 10Light Drizzle——98°75°-2°
- SaturdayJul 11Light Drizzle19%—97°75°-1°
AQI 39 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM2.5 at 7.7 µg/m³ (AQI 43) with a 0.88 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 0.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6 around 1 PM.
- Present
- AQI 33
- UV peak
- 0.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 7.7 µg/m³ (AQI 43) with a 0.88 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.88
- 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 at a glance
- Today vs. normal: 7°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.
15-Day Forecast — St. Augustine
- Sun92°74°43%
- Mon91°74°52%
- Tue100°76°29%
- Wed101°76°23%
- Thu100°77°20%
- Fri98°75°9%
- Sat97°75°19%
- Sun100°73°43%
- Mon92°70°39%
- Tue88°72°41%
- Wed92°73°27%
- Thu93°74°40%
- Fri93°75°43%
- Sat81°75°42%
- Sun91°74°45%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near St. Augustine
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
SPC includes St. Augustine 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
- 32080
- 32095
- 32084