St. James City, Florida Weather
Midyear heat — the wet season grip. Day 14 of summer. Read this microseason across nine climate regions →
St. James City weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast28%—91°79°—
- SundayJul 5Heavy Showers39%1.7″85°76°-6°
- MondayJul 6Thunderstorm42%—91°78°+6°
- TuesdayJul 7Light Drizzle16%—91°78°0°
- WednesdayJul 8Heavy Drizzle16%—92°78°+1°
- ThursdayJul 9Drizzle18%—93°78°+1°
- FridayJul 10Light Drizzle16%—93°77°0°
AQI 27 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 30 now. With UV 6.5 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 18 around 1 PM.
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 30 now. With UV 6.5 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 18 around 1 PM.
- Present
- AQI 30
- UV peak
- 6.5 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 18
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
- 11:05 PM
- Moonset
- 10:46 AM
- In sign
- ♓︎ Pisces
Midyear heat — the wet season grip
St. James City at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: January 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — St. James City
- Sat91°79°28%
- Sun85°76°39%
- Mon91°78°42%
- Tue91°78°16%
- Wed92°78°16%
- Thu93°78°18%
- Fri93°77°16%
- Sat92°79°22%
- Sun93°79°12%
- Mon93°81°15%
- Tue92°79°24%
- Wed97°77°40%
- Thu92°76°44%
- Fri94°78°45%
- Sat95°76°68%
- Sun94°80°61%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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. James City
SPC includes St. James City 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. James City
- 33956