Port St. John, Florida Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Port St. John weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Showers46%0.65″92°74°—
- MondayJul 6Light Rain75%0.07″89°75°-3°
- TuesdayJul 7Thunderstorm72%—96°74°+7°
- WednesdayJul 8T-storm w/ Hail42%—95°75°-1°
- ThursdayJul 9Drizzle16%—96°74°+1°
- FridayJul 10Overcast13%—96°75°0°
- SaturdayJul 11Thunderstorm36%—97°74°+1°
AQI 23 (Good), driven by PM2.5. AQI down 16 over the last 6 hours — air quality is improving sharply.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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
- 11:34 PM
- Moonset
- 11:37 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Port St. John at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: February 6 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — Port St. John
- Sun92°74°46%
- Mon89°75°75%
- Tue96°74°72%
- Wed95°75°42%
- Thu96°74°16%
- Fri96°75°13%
- Sat97°74°36%
- Sun92°73°47%
- Mon90°74°36%
- Tue91°75°44%
- Wed90°75°34%
- Thu89°77°45%
- Fri87°76°46%
- Sat92°76°43%
- Sun94°76°39%
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 — Port St. John
SPC includes Port St. John 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 Port St. John
- 32927