Largo, Florida Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
Largo weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Light Rain17%0.07″86°74°—
- ThursdayJun 4Rain—0.18″89°72°+3°
- FridayJun 5Light Drizzle——84°71°-5°
- SaturdayJun 6Overcast——88°75°+4°
- SundayJun 7Overcast13%—90°77°+2°
- MondayJun 8Light Drizzle28%—90°80°0°
- TuesdayJun 9Light Drizzle28%—89°80°-1°
PM2.5/PM10 ratio 0.69 with 14 mph wind — characteristic of long-range haze transport rather than a local source. AQI up 5 over the last 6 hours (gradual rise).
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 46. Overcast through the UV peak window (cloud cover ~65%) — afternoon ozone should stay flat.
- Present
- AQI 46
- UV peak
- 0.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5/PM10 ratio 0.69 with 14 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.69
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- transport
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).
The higher the clouds, the finer the weather.
- Moonrise
- 2:44 AM
- Moonset
- 1:06 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Largo at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: February 2 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, 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 — Largo
SPC has placed Largo in the General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- 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.