Key West, Florida Weather
First trades stir the ceiba canopy. Day 78 of spring. Read this microseason across nine climate regions →
Key West weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Heavy Showers59%0.96″83°75°—
- SaturdayJun 6Heavy Showers25%0.79″84°76°+1°
- SundayJun 7Drizzle19%—83°81°-1°
- MondayJun 8Overcast18%—83°82°0°
- TuesdayJun 9Light Showers42%—84°83°+1°
- WednesdayJun 10Drizzle51%0.04″84°78°0°
- ThursdayJun 11Showers59%0.45″84°78°0°
AQI 36 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 36. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
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 36. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 36
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 8
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 5.6 µg/m³, PM10 to 8.4 µg/m³.
- PM2.5/PM10
- 0.67
- Wind
- breezy
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 3:53 AM
- Moonset
- 3:03 PM
- In sign
- ♒︎ Aquarius
First trades stir the ceiba canopy
Key West at a glance
- Today vs. normal: 11°F below the seasonal normal for this latitude
- Last frost: January 13 (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 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 — Key West
SPC has placed Key West in the General Thunderstorms category for severe thunderstorms today.
- 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.