Key West, Florida Weather
Midyear heat — the wet season grip. Day 15 of summer. Read this microseason across nine climate regions →
Key West weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Showers—0.07″89°80°—
- MondayJul 6Overcast——90°81°+1°
- TuesdayJul 7Overcast13%—87°84°-3°
- WednesdayJul 8Thunderstorm11%—87°85°0°
- ThursdayJul 9Thunderstorm——87°85°0°
- FridayJul 10Light Drizzle33%—87°85°0°
- SaturdayJul 11Light Drizzle33%—87°83°0°
AQI 29 (Good), driven by PM2.5. AQI down 6 over the last 6 hours (gradual decline). PM2.5 at 6.6 µg/m³ (AQI 37), ratio 0.60 with 10 mph wind — characteristic of long-range haze transport rather than a local source.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 6.6 µg/m³ (AQI 37), ratio 0.60 with 10 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.60
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:35 PM
- Moonset
- 11:42 AM
- In sign
- ♓︎ Pisces
Midyear heat — the wet season grip
Key West at a glance
- Today vs. normal: 85°F — typical for the season
- Last frost: January 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 33040
16-Day Forecast — Key West
- Sun89°80°5%
- Mon90°81°8%
- Tue87°84°13%
- Wed87°85°11%
- Thu87°85°4%
- Fri87°85°33%
- Sat87°83°33%
- Sun87°85°5%
- Mon87°85°3%
- Tue87°83°8%
- Wed86°85°8%
- Thu87°85°37%
- Fri86°85°42%
- Sat86°85°52%
- Sun87°85°45%
- Mon87°85°52%
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 — Key West
SPC includes Key West 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 Key West
- 33040
- 33041
- 33045