Mid-autumn · Weather & things to do
Key West in October
Key West edges cooler than September, with highs of 83°F (28°C), lows of 81°F (27°C) and about 4.6 in (116 mm) of rain.
Our comfort score puts it mid-table at 74/100, 8th of 12.

- Avg high
- 83°F (28°C)
- Avg low
- 81°F (27°C)
- Rain
- 4.6 in (116 mm)
- Humidity
- 77%
- Cloud cover
- 53%
- Daylight
- ~11 h 25 min
- Comfort score
- 74/100 · Good
What October feels like
Highs settle around 83°F (28°C), warm enough for short sleeves.
Nights stay warm too, with lows averaging 81°F (27°C).
Humidity averages 77%, so the air feels sticky and the heat feels stronger than the thermometer says.
Showers are part of the month, adding up to about 4.6 in (116 mm).
It's breezy, with average winds near 12 mph (5.2 m/s) at ground level.
Plan around October
October sits mid-table; the best months are November – April.
- Comfort improves from 58/100 in September to 74/100.
- Our Miami Beach Getaway route recommends Nov – Apr, so October falls outside its suggested window.
- Our Florida Keys Adventure route recommends Dec – May, so October falls outside its suggested window.
What to pack for October
- Light, breathable clotheshighs average 83°F
- Quick-dry fabrics77% average humidity
- Packable rain jacket or umbrellaa shower or two is likely
- Windproof shellaverage wind 12 mph
- Comfortable walking shoesmost picks involve some walking
What to do in Key West in October
With conditions on your side, the picks below favor time outside.
Blue Heaven
Bahama Village garden restaurant with roosters underfoot; famous for breakfast and tall key lime pie.
Why now October scores 74/100 for comfort, good conditions for being outside.
Mallory Square Sunset Celebration
Nightly sunset gathering on the harbor with street performers and food carts.
Why now Highs near 83°F and 4.6 in of monthly rain make this an easy outdoor pick.
Key West Lighthouse & Keeper's Quarters
88 steps to the top for views over Old Town, across the street from Hemingway's house.
Why now One to do outside while the weather is on your side.
Harry S. Truman Little White House
Truman's winter White House, shown on guided tours of the original rooms.
Sloppy Joe's Bar
Hemingway-era Duval Street bar with live music from noon to late.
The Green Parrot Bar
Locals' bar since 1890 with live music most nights and no TV screens.
Nearby in October
- Bahia Honda & the Lower Keys in October~33 mi · highs 83°F, 4.3 in rain · similar daytime temperatures, about as wet
- Everglades in October~75 mi · highs 83°F, 4.3 in rain · similar daytime temperatures, about as wet
- Key Largo in October~91 mi · highs 83°F, 4.5 in rain · similar daytime temperatures, about as wet
- Miami in October~130 mi · highs 82°F, 4.9 in rain · similar daytime temperatures, about as wet
These averages also cover Old Town & Duval Street.
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Key West in October: quick answers
Is October a good time to visit Key West?
It's middling, scoring 74/100. The best months are November – April, at up to 93. Expect highs of 83°F (28°C) and 4.6 in (116 mm) of rain. Our Miami Beach Getaway route recommends Nov – Apr, so October is outside its suggested window.
How hot is Key West in October?
Average highs are 83°F (28°C) and average lows 81°F (27°C), making it the 5th-warmest month by daytime highs.
Does it rain a lot in Key West in October?
Some: about 4.6 in (116 mm) of rain falls across October on average, the 5th-wettest month of the year. The annual total is about 41.5 in (1054 mm).
What should I pack for Key West in October?
Bring light, breathable clothes (highs average 83°F), quick-dry fabrics (77% average humidity), packable rain jacket or umbrella (a shower or two is likely), windproof shell (average wind 12 mph) and comfortable walking shoes (most picks involve some walking).
More on Key West
Planning Key West in October?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.






