Key West Weather on Wednesday, October 21, 2026

What to wear and what to watch out for

• Mild weather: light clothing is enough.
• High UV index (7): sunscreen, a hat and sunglasses are recommended.

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• Miami29° / 26°209 km
• Sanibel Island28° / 19°212 km
• Fort Myers28° / 17°232 km
• Fort Lauderdale29° / 25°248 km
• Siesta Key28° / 17°311 km
• Clearwater26° / 20°395 km
• Homosassa Springs26° / 14°479 km
• Silver Springs27° / 14°519 km

Frequently asked questions

Will it rain in Key West on Wednesday, October 21, 2026?

Most likely not: the chance of rain is 10%.

What will the temperature be in Key West on Wednesday, October 21, 2026?

A high of 27°C and a low of 25°C are expected. Conditions: overcast.

What time are sunrise and sunset in Key West on October 21, 2026?

Sunrise is at 07:27 and sunset at 18:55 (local time); day length 11 h 27 min.

How reliable is this forecast?

Forecasts for the first 3 days are usually highly accurate; this page is updated about every 30 minutes.