Key West Weather on Tuesday, October 20, 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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• Miami28° / 19°209 km
• Sanibel Island28° / 21°212 km
• Fort Myers28° / 16°232 km
• Fort Lauderdale27° / 23°248 km
• Siesta Key26° / 16°311 km
• Clearwater26° / 16°395 km
• Homosassa Springs25° / 12°479 km
• Silver Springs24° / 13°519 km

Frequently asked questions

Will it rain in Key West on Tuesday, October 20, 2026?

Most likely not: the chance of rain is 11%.

What will the temperature be in Key West on Tuesday, October 20, 2026?

A high of 28°C and a low of 23°C are expected. Conditions: overcast.

What time are sunrise and sunset in Key West on October 20, 2026?

Sunrise is at 07:27 and sunset at 18:55 (local time); day length 11 h 29 min.

How reliable is this forecast?

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