FPUS62 KKEY 160800 SFTKEY STZ000-162100- Tabular State Forecast for the Florida Keys National Weather Service Key West FL 400 AM EDT Fri Oct 16 2026 ROWS INCLUDE... Daily predominant daytime weather 6AM-6PM Forecast temperatures...early morning low/daytime high Probability of precipitation nighttime 6PM-6AM/daytime 6AM-6PM - indicates temperatures below zero MM indicates missing data FCST FCST FCST FCST FCST FCST FCST Today Sat Sun Mon Tue Wed Thu Oct 16 Oct 17 Oct 18 Oct 19 Oct 20 Oct 21 Oct 22 ...Upper Keys... Key Largo Sunny Tstrms Tstrms Shwrs Sunny Sunny Sunny /86 80/85 78/83 77/83 76/83 75/83 74/83 /30 60/60 70/80 80/60 60/30 30/30 30/40 ...Middle Keys... Marathon Ptcldy Tstrms Tstrms Shwrs Sunny Sunny Sunny /88 80/86 78/85 77/85 76/85 76/85 75/84 /30 50/50 80/90 90/60 60/30 30/30 30/40 ...Lower Keys... Key West Ptcldy Tstrms Tstrms Shwrs Sunny Sunny Sunny /89 79/87 77/86 76/86 76/86 75/86 75/85 /30 60/60 90/90 90/60 60/30 30/30 30/30 $$