FPUS62 KKEY 231957 SFTKEY STZ000-240900- Tabular State Forecast for the Florida Keys National Weather Service Key West FL 357 PM EDT Sun Aug 23 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 Mon Tue Wed Thu Fri Sat Sun Aug 24 Aug 25 Aug 26 Aug 27 Aug 28 Aug 29 Aug 30 ...Upper Keys... Key Largo Sunny Sunny Tstrms Ptcldy Ptcldy Tstrms Tstrms 83/91 82/92 82/91 83/89 83/90 83/90 83/90 20/10 20/30 50/50 50/40 30/40 40/50 50/60 ...Middle Keys... Marathon Sunny Sunny Tstrms Shwrs Ptcldy Tstrms Tstrms 83/91 82/91 82/91 83/90 83/91 83/91 83/90 10/10 20/30 50/50 50/50 40/40 40/50 60/60 ...Lower Keys... Key West Sunny Sunny Tstrms Ptcldy Ptcldy Tstrms Tstrms 84/91 84/91 83/91 83/92 82/92 83/92 83/92 10/10 10/30 50/50 50/40 30/30 40/50 60/60 $$