FPUS62 KKEY 230801 SFTKEY STZ000-232100- Tabular State Forecast for the Florida Keys National Weather Service Key West FL 401 AM 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 Today Mon Tue Wed Thu Fri Sat Aug 23 Aug 24 Aug 25 Aug 26 Aug 27 Aug 28 Aug 29 ...Upper Keys... Key Largo Ptcldy Sunny Sunny Tstrms Ptcldy Ptcldy Tstrms /92 83/91 82/92 82/91 83/89 83/89 83/89 /20 20/10 20/30 50/50 50/40 30/40 40/50 ...Middle Keys... Marathon Sunny Sunny Sunny Tstrms Shwrs Ptcldy Tstrms /91 83/91 82/91 82/91 82/90 83/90 83/90 /20 10/10 20/30 50/50 50/50 30/30 40/50 ...Lower Keys... Key West Sunny Sunny Sunny Tstrms Shwrs Ptcldy Tstrms /90 84/91 84/91 83/91 83/92 83/92 83/92 /10 10/10 10/30 50/50 50/50 30/30 50/50 $$