FPUS62 KKEY 221959 SFTKEY STZ000-230900- Tabular State Forecast for the Florida Keys National Weather Service Key West FL 358 PM EDT Sat Aug 22 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 Sun 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 Shwrs Ptcldy Ptcldy Sunny 84/89 83/89 83/89 83/89 83/89 83/90 84/90 20/20 20/20 30/30 60/60 30/30 30/30 30/40 ...Middle Keys... Marathon Sunny Sunny Sunny Shwrs Ptcldy Sunny Ptcldy 82/90 82/90 82/90 83/90 84/90 83/91 83/91 20/20 20/20 30/30 60/60 40/40 30/30 40/40 ...Lower Keys... Key West Ptcldy Sunny Sunny Shwrs Sunny Sunny Ptcldy 82/92 83/92 82/92 83/92 83/92 83/92 83/93 10/10 10/10 20/20 50/50 30/30 30/30 40/40 $$