FPUS62 KKEY 170811 SFTKEY STZ000-172100- Tabular State Forecast for the Florida Keys National Weather Service Key West FL 411 AM EDT Fri Apr 17 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 Apr 17 Apr 18 Apr 19 Apr 20 Apr 21 Apr 22 Apr 23 ...Upper Keys... Key Largo Ptcldy Sunny Ptcldy Ptcldy Windy Ptcldy Ptcldy /81 74/80 74/81 74/81 72/77 71/77 72/78 /10 10/10 10/10 10/20 20/20 10/10 20/20 ...Middle Keys... Marathon Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy /82 75/83 76/84 75/83 73/79 71/80 72/80 /10 10/10 10/10 10/20 20/20 10/10 10/10 ...Lower Keys... Key West Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy /84 74/85 74/85 74/85 73/81 72/81 72/81 /10 10/10 10/10 10/10 10/10 10/10 10/10 $$