FPUS62 KKEY 210800 SFTKEY STZ000-212100- Tabular State Forecast for the Florida Keys National Weather Service Key West FL 400 AM EDT Sun Jun 21 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 Jun 21 Jun 22 Jun 23 Jun 24 Jun 25 Jun 26 Jun 27 ...Upper Keys... Key Largo Sunny Sunny Sunny Sunny Sunny Sunny Sunny /90 84/90 84/91 84/90 83/89 83/89 83/89 /20 20/20 20/20 10/10 20/20 10/10 10/20 ...Middle Keys... Marathon Sunny Ptcldy Sunny Sunny Sunny Sunny Sunny /89 83/90 84/90 83/89 83/88 83/89 83/89 /10 20/20 10/10 10/10 10/10 10/10 10/10 ...Lower Keys... Key West Sunny Ptcldy Ptcldy Ptcldy Sunny Sunny Sunny /91 84/91 84/91 83/90 82/91 83/92 83/92 /10 10/10 10/10 10/10 10/10 10/10 10/10 $$