FPUS62 KKEY 202003 SFTKEY STZ000-210900- Tabular State Forecast for the Florida Keys National Weather Service Key West FL 403 PM EDT Fri Mar 20 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 Sat Sun Mon Tue Wed Thu Fri Mar 21 Mar 22 Mar 23 Mar 24 Mar 25 Mar 26 Mar 27 ...Upper Keys... Key Largo Sunny Sunny Sunny Sunny Sunny Sunny Sunny 65/76 67/76 68/78 70/78 71/78 71/79 72/79 10/10 00/00 00/00 00/00 00/10 10/10 10/10 ...Middle Keys... Marathon Sunny Sunny Sunny Sunny Sunny Sunny Sunny 66/77 67/78 69/78 70/79 70/79 70/79 71/80 10/10 00/00 00/00 00/00 00/10 10/10 10/10 ...Lower Keys... Key West Sunny Sunny Sunny Sunny Sunny Sunny Sunny 67/77 67/79 70/80 71/80 71/81 71/81 72/82 10/10 00/00 00/00 00/00 00/00 10/10 10/10 $$