Weather World
Keystone Islands, FL 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Keystone Islands Weather Forecast
Keystone Islands, FL Weather Forecast Date: 221 AM EDT Thu Oct 22 2026
Weather forecast for Keystone Islands, FL
Today Hi: 81°FHi: 27°C Lo: 71°F Lo: 22°C |
Today... Mostly sunny. A slight chance of showers this morning, then a chance of showers and thunderstorms this afternoon. Highs in the lower 80s. North winds 10 to 15 mph with gusts up to 20 mph. Chance of rain 50%. |
| Fri Hi: 81°FHi: 27°C Lo: 71°F Lo: 22°C |
Friday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Northeast winds 15 to 20 mph with gusts up to 25 mph. Chance of rain 50%. |
| Sat Hi: 81°FHi: 27°C Lo: 71°F Lo: 22°C |
Saturday... Mostly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Breezy with highs in the lower 80s. Northeast winds 15 to 25 mph. Chance of rain 70%. |
| Sun Hi: 81°FHi: 27°C Lo: 75°F Lo: 24°C |
Sunday... A chance of thunderstorms. Showers, windy with highs in the lower 80s. Chance of rain 90%. |
| Mon Hi: 81°FHi: 27°C Lo: 75°F Lo: 24°C |
Monday... Showers likely with a chance of thunderstorms. Windy with highs in the lower 80s. Chance of rain 70%. |
| Tue Hi: 85°FHi: 29°C Lo: 75°F Lo: 24°C |
Tuesday... Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Breezy with highs in the mid 80s. Chance of rain 50%. |
| Wed Hi: 85°FHi: 29°C |
Wednesday... Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50%. |
Keystone Islands Radar Loop
Use the map search tool if you want to place a location marker on the radar map...