Castle Lake, FL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Castle Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C |
| POP: 30% | POP: 20% | POP: 40% | POP: 20% | POP: 20% | POP: 20% | POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1112 AM EDT Sat Aug 22 2026 

Castle Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Castle Lake Weather Map
Castle Lake Quick Facts
Castle Lake Forecast Discussion
Issued: 1210 PM EDT Sat Aug 22 2026
Key Messages
For the latest NE FL and SE GA Daily Key Messages please visit: https:/www.weather.gov/media/jax/briefings/nws-jax-briefing.pdf- Isolated Strong Thunderstorms Today. Hazards: Gusty Winds (40-60 mph), localized flooding & frequent lightning. Main Concern Areas: I-95 corridor and areas north of I-10. Stronger Storm Timing: 3 PM 10 PM
- SUN-MON: Isolated to Scattered Thunderstorms, mainly NE FL. Increasing thunderstorm coverage Tuesday-Friday
- Moderate Afternoon Rip Current Risk Today and S...
Weather World