| NWS Forecast for: Fernandina Beach FL Issued by: National Weather Service Jacksonville, FL Last Update: 5:15 am EDT Jul 17, 2025 | |
| Today: A slight chance of showers between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 31. Heat index values as high as 39. Breezy, with a southeast wind 14 to 19 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 39 km/h. Chance of precipitation is 30%. Tonight: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 26. Southeast wind 18 to 23 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 34 km/h. Friday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 32. Heat index values as high as 41. Southeast wind 8 to 16 km/h, with gusts as high as 26 km/h. Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 25. South wind 8 to 13 km/h. Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 34. Southwest wind 5 to 13 km/h becoming southeast in the afternoon. Saturday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 26. Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 35. Sunday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 26. Monday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 35. Monday Night: A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 24. Tuesday: Showers and thunderstorms likely. Partly sunny, with a high near 33. Chance of precipitation is 60%. Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 25. Chance of precipitation is 60%. Wednesday: Showers and thunderstorms likely. Partly sunny, with a high near 32. Chance of precipitation is 60%. | |
| Fernandina Beach FL 30.67°N 81.45°W | |
Visit your local NWS office at: https://www.weather.gov/jax |