Jacksonville

Jacksonville Braces for Week of Scorching Heat and Thunderstorms, Heat Index to Reach Low 100s

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Published on June 07, 2025
Jacksonville Braces for Week of Scorching Heat and Thunderstorms, Heat Index to Reach Low 100sSource: Unsplash/ Ramiro Pianarosa

Scorching temperatures and a persistent chance of thunderstorms are the themes of this week's weather forecast for Jacksonville, Florida. According to the National Weather Service, the city can expect highs hovering in the mid-90s, with heat index values climbing to the low 100s and thunderstorms cropping up throughout the week, particularly in the afternoon and evening hours.

Today has a 30% chance of rain, with showers and thunderstorms possible after 3 PM. It will be partly sunny and very hot, with a heat index around 102°F. Winds may gust up to 21 mph. Tonight, the chance of rain goes down before 9 PM, and the temperature will drop to a warm 76°F.

On Sunday, expect hot and stormy weather in Jacksonville. Temperatures will reach up to 95°F, but it will feel more like 103°F. Showers and thunderstorms are likely between 2 PM and 5 PM, with even more storms possible after 5 PM. Winds could gust up to 20 mph, and there's a 70% chance of rain, with some storms bringing over a tenth of an inch of rainfall.

Monday’s weather will be similar to Sunday’s, with showers and thunderstorms likely, especially in the afternoon. It will be hot again, with a high near 95°F and a warm low around 75°F at night. There’s a 60% chance of rain, so keep an umbrella handy—dry weather isn’t here just yet.

Rain continues into Tuesday with an 80% chance of showers and possible thunderstorms after 2 PM. The wet weather will likely last into the night, with storms possible until around 2 AM. On Wednesday, expect more of the same—thunderstorms after 2 PM and a high near 93°F. Jacksonville’s week will stay hot and rainy.

Thursday brings more rain, with an 80% chance of showers and thunderstorms and a high near 90°F. The rain may continue overnight, with a low around 75°F. On Friday, there’s a 70% chance of rain, but skies will be partly sunny. Expect a high near 91°F, wrapping up a hot and rainy week in Jacksonville.