Jacksonville

Jacksonville Braces for Week of Steamy Weather, Thunderstorms, and High Heat Index

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Published on July 06, 2025
Jacksonville Braces for Week of Steamy Weather, Thunderstorms, and High Heat IndexSource: Google Street View

The National Weather Service forecasts a week of changing weather conditions in Jacksonville, with showers and thunderstorms expected at times. Today's conditions include partly cloudy skies and 90% humidity. Temperatures are projected to reach a high near 92°F, with the heat index potentially reaching up to 100°F.

There is a 40 percent chance of showers and thunderstorms in the afternoon, mainly after 2 p.m., according to the NWS. Winds are expected from the west at 7 to 9 mph. In the evening, the chance of precipitation decreases to 30 percent, mostly before 8 p.m. Overnight conditions include partly cloudy skies with a low near 77°F and light southwest winds.

The forecast for the upcoming week indicates a continuation of the current weather pattern. On Monday, there is a 50 percent chance of showers and thunderstorms after 2 p.m., with a high near 93°F and heat index values potentially reaching up to 103°F. Similar conditions are expected on Tuesday, with the same probability of afternoon showers and thunderstorms. The week is expected to feature a recurring pattern of daytime heat and afternoon precipitation, with skies transitioning between sunny and partly cloudy.

The NWS indicates an increased likelihood of heavier rainfall starting Wednesday, with precipitation chances rising to 70 percent after 2 p.m. and reaching up to 80 percent during the evening hours. Thunderstorms are forecast to develop during the afternoon and may continue into the night through the latter part of the week. High temperatures are expected to remain near 93°F, while overnight lows will be around 76°F.

Jacksonville is currently experiencing a summer weather pattern marked by elevated humidity, afternoon thunderstorms, and warm evening conditions. Detailed forecasts and updates are available on the NWS website.