IRC Media Weather — Treasure & Space Coast — Sunday, September 20, 2026

Warm and humid conditions continue across the Treasure & Space Coast on Sunday, September 20. Vero Beach is forecast to reach 87° with a low around 72°. AccuWeather shows a mostly cloudy and humid day with a thunderstorm possible this afternoon and a 55% rain chance. Winds are out of the north around 6 mph, with a high UV index near 7.2.

Tonight stays warm and unsettled, with a low around 72° and a thunderstorm possible in spots during the evening.

Looking ahead, Monday brings a high near 87° and a low of 73° with a 70% chance of showers and a heavy afternoon thunderstorm. Tuesday remains humid and stormy with a high of 87°, a low of 74°, and a 96% rain chance. Wednesday stays cloudy and humid with a high near 87°, a low of 73°, and a 61% chance of an afternoon thunderstorm.

Forecast data: AccuWeather.