Tuesday's forecast varies by source
Forecasts for Miami on Tuesday, August 4 differ by outlet. TN reports a maximum of 33°C, a heat index of 39°C, moderate rain, 80% cloud cover, relative humidity of 58%, west wind at 9 km/h with gusts to 10 km/h, and atmospheric pressure of 1016 hPa. La Opinión gives a high of 90°F (32°C), a rain probability of 61%, clouds and clearings, and a thermal sensation of 106°F (41°C), with night temperatures of 81°F (27°C) and wind gusts up to 8.08 mph.[S1][S2]
A Clarín forecast for Tuesday, August 4, 2026, predicts a high of 30°C and a low of 25°C, with average humidity of 85% and winds of 14 km/h. The National Weather Service's morning forecast for Tuesday calls for a temperature of 88°F, showers and thunderstorms, a 75% chance of precipitation, and winds of 5 to 10 mph from the southeast.[S3][S4]
Hour-by-hour and night details
Clarín says no rain is expected in the early morning, with humidity at 85% and southern winds of 14 km/h. By mid-morning, rain is still absent, humidity drops to 83%, and winds ease to 12 km/h. In the afternoon, the outlet forecasts drizzle of 1 mm with southern winds of 15 km/h; at night, drizzle of 2 mm with southeast winds of 16 km/h.[S3]
The National Weather Service's Tuesday night outlook for Miami mentions probable showers and thunderstorms, a temperature of 81°F (27°C), winds of 8 mph from the east, and a 62% chance of precipitation. La Opinión also reports cloudy night skies, a precipitation forecast of 55, night wind gusts of 6.84 mph, and notes sunrise at 6:48 a.m. and sunset at 8:05 p.m., for 13 hours of daylight.[S4][S2]
Extended forecast
For the week of August 3-7, the National Weather Service predicts daily highs near 88°F and lows near 81°F, with showers and thunderstorms possible each day. For Wednesday, La Opinión forecasts temperatures between 81°F and 88°F (27-31°C) and a 58% rain chance. Clarín's extended outlook says Wednesday temperatures will range from 30°C to 26°C with 3 mm of rain, and Thursday from 26°C to 29°C with 3 mm.[S4][S2][S3]
La Opinión adds that Miami's rainiest season runs from late spring to summer, with August and September the wettest months, while the warmest readings typically occur in August and the coldest period is January, with lows averaging 61.0°F (16.1°C).[S2]
For Wednesday, the National Weather Service's morning forecast gives a 43% chance of precipitation with winds of 6 to 10 mph from the east, and the night outlook has a 52% chance with winds of 12 mph from the east. On Thursday, the service predicts a 55% chance in the morning and 46% at night, with winds of 13 mph from the east during the day and 8 to 13 mph at night. On Friday, the morning forecast shows a 52% chance with winds of 7 to 10 mph from the east.[S4]
Recommended precautions
Given the heat and humidity, TN recommends avoiding prolonged sun exposure, wearing light-colored clothing, and staying hydrated. It also advises watching for severe-weather alerts, planning travel with possible rain delays in mind, and paying attention to children, older adults, and people with chronic conditions due to heat-stroke risk.[S1]
Clarín suggests drinking water throughout the day, using sunscreen even on cloudy days, and ventilating the house in the early morning while closing curtains to keep it cool on hot days. In strong winds, it recommends securing loose objects, closing windows and blinds, and avoiding outdoor activities, as well as caution for cyclists and motorcyclists. For rainy days, it advises carrying an umbrella, walking carefully on slippery sidewalks, driving with low beams and reduced speed, avoiding flooded streets, and checking the forecast before leaving.[S3]
