Forecast models from the National Weather Service and private providers converge on a Miami high temperature in the mid-to-upper 80s Fahrenheit for June 10, reflecting typical early-summer climatology with average highs near 85–86°F amid high humidity and easterly flow. Afternoon sea-breeze convergence and scattered thunderstorm development introduce modest cooling potential that favors the 86–87°F bin slightly over 88–89°F in trader assessments. Historical June extremes rarely exceed 90°F without strong subtropical ridging, while model spread on cloud cover and timing of any convection accounts for the tight 43%–39% split between the two leading outcomes. Updated National Weather Service guidance and hourly observations through the morning will provide the final resolution inputs.