Biscayne Bay - MacArthur Causeway Weather Forecast
- 79
- 88
Thunderstorms
- 78
- 88
Thunderstorms
- 80
- 88
Thunderstorms Likely
- 79
- 89
Thunderstorms Likely
- 79
- 88
Thunderstorms Likely
- 78
- 87
Thunderstorms Likely
Today 7 Sep Coastal Miami Dade County
Partly sunny. A chance of Showers and Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Highs in the upper 80s. Temperature falling into the mid 80s this afternoon. South Winds 5 to 10 Mph. Chance of rain 70 percent.
Tonight 7 Sep Coastal Miami Dade County
Mostly cloudy with Showers and Thunderstorms likely in the Evening, then partly cloudy with a chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 70s. South Winds around 5 Mph. Chance of rain 70 percent.
Biscayne Bay - MacArthur Causeway Temperature Statistics
September Temperature
Miami, Miami International Airport (8.1 miles)
Lowest 5 September, 2025
75.9 °FAverage September
82.4 °FHighest 2 September, 2025
93 °F
Climate (2020–Present)
Miami, Miami International Airport (8.1 miles)
Average Low 2020–2025
72.7 °FAverage 2020–2025
78.6 °FAverage High 2020–2025
85.4 °F