Bay Harbor Islands, FL Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Bay Harbor Islands, FL in one place.
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 89. Heat index values as high as 100. South wind 7 to 14 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Bay Harbor Islands, FL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 17, 2026 9:14 AM EDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Bay Harbor Islands, FL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 9:14 AM EDT
- Forecast office
- MFL
- Source
- NOAA / NWS
Daily Outlook
This Week in Bay Harbor Islands
Sunday looks like the warmest upcoming period in Bay Harbor Islands at 90 degrees F.
Saturday Night is the coolest period ahead with temperatures near 83 degrees F.
The strongest winds are forecast for Monday at about 12 to 17 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 9:14 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- MFL
- Radar station
- KAMX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 83. South wind around 12 mph.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. South wind 12 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 83. South wind 10 to 14 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. South wind 12 to 17 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 83. South wind 10 to 16 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 90. Southeast wind around 13 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 83. Chance of precipitation is 20%.
Sunny, with a high near 90.
Mostly clear, with a low around 83.
Sunny, with a high near 90.
Mostly clear, with a low around 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
89°F |
7 to 14 mph
S
|
|
Saturday Night
Jul 18
|
Partly Cloudy
|
83°F |
12 mph
S
|
|
Sunday
Jul 19
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
12 to 15 mph
S
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
83°F |
10 to 14 mph
S
|
|
Monday
Jul 20
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
12 to 17 mph
S
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
83°F |
10 to 16 mph
S
|
|
Tuesday
Jul 21
|
Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
13 mph
SE
|
|
Tuesday Night
Jul 21
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
83°F |
7 to 13 mph
SE
|
|
Wednesday
Jul 22
|
Sunny
|
90°F |
6 to 13 mph
SE
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
83°F |
6 to 13 mph
SE
|
|
Thursday
Jul 23
|
Sunny
|
90°F |
5 to 13 mph
SE
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
83°F |
6 to 13 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Bay Harbor Islands.