Upper Grand Lagoon, FL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Upper Grand Lagoon, FL in one place.
Showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms likely between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 84. East southeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Upper Grand Lagoon, 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: Aug 28, 2026 8:07 PM CDT.
The active forecast window currently covers Aug 29 to Sep 4, 2026 for Upper Grand Lagoon, FL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 4, 2026
- Latest sync
- Aug 28, 2026 8:07 PM CDT
- Forecast office
- TAE
- Source
- NOAA / NWS
Daily Outlook
This Week in Upper Grand Lagoon
Wednesday looks like the warmest upcoming period in Upper Grand Lagoon at 89 degrees F.
Saturday Night is the coolest period ahead with temperatures near 77 degrees F.
The strongest winds are forecast for Saturday at about 10 mph ESE.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 28, 2026 8:07 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- TAE
- Radar station
- KEVX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms between 10pm and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 77. East southeast wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms. Mostly sunny, with a high near 86. East southeast wind around 10 mph. Chance of precipitation is 80%.
Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 78. East southeast wind around 10 mph. Chance of precipitation is 80%.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly sunny, with a high near 87. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7pm. Partly cloudy, with a low around 79. Chance of precipitation is 60%.
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 88. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 79. Chance of precipitation is 50%.
A chance of showers and thunderstorms after 7am. Sunny, with a high near 89. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 79. Chance of precipitation is 50%.
A chance of showers and thunderstorms after 7am. Sunny, with a high near 89. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 80. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
84°F |
10 mph
ESE
|
|
Saturday Night
Aug 29
|
Chance Showers And Thunderstorms
|
77°F |
10 mph
ESE
|
|
Sunday
Aug 30
|
Chance Showers And Thunderstorms
|
86°F |
10 mph
ESE
|
|
Sunday Night
Aug 30
|
Showers And Thunderstorms
|
78°F |
10 mph
ESE
|
|
Monday
Aug 31
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
87°F |
5 to 10 mph
ESE
|
|
Monday Night
Aug 31
|
Showers And Thunderstorms Likely then Partly Cloudy
|
79°F |
5 mph
ESE
|
|
Tuesday
Sep 1
|
Chance Showers And Thunderstorms
|
88°F |
5 to 10 mph
SE
|
|
Tuesday Night
Sep 1
|
Chance Showers And Thunderstorms then Partly Cloudy
|
79°F |
5 mph
E
|
|
Wednesday
Sep 2
|
Chance Showers And Thunderstorms
|
89°F |
5 to 10 mph
SE
|
|
Wednesday Night
Sep 2
|
Chance Showers And Thunderstorms then Mostly Clear
|
79°F |
5 mph
ESE
|
|
Thursday
Sep 3
|
Chance Showers And Thunderstorms
|
89°F |
5 to 10 mph
ESE
|
|
Thursday Night
Sep 3
|
Chance Showers And Thunderstorms then Partly Cloudy
|
80°F |
5 to 10 mph
SE
|
|
Friday
Sep 4
|
Chance Showers And Thunderstorms
|
89°F |
5 to 10 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Upper Grand Lagoon.