Weather forecast for 10 days
Upper Grand Lagoon, FL

Weather forecast for the weekend

Saturday, Jun 21.

Mostly Sunny
5:40 am

7:48 pm
CDT
Mostly Sunny
90°F / 79°F
  • Wind: 8mph S
  • Humidity: 72%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 11
On Saturday, June 21, a crisp, sunny atmosphere is likely.
Rainfall is not expected. Temperature is predicted to swing from a high of a hot 89.6°F to a low of a warm 78.8°F.
The forecasted high temperature will align with June's average of 87.1°F.
Sunrise will be at 5:40 am and sunset at 7:48 pm; the daylight will last for 14h and 8min.

Sunday, Jun 22.

PM Thunderstorms
5:41 am

7:49 pm
CDT
PM Thunderstorms
90°F / 77°F
  • Wind: 8mph SE
  • Humidity: 71%
  • Precip. probability: 40%
  • Precipitation: 0.12"
  • UV index: 11
On Sunday, June 22, rainy weather and thunderstorms are expected in the afternoon.
Minimal precipitation is anticipated. The highest temperature will be a tropical 89.6°F, while the lowest predicted temperature is a temperate 77°F.
The maximum temperature on Sunday is expected to match the regular June high of 87.1°F.
Sunrise will be at 5:41 am and sunset at 7:49 pm; the daylight will last for 14h and 8min.

Frequently asked questions

What is the weather forecast for Upper Grand Lagoon for Saturday?
On Saturday, open skies and radiant sunshine are expected.
Will it rain on Saturday?
No, it will not rain on Saturday.
What will be the maximum temperature on Saturday?
On Saturday, the maximum temperature in Upper Grand Lagoon will be 89.6°F, while the minimum temperature will be 78.8°F.
What is the weather forecast for Upper Grand Lagoon for Sunday?
On Sunday, in Upper Grand Lagoon, scattered thunderstorms are likely by the afternoon.
Will it rain on Sunday?
On Sunday, there is a low probability of minimal rainfall in Upper Grand Lagoon.
What will be the maximum temperature on Sunday in Upper Grand Lagoon?
On Sunday, the maximum temperature will be 89.6°F, while the minimum temperature will be 77°F.
What is the weather forecast for Upper Grand Lagoon for the next ten days?
In Upper Grand Lagoon, a combination of lightning-active, gloomy and mostly clear weather is predicted for the next ten days.
Will it rain in the next ten days?
Rainfall is expected on Thursday, Sunday through next Friday in Upper Grand Lagoon. Thursday, with light precipitation of 0.39", will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will vary between 87.8°F and 89.6°F, while the minimum temperature will be between 77°F and 78.8°F.
Combining with the humidity, the maximum feel-like temperature will range between 100.4°F and 105.8°F.
What will be the hottest and the coldest days?
With a maximum temperature of 89.6°F, Friday through next Thursday will be the hottest days. With a maximum temperature of 87.8°F, Wednesday, Thursday and next Friday will be the coldest days.

Long-term weather forecast

WedJun 18.
  • 88°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph S
  • Humidity: 71%
  • UV index: 11
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:40 am 7:48 pm CDT
ThuJun 19.
  • 88°F
  • 77°F
AM Thunderstorms
AM Thunderstorms
  • Wind: 10mph WSW
  • Humidity: 75%
  • UV index: 10
  • Precip. probability: 56%
  • Precipitation: 0.39"
  • 5:40 am 7:48 pm CDT
FriJun 20.
  • 90°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph W
  • Humidity: 71%
  • UV index: 11
  • Precip. probability: 23%
  • Precipitation: 0"
  • 5:40 am 7:48 pm CDT
SatJun 21.
  • 90°F
  • 79°F
Mostly Sunny
Mostly Sunny
  • Wind: 8mph S
  • Humidity: 72%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:40 am 7:48 pm CDT
SunJun 22.
  • 90°F
  • 77°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 8mph SE
  • Humidity: 71%
  • UV index: 11
  • Precip. probability: 40%
  • Precipitation: 0.12"
  • 5:41 am 7:49 pm CDT
MonJun 23.
  • 90°F
  • 77°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 8mph SE
  • Humidity: 71%
  • UV index: 11
  • Precip. probability: 38%
  • Precipitation: 0.04"
  • 5:41 am 7:49 pm CDT
TueJun 24.
  • 90°F
  • 77°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 9mph SSE
  • Humidity: 70%
  • UV index: 11
  • Precip. probability: 43%
  • Precipitation: 0.12"
  • 5:41 am 7:49 pm CDT
WedJun 25.
  • 90°F
  • 77°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 9mph SSE
  • Humidity: 72%
  • UV index: 10
  • Precip. probability: 34%
  • Precipitation: 0.12"
  • 5:41 am 7:49 pm CDT
ThuJun 26.
  • 90°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph S
  • Humidity: 71%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0.12"
  • 5:42 am 7:49 pm CDT
FriJun 27.
  • 88°F
  • 79°F
AM Thunderstorms
AM Thunderstorms
  • Wind: 11mph S
  • Humidity: 73%
  • UV index: 11
  • Precip. probability: 44%
  • Precipitation: 0.12"
  • 5:42 am 7:49 pm CDT
Models point to a combination of unstable, overcast and mostly clear weather is anticipated.
Rainfall is forecasted for Thursday, Sunday through next Friday.
The high temperatures are expected to remain largely stable in the upcoming period. Highs will range from 87.8°F to 89.6°F, while changes in the overnight low will be also barely noticeable, as the overnight low will fall between 77°F and 78.8°F.
The hottest days in Upper Grand Lagoon, Florida, will be Friday through next Thursday, with a maximum of 89.6°F; the coldest days will be Wednesday, Thursday and next Friday, with a maximum of 87.8°F.
Taking the humidity into consideration, the maximum feel-like temperature may increase substantially and vary between a sweltering 100.4°F and an extremely hot 105.8°F.
Updated: Jun 18, 2025 @ 17:10:17 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate
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