Weather forecast for 10 days
Port Saint John, FL

Weather forecast for the weekend

Saturday, Jun 21.

Partly Cloudy
6:25 am

8:25 pm
EDT
Partly Cloudy
91°F / 75°F
  • Wind: 11mph SE
  • Humidity: 65%
  • Precip. probability: 19%
  • Precipitation: 0"
  • UV index: 11
On Saturday, June 21, moments of sunshine will break through the patchy clouds.
Anticipated temperatures will peak at a humid 91.4°F and dip to a minimum of a warm 75.2°F.
The day’s top temperature is expected to be moderately higher than the typical June high of 87.1°F.
Sunrise will be at 6:25 am and sunset at 8:25 pm; the daylight will last for 14h and 0min.

Sunday, Jun 22.

Mostly Sunny
6:25 am

8:25 pm
EDT
Mostly Sunny
88°F / 77°F
  • Wind: 12mph E
  • Humidity: 68%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 11
On Sunday, June 22, expect plenty of sunshine and only a few scattered clouds.
The maximum temperature will be a blazing 87.8°F, while the minimum expected temperature is a moderately hot 77°F.
Sunday's top temperature is set to align with the common June high of 87.1°F.
Sunrise will be at 6:25 am and sunset at 8:25 pm; the daylight will last for 14h and 0min.

Frequently asked questions

What is the weather forecast for Port Saint John for Saturday?
On Saturday, a partly cloudy outlook will keep the sky interesting throughout the day.
What will be the highest temperature on Saturday?
On Saturday, the highest temperature will be 91.4°F, while the lowest temperature will be 75.2°F.
What is the weather forecast for Port Saint John for Sunday?
On Sunday, in Port Saint John, mainly sunny conditions will dominate the day.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 87.8°F, while the minimum temperature will be 77°F.
What is the weather forecast for Port Saint John for the next ten days?
In Port Saint John, a combination of cloudy, dry and sunny and turbulent weather is expected for the next ten days.
Will it rain in the next ten days?
Rainfall is expected on Friday, next Thursday and Friday in Port Saint John. With light precipitation of 0.35", next Thursday 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 91.4°F, while the minimum temperature will range between 75.2°F and 77°F.
Combining with the humidity, the maximum feel-like temperature will vary between 98.6°F and 109.4°F.
What will be the hottest and the coldest days?
With a maximum temperature of 91.4°F, Wednesday, Thursday, Saturday, next Wednesday through next Friday will be the hottest days. With a maximum temperature of 87.8°F, Sunday will be the coldest day.

Long-term weather forecast

WedJun 18.
  • 91°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Wind: 13mph SE
  • Humidity: 58%
  • UV index: 11
  • Precip. probability: 21%
  • Precipitation: 0"
  • 6:24 am 8:24 pm EDT
ThuJun 19.
  • 91°F
  • 75°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph SSE
  • Humidity: 66%
  • UV index: 11
  • Precip. probability: 18%
  • Precipitation: 0"
  • 6:24 am 8:24 pm EDT
FriJun 20.
  • 90°F
  • 75°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 10mph SSE
  • Humidity: 67%
  • UV index: 10
  • Precip. probability: 41%
  • Precipitation: 0.08"
  • 6:24 am 8:24 pm EDT
SatJun 21.
  • 91°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SE
  • Humidity: 65%
  • UV index: 11
  • Precip. probability: 19%
  • Precipitation: 0"
  • 6:25 am 8:25 pm EDT
SunJun 22.
  • 88°F
  • 77°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph E
  • Humidity: 68%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:25 am 8:25 pm EDT
MonJun 23.
  • 90°F
  • 75°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph E
  • Humidity: 68%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:25 am 8:25 pm EDT
TueJun 24.
  • 90°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph E
  • Humidity: 67%
  • UV index: 11
  • Precip. probability: 20%
  • Precipitation: 0"
  • 6:25 am 8:25 pm EDT
WedJun 25.
  • 91°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph ESE
  • Humidity: 66%
  • UV index: 10
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:26 am 8:25 pm EDT
ThuJun 26.
  • 91°F
  • 75°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 11mph SE
  • Humidity: 68%
  • UV index: 10
  • Precip. probability: 37%
  • Precipitation: 0.35"
  • 6:26 am 8:25 pm EDT
FriJun 27.
  • 91°F
  • 75°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 10mph SSE
  • Humidity: 70%
  • UV index: 10
  • Precip. probability: 46%
  • Precipitation: 0.24"
  • 6:26 am 8:25 pm EDT
Models point to a combination of overcast, mostly clear and stormy weather is forecasted.
Rainfall is anticipated on Friday, next Thursday and Friday.
Fluctuations in temperature will be barely perceptible in the upcoming period. Expected highs will hover between 87.8°F and 91.4°F, while fluctuations in the night’s lowest temperature will be also minimal, as the overnight low will fall between 75.2°F and 77°F.
With a maximum temperature of 91.4°F, Wednesday, Thursday, Saturday, next Wednesday through next Friday will be the hottest days in Port Saint John; with the highest temperature of 87.8°F, Sunday will be the coldest day.
Taking the humidity into consideration, the maximum feel-like temperature may increase considerably and range between a very hot 98.6°F and an extremely hot 109.4°F.
Updated: Jun 18, 2025 @ 14:15:38 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate
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