Weather forecast for 10 days
Port Saint John, FL

Weather forecast for the weekend

Sunday, May 11.

PM Showers
6:33 am

8:05 pm
EDT
PM Showers
84°F / 73°F
  • Wind: 16mph SE
  • Humidity: 69%
  • Precip. probability: 44%
  • Precipitation: 0.35"
  • UV index: 9
On Sunday, in Port Saint John, a few passing showers are expected later today.
The likelihood of rainfall is low, and light precipitation is forecasted. Temperatures will oscillate between a temperate 84.2°F at their highest and a warm 73.4°F at their lowest.
The maximum heat index, which represents the influence of relative humidity on air temperature, is appraised at a tropical 91.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The maximum temperature will align with May's usual high of 83.1°F.
Sunrise was at 6:33 am and sunset will be at 8:05 pm; the daylight will last for 13h and 32min.

Frequently asked questions

What is the weather forecast for Port Saint John for the next ten days?
In Port Saint John, weather will be unstable, and a combination of cloud-filled, dry and sunny, rain-filled and storm-filled weather is predicted for the next ten days.
Will it rain in the next ten days?
Rainfall is forecasted for Sunday and Monday in Port Saint John. Monday, with severe precipitation of 2.28", will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 78.8°F and 95°F, while the minimum temperature will vary between 68°F and 73.4°F.
Taking the humidity into consideration, the maximum feel-like temperature will vary between 78.8°F and 116.6°F.
What will be the hottest and the coldest days?
With a maximum temperature of 95°F, Saturday through next Monday will be the hottest days. Tomorrow will be the coldest day, with a maximum temperature of 78.8°F.

Long-term weather forecast

SunMay 11.
  • 84°F
  • 73°F
PM Showers
PM Showers
  • Wind: 16mph SE
  • Humidity: 69%
  • UV index: 9
  • Precip. probability: 44%
  • Precipitation: 0.35"
  • 6:33 am 8:05 pm EDT
MonMay 12.
  • 79°F
  • 68°F
Heavy Thunderstorms
Heavy Thunderstorms
  • Wind: 14mph SSE
  • Humidity: 87%
  • UV index: 6
  • Precip. probability: 96%
  • Precipitation: 2.28"
  • 6:32 am 8:06 pm EDT
TueMay 13.
  • 88°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SW
  • Humidity: 65%
  • UV index: 11
  • Precip. probability: 15%
  • Precipitation: 0"
  • 6:32 am 8:06 pm EDT
WedMay 14.
  • 90°F
  • 68°F
Mostly Sunny
Mostly Sunny
  • Wind: 7mph WSW
  • Humidity: 63%
  • UV index: 11
  • Precip. probability: 11%
  • Precipitation: 0"
  • 6:31 am 8:07 pm EDT
ThuMay 15.
  • 91°F
  • 68°F
Mostly Sunny
Mostly Sunny
  • Wind: 9mph SW
  • Humidity: 61%
  • UV index: 11
  • Precip. probability: 7%
  • Precipitation: 0"
  • 6:30 am 8:08 pm EDT
FriMay 16.
  • 93°F
  • 72°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph WSW
  • Humidity: 62%
  • UV index: 11
  • Precip. probability: 7%
  • Precipitation: 0"
  • 6:30 am 8:08 pm EDT
SatMay 17.
  • 95°F
  • 72°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph SW
  • Humidity: 64%
  • UV index: 11
  • Precip. probability: 7%
  • Precipitation: 0"
  • 6:29 am 8:09 pm EDT
SunMay 18.
  • 95°F
  • 73°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SW
  • Humidity: 62%
  • UV index: 11
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:29 am 8:09 pm EDT
MonMay 19.
  • 95°F
  • 73°F
Mostly Sunny
Mostly Sunny
  • Wind: 9mph SSW
  • Humidity: 62%
  • UV index: 11
  • Precip. probability: 8%
  • Precipitation: 0"
  • 6:28 am 8:10 pm EDT
TueMay 20.
  • 93°F
  • 73°F
Mostly Sunny
Mostly Sunny
  • Wind: 10mph SSW
  • Humidity: 64%
  • UV index: 11
  • Precip. probability: 10%
  • Precipitation: 0"
  • 6:28 am 8:11 pm EDT
Mixed conditions are forecasted for the coming ten days, and a mix of dull, sun-filled, rain-filled and unstable weather is predicted.
Rainfall is predicted for Sunday and Monday.
Temperature differences will be noticeable in the coming days. Highs will range from 78.8°F to 95°F, while the overnight low will be nearly unchanged, as night temperatures will lie between 68°F and 73.4°F.
The hottest days in Port Saint John will be Saturday through next Monday, with a maximum of 95°F; the coldest day will be Monday, with a maximum of 78.8°F.
Combining with the humidity, the maximum feel-like temperature may increase vastly and vary between 78.8°F and a burning hot 116.6°F.
Updated: May 11, 2025 @ 15:00:58 UTC
Published by: Weather Atlas | About Us
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