Weather forecast for 10 days
Port Saint John, FL

Weather forecast for the weekend

Sunday, May 4.

PM Thunderstorms
6:38 am

8:01 pm
EDT
PM Thunderstorms
84°F / 64°F
  • Wind: 11mph SSW
  • Humidity: 66%
  • Precip. probability: 59%
  • Precipitation: 0.16"
  • UV index: 9
Tomorrow, rainy weather and thunderstorms are also expected in the afternoon.
The likelihood of precipitation is high. However, the rainfall will be light. Anticipated temperatures will peak at a warm 84.2°F and dip to a minimum of an enjoyable 64.4°F.
The maximum heat index, which integrates air moisture with ambient temperature, is evaluated at a tropical 89.6°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Forecasts show the temperature forecasted to reach the usual May high of 83.1°F.
Sunrise will be at 6:38 am and sunset at 8:01 pm; tomorrow's daylight will last for 13h and 23min.

Frequently asked questions

What is the weather forecast for Port Saint John for the next ten days?
In Port Saint John, a combination of stormy, cloud-filled and mostly clear weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rainfall is anticipated on Sunday, Monday, Friday through next Monday in Port Saint John. With moderate precipitation of 0.59", next Monday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will vary between 80.6°F and 89.6°F, while the minimum temperature will range between 64.4°F and 69.8°F.
Combining with the humidity, the maximum feel-like temperature will range between 84.2°F and 104°F.
What will be the hottest and the coldest days?
With a maximum temperature of 89.6°F, Tuesday through Thursday will be the hottest days. With a maximum temperature of 80.6°F, next Saturday and Sunday will be the coldest days.

Long-term weather forecast

SatMay 3.
  • min.
  • 68°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 12mph SSW
  • Humidity: 83%
  • UV index: 0
  • Precip. probability: 19%
  • Precipitation: 0"
  • 6:39 am 8:00 pm EDT
SunMay 4.
  • 84°F
  • 64°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 11mph SSW
  • Humidity: 66%
  • UV index: 9
  • Precip. probability: 59%
  • Precipitation: 0.16"
  • 6:38 am 8:01 pm EDT
MonMay 5.
  • 88°F
  • 66°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 9mph S
  • Humidity: 68%
  • UV index: 11
  • Precip. probability: 41%
  • Precipitation: 0.08"
  • 6:37 am 8:02 pm EDT
TueMay 6.
  • 90°F
  • 70°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph SE
  • Humidity: 68%
  • UV index: 11
  • Precip. probability: 22%
  • Precipitation: 0"
  • 6:36 am 8:02 pm EDT
WedMay 7.
  • 90°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SE
  • Humidity: 66%
  • UV index: 10
  • Precip. probability: 15%
  • Precipitation: 0"
  • 6:36 am 8:03 pm EDT
ThuMay 8.
  • 90°F
  • 70°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 10mph SSE
  • Humidity: 66%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:35 am 8:03 pm EDT
FriMay 9.
  • 88°F
  • 68°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 9mph SSE
  • Humidity: 68%
  • UV index: 10
  • Precip. probability: 59%
  • Precipitation: 0.35"
  • 6:34 am 8:04 pm EDT
SatMay 10.
  • 81°F
  • 68°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 10mph SSE
  • Humidity: 75%
  • UV index: 9
  • Precip. probability: 62%
  • Precipitation: 0.51"
  • 6:34 am 8:05 pm EDT
SunMay 11.
  • 81°F
  • 66°F
Thunderstorms
Thunderstorms
  • Wind: 10mph SSE
  • Humidity: 76%
  • UV index: 9
  • Precip. probability: 60%
  • Precipitation: 0.47"
  • 6:33 am 8:05 pm EDT
MonMay 12.
  • 84°F
  • 66°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 9mph SSW
  • Humidity: 69%
  • UV index: 10
  • Precip. probability: 41%
  • Precipitation: 0.59"
  • 6:32 am 8:06 pm EDT
Models point to a combination of unstable, cloud-filled and bright weather is anticipated.
Rainfall is anticipated on Sunday, Monday, Friday through next Monday.
In the coming days, the maximum temperature will vary between 80.6°F and 89.6°F, while the overnight low will be nearly unchanged, as night temperatures will lie between 64.4°F and 69.8°F.
The hottest days will be Tuesday through Thursday, with a maximum of 89.6°F; the coldest days will be next Saturday and Sunday, with a maximum of 80.6°F.
Taking the humidity into consideration, the maximum feel-like temperature may increase considerably and range between 84.2°F and an extremely hot 104°F.
Updated: May 4, 2025 @ 02:56:29 UTC
Published by: Weather U.S. | About Us
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