Weather forecast for tomorrow
Saint Johns, FL

Weather forecast for tomorrow

Monday, Jun 16.

PM Thunderstorms
6:23 am

8:30 pm
EDT
PM Thunderstorms
91°F / 75°F
  • Wind: 7mph SSW
  • Humidity: 69%
  • Precip. probability: 40%
  • Precipitation: 0.16"
  • UV index: 11
Tomorrow, in Saint Johns, afternoon thunderstorms are expected, possibly with frequent lightning.
The chance of rainfall is low, and light precipitation is forecasted. Day and night temperatures will present a subtle variation, fluctuating between a tropical 91.4°F and a temperate 75.2°F.
The maximum heat index, which adjusts the air temperature based on humidity, is evaluated at a scorching 109.4°F. Note that heat index values are valued for light wind and location in the shade. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Sunrise will be at 6:23 am and sunset at 8:30 pm; tomorrow's daylight will last for 14h and 7min.

Frequently asked questions

What is the weather forecast for Saint Johns for tomorrow?
On Monday, thunderstorms are forecasted to develop with occasional lightning.
Will it rain tomorrow?
Light precipitation of 0.16" is anticipated. The chance of rainfall is 40%.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature will be 91.4°F, while the minimum temperature will be 75.2°F. The maximum heat index, which modifies the air temperature to account for humidity, is evaluated at 109.4°F.
The highest temperature will be in line with the average maximum of°C in. The lowest temperature will be also in line with the average low of°C.
When are sunrise and sunset tomorrow?
On Monday, in Saint Johns, sunrise will be at 6:23 am and sunset at 8:30 pm (EDT).
How many hours of daylight will Saint Johns have tomorrow?
Tomorrow, the daylight will last for 14h and 7min.

Hourly weather forecast

12 am
  • 75°F
  • Feels like:
    75°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph SSW
  • Pressure: 30.09"Hg
  • Humidity: 93%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 8mi
2 am
  • 75°F
  • Feels like:
    75°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 2mph SSW
  • Pressure: 30.09"Hg
  • Humidity: 93%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 8mi
4 am
  • 75°F
  • Feels like:
    79°F
Partly Cloudy
Partly Cloudy
  • Wind: 3mph SSW
  • Pressure: 30.06"Hg
  • Humidity: 94%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 7mi
6 am
  • 73°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Wind: 3mph SSW
  • Pressure: 30.06"Hg
  • Humidity: 96%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 7mi
Sunrise: 6:23 am
8 am
  • 77°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph SW
  • Pressure: 30.09"Hg
  • Humidity: 89%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 84°F
  • Feels like:
    91°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SW
  • Pressure: 30.09"Hg
  • Humidity: 72%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 88°F
  • Feels like:
    97°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph SSW
  • Pressure: 30.09"Hg
  • Humidity: 62%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 90°F
  • Feels like:
    99°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SSW
  • Pressure: 30.03"Hg
  • Humidity: 56%
  • Precip. probability: 23%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 88°F
  • Feels like:
    97°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph SSE
  • Pressure: 30"Hg
  • Humidity: 60%
  • Precip. probability: 22%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 86°F
  • Feels like:
    93°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 7mph SSE
  • Pressure: 30"Hg
  • Humidity: 69%
  • Precip. probability: 35%
  • Precipitation: 0.12"
  • Visibility: 7mi
8 pm
  • 82°F
  • Feels like:
    88°F
Cloudy
Cloudy
  • Wind: 7mph S
  • Pressure: 30.03"Hg
  • Humidity: 78%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:30 pm
10 pm
  • 79°F
  • Feels like:
    86°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph S
  • Pressure: 30.03"Hg
  • Humidity: 82%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, on Monday, a combination of primarily cloud-filled and occasionally storm-filled and dry and sunny weather is anticipated.
Rainfall is predicted at 5 pm and 6 pm. With light precipitation of 0.12", most rainfall is expected at 6 pm.
The temperature will be between the lowest temperature of 73.4°F and the highest temperature of 89.6°F. The feels-like temperature will vary between the lowest temperature of 75.2°F and the highest temperature of 98.6°F. The hottest part of the day will be from 1 pm to 3 pm.
Updated: Jun 15, 2025 @ 23:11:05 UTC
Published by: Weather U.S. | About Us
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