Weather forecast for 10 days
St. Augustine, FL

Weather forecast for the weekend

Sunday, Jun 15.

PM Thunderstorms
6:22 am

8:29 pm
EDT
PM Thunderstorms
86°F / 73°F
  • Wind: 11mph SSE
  • Humidity: 78%
  • Precip. probability: 65%
  • Precipitation: 0.35"
  • UV index: 10
On Sunday, in St. Augustine, isolated thunderstorms are expected with brief heavy rain.
The chance of rainfall for tomorrow is high. However, precipitation will be light. The maximum temperature will be a hot 86°F, while the minimum forecasted temperature is a warm 73.4°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is appraised at a very hot 98.6°F. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The maximum temperature is predicted to match the regular June high of 88°F.
Sunrise will be at 6:22 am and sunset at 8:29 pm; tomorrow's daylight will last for 14h and 7min.

Frequently asked questions

What is the weather forecast for St. Augustine for the next ten days?
In St. Augustine, a combination of cloud-filled, stormy and sun-filled weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rainfall is expected on Saturday through Monday, Friday and next Saturday in St. Augustine. Sunday, with light precipitation of 0.35", will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 86°F and 87.8°F, while the minimum temperature will vary between 73.4°F and 75.2°F.
Including the humidity's impact, the maximum feel-like temperature will vary between 96.8°F and 102.2°F.
What will be the hottest and the coldest days?
The hottest days will be Monday through next Sunday, with a maximum of 87.8°F. With a maximum temperature of 86°F, Sunday and next Monday will be the coldest days.

Long-term weather forecast

SatJun 14.
  • min.
  • 73°F
Thunderstorms Early
Thunderstorms Early
  • Wind: 6mph S
  • Humidity: 88%
  • UV index: 0
  • Precip. probability: 84%
  • Precipitation: 0.08"
  • 6:22 am 8:28 pm EDT
SunJun 15.
  • 86°F
  • 73°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 11mph SSE
  • Humidity: 78%
  • UV index: 10
  • Precip. probability: 65%
  • Precipitation: 0.35"
  • 6:22 am 8:29 pm EDT
MonJun 16.
  • 88°F
  • 73°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 12mph SSE
  • Humidity: 75%
  • UV index: 11
  • Precip. probability: 45%
  • Precipitation: 0.12"
  • 6:22 am 8:29 pm EDT
TueJun 17.
  • 88°F
  • 73°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph SSE
  • Humidity: 72%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:22 am 8:29 pm EDT
WedJun 18.
  • 88°F
  • 75°F
Mostly Sunny
Mostly Sunny
  • Wind: 13mph SSE
  • Humidity: 72%
  • UV index: 11
  • Precip. probability: 21%
  • Precipitation: 0"
  • 6:23 am 8:29 pm EDT
ThuJun 19.
  • 88°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SSE
  • Humidity: 72%
  • UV index: 10
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:23 am 8:30 pm EDT
FriJun 20.
  • 88°F
  • 73°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SSE
  • Humidity: 73%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0.08"
  • 6:23 am 8:30 pm EDT
SatJun 21.
  • 88°F
  • 75°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 11mph SE
  • Humidity: 74%
  • UV index: 10
  • Precip. probability: 33%
  • Precipitation: 0.08"
  • 6:23 am 8:30 pm EDT
SunJun 22.
  • 88°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph ESE
  • Humidity: 72%
  • UV index: 10
  • Precip. probability: 20%
  • Precipitation: 0"
  • 6:23 am 8:30 pm EDT
MonJun 23.
  • 86°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph ESE
  • Humidity: 74%
  • UV index: 10
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:24 am 8:30 pm EDT
During the ten-day period, dull, stormy and mostly clear weather is predicted.
Rainfall is anticipated on Saturday through Monday, Friday and next Saturday.
The high temperatures are expected to remain largely stable over the next several days. Highs will range from 86°F to 87.8°F, while the nighttime low will be also mostly stable, as night temperatures will lie between 73.4°F and 75.2°F.
Monday through next Sunday, with the highest temperature of 87.8°F, will be the hottest days in St. Augustine; with a maximum temperature of 86°F, Sunday and next Monday will be the coldest days in St. Augustine.
Combining with the humidity, the maximum feel-like temperature may increase considerably and range between a torrid 96.8°F and a fiery hot 102.2°F.
Updated: Jun 15, 2025 @ 02:19:57 UTC
Published by: Weather U.S. | About Us
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