St Augustine weather live forecast

Today's maximum temperature in St Augustine is expected to be 30°C. Select a day from the live weather forecast for St Augustine, Florida, USA for more weather parameters.

Thursday
21st May
30

22

13

UV9
Friday
22nd May
30

25

9

UV8
Saturday
23rd May
29

25

9

UV9
Sunday
24th May
30

25

7

UV8
Monday
25th May
30

25

8

UV10

5-day weather forecast updated at 04:01 on Friday 22nd May 2026 GMT

More about St Augustine

St Augustine by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Florida

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

The 5-day weather forecast for Florida (St Augustine) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

St Augustine weather forecast by day

Below are the detailed weather forecasts for St Augustine for the next 5 days.

St Augustine weather for Thursday 21st May 2026

Expect scattered clouds in St Augustine, Florida with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-east.

30
°C maximum temperature
22
°C minimum temperature
scattered clouds
13
hours of sunshine
UV9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from SE

St Augustine weather for Friday 22nd May 2026

Expect scattered clouds in St Augustine, Florida with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-east.

30
°C maximum temperature
25
°C minimum temperature
scattered clouds
9
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
23
kph wind from SE

St Augustine weather for Saturday 23rd May 2026

Expect scattered clouds in St Augustine, Florida with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-east.

29
°C maximum temperature
25
°C minimum temperature
scattered clouds
9
hours of sunshine
UV9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from SE

St Augustine weather for Sunday 24th May 2026

Expect isolated thunderstorms in St Augustine, Florida with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 64% chance of some rain and a moderate breeze of 20 kph from the south-east.

30
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
UV8
UV index (Very High)
64
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from SE

St Augustine weather for Monday 25th May 2026

Expect isolated thunderstorms in St Augustine, Florida with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 61% chance of some rain and a moderate breeze of 24 kph from the south-east.