Weather forecast for tomorrowSt. Augustine, FL

Weather forecast for tomorrow

Tuesday Oct 20, 2026

  • 73°F
  • 64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 15mphN 9°
  • Humidity: 67%
  • UV index: 7
  • Sunrise: 7:30 am EDT
  • Sunset: 6:49 pm EDT
  • ▼
On Tuesday, in St. Augustine, sunny moments will alternate with patchy cloud cover.
Minor temperature shifts from a high of a moderately hot 73.4°F to a low of a comfortable 64.4°F are expected.
The forecast high is lower and more aligned with what is typical in November than in October.
Sunrise will be at 7:30 am and sunset at 6:49 pm; tomorrow's daylight will last for 11h and 19min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 3 pm 72°C.
Coldest hour: 6 am 63°C.

Chance of precipitation

Highest chance: 9 am 5%.

Hourly weather forecast

  • 12 am
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphNNE 22°
  • Humidity: 73%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 66°F
  • Feels like:
    66°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 10mphNNE 16°
  • Humidity: 76%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 64°F
  • Feels like:
    63°F
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 10mphNNE 11°
  • Humidity: 79%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 63°F
  • Feels like:
    63°F
Mostly Clear
Mostly Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphN 357°
  • Humidity: 81%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:30 am
  • 8 am
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 10mphN 2°
  • Humidity: 81%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphN 6°
  • Humidity: 67%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphNNE 14°
  • Humidity: 63%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 2 pm
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 15mphNNE 17°
  • Humidity: 62%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 4 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 15mphNNE 17°
  • Humidity: 61%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 6 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphN 10°
  • Humidity: 65%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:49 pm
  • 8 pm
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphN 5°
  • Humidity: 67%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphNNE 16°
  • Humidity: 68%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of dull and bright weather is predicted.
The temperature will vary between a minimum of 62.6°F and a maximum of 73.4°F. The warmest part of the day will be at 1 pm and 2 pm.
The maximum temperature will be more consistent with November's average high of 73.9°F than October's 81°F. The lowest temperature is resembling October's typical minimum of 64.9°F.
Updated: Oct 19, 2026 @ 14:08:12 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, high-altitude clouds may scatter across the sky, but the sun will still shine.

Tomorrow, the highest temperature will be 73.4°F, while the lowest temperature will be 64.4°F.
The maximum temperature will be relatively lower than the average highest temperature of 81°F in October. The lowest temperature will be in line with the average low of 64.9°F.

On Tuesday, in St. Augustine, sunrise will be at 7:30 am and sunset at 6:49 pm (EDT).

Tomorrow, the daylight will last for 11h and 19min.