Weather forecast for 10 daysSaint Johns, FL

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 70°F
  • 63°F
Cloudy
Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 17mphNNE 28°
  • Humidity: 69%
  • UV index: 3
  • Sunrise: 7:30 am EDT
  • Sunset: 6:52 pm EDT
  • ▼
On Sunday, October 18, expect a cloud-dominated sky with no significant clearing.
The day's temperature scale will range from a moderate high of a delightful 69.8°F to a minimum of a breezy 62.6°F.
Sunrise will be at 7:30 am and sunset at 6:52 pm; the daylight will last for 11h and 22min.

10-day overview

Daily temperatures

Warmest day: Wednesday 79°C.
Coldest day: today 70°C.

Chance of precipitation

Highest chance: Saturday 65%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 70°F
  • 63°F
Cloudy
Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 17mphNNE 28°
  • Humidity: 69%
  • UV index: 3
  • Sunrise: 7:30 am EDT
  • Sunset: 6:52 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 72°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 13mphNNE 14°
  • Humidity: 68%
  • UV index: 7
  • Sunrise: 7:30 am EDT
  • Sunset: 6:51 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 75°F
  • 55°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 12mphN 3°
  • Humidity: 59%
  • UV index: 7
  • Sunrise: 7:31 am EDT
  • Sunset: 6:50 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 79°F
  • 54°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 12mphN 7°
  • Humidity: 61%
  • UV index: 7
  • Sunrise: 7:32 am EDT
  • Sunset: 6:49 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 77°F
  • 55°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 10mphN 1°
  • Humidity: 55%
  • UV index: 7
  • Sunrise: 7:33 am EDT
  • Sunset: 6:48 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 77°F
  • 64°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 12mphNNE 15°
  • Humidity: 60%
  • UV index: 7
  • Sunrise: 7:33 am EDT
  • Sunset: 6:47 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 75°F
  • 64°F
Showers
Showers
  • Precip. probability: 65%
  • Precipitation: 0"
  • Wind: 17mphNNE 28°
  • Humidity: 73%
  • UV index: 7
  • Sunrise: 7:34 am EDT
  • Sunset: 6:46 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 73°F
  • 63°F
Showers
Showers
  • Precip. probability: 62%
  • Precipitation: 0.35"
  • Wind: 16mphNNE 21°
  • Humidity: 73%
  • UV index: 5
  • Sunrise: 7:35 am EDT
  • Sunset: 6:45 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 75°F
  • 61°F
AM Showers
AM Showers
  • Precip. probability: 54%
  • Precipitation: 0.31"
  • Wind: 16mphNNE 16°
  • Humidity: 71%
  • UV index: 6
  • Sunrise: 7:35 am EDT
  • Sunset: 6:44 pm EDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 77°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.04"
  • Wind: 11mphN 9°
  • Humidity: 65%
  • UV index: 6
  • Sunrise: 7:36 am EDT
  • Sunset: 6:43 pm EDT
  • ▼
Looking ahead, conditions suggest a period of clear, showery and gloomy weather is predicted.
Rainfall is forecasted for next Sunday through next Tuesday.
In the coming days, the maximum temperature will range between 69.8°F and 78.8°F, while the low temperature range extends from 53.6°F to 64.4°F.
The warmest day will be Wednesday, with a maximum of 78.8°F; today is the coldest day, with a maximum temperature of 69.8°F.
Updated: Oct 18, 2026 @ 05:43:54 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Saint Johns, the sky will remain cloudy throughout.

Today, the maximum temperature will be 69.8°F, while the minimum temperature will be 62.6°F.

On Sunday, in Saint Johns, sunrise will be at 7:30 am and sunset at 6:52 pm (EDT).

In Saint Johns, the length of the day today will be 11h and 22min.