Weather forecast for 10 daysSaint John, VI

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 86°F
  • 77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0.08"
  • Wind: 10mphSE 127°
  • Humidity: 68%
  • UV index: 11
  • Sunrise: 6:13 am AST
  • Sunset: 5:55 pm AST
  • ▼
On Saturday, in Saint John, intermittent cloud cover is expected, allowing for some sunshine.
Minimal precipitation is forecasted for today. Temperature shifts will be minor, ranging from a high of a humid 86°F to a low of a moderately hot 77°F.
The maximum heat index, which adjusts the air temperature based on humidity, is estimated at a sizzling 95°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Today, the maximum temperature is predicted to be in line with the typical October high of 86°F.
Sunrise was at 6:13 am and sunset will be at 5:55 pm; the daylight will last for 11h and 42min.

Sunday Oct 18, 2026

  • 86°F
  • 77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0"
  • Wind: 9mphSE 139°
  • Humidity: 70%
  • UV index: 11
  • Sunrise: 6:13 am AST
  • Sunset: 5:54 pm AST
  • ▼
On Sunday, October 18, high-altitude clouds may scatter across the sky, but the sun will still shine.
Temperature values will show minor divergence, extending from a blazing 86°F to a temperate 77°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is calculated to be a fiery hot 95°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.
The maximum temperature for tomorrow is anticipated to match the regular October high of 86°F.
Sunrise will be at 6:13 am and sunset at 5:54 pm; tomorrow's daylight will last for 11h and 41min.

10-day overview

Daily temperatures

Maximum temperature: 86°C.
Coldest day: Tuesday 84°C.

Chance of precipitation

Highest chance: Thursday 34%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 86°F
  • 77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0.08"
  • Wind: 10mphSE 127°
  • Humidity: 68%
  • UV index: 11
  • Sunrise: 6:13 am AST
  • Sunset: 5:55 pm AST
  • ▼
  • Sunday
  • Oct 18, 2026
  • 86°F
  • 77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0"
  • Wind: 9mphSE 139°
  • Humidity: 70%
  • UV index: 11
  • Sunrise: 6:13 am AST
  • Sunset: 5:54 pm AST
  • ▼
  • Monday
  • Oct 19, 2026
  • 86°F
  • 77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 10mphSE 131°
  • Humidity: 71%
  • UV index: 11
  • Sunrise: 6:13 am AST
  • Sunset: 5:53 pm AST
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 84°F
  • 77°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphSSE 149°
  • Humidity: 70%
  • UV index: 11
  • Sunrise: 6:14 am AST
  • Sunset: 5:53 pm AST
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 86°F
  • 77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 11mphSSE 154°
  • Humidity: 70%
  • UV index: 11
  • Sunrise: 6:14 am AST
  • Sunset: 5:52 pm AST
  • ▼
  • Thursday
  • Oct 22, 2026
  • 86°F
  • 79°F
PM Showers
PM Showers
  • Precip. probability: 34%
  • Precipitation: 0.08"
  • Wind: 12mphSSE 151°
  • Humidity: 72%
  • UV index: 10
  • Sunrise: 6:14 am AST
  • Sunset: 5:51 pm AST
  • ▼
  • Friday
  • Oct 23, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 14mphSE 135°
  • Humidity: 72%
  • UV index: 10
  • Sunrise: 6:15 am AST
  • Sunset: 5:51 pm AST
  • ▼
  • Saturday
  • Oct 24, 2026
  • 86°F
  • 79°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 16mphSE 131°
  • Humidity: 71%
  • UV index: 8
  • Sunrise: 6:15 am AST
  • Sunset: 5:50 pm AST
  • ▼
  • Sunday
  • Oct 25, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 14mphSE 132°
  • Humidity: 71%
  • UV index: 9
  • Sunrise: 6:15 am AST
  • Sunset: 5:50 pm AST
  • ▼
  • Monday
  • Oct 26, 2026
  • 86°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0.08"
  • Wind: 14mphESE 123°
  • Humidity: 71%
  • UV index: 8
  • Sunrise: 6:16 am AST
  • Sunset: 5:49 pm AST
  • ▼
Primarily gloomy and occasionally sunny and rain-filled weather is anticipated.
Rainfall is anticipated on Thursday and next Monday. With minimal precipitation of 0.08", Saturday, Thursday and next Monday will be the wettest days.
The high temperatures are expected to remain largely stable in the forecast period ahead. Highs will range from 84.2°F to 86°F, while the lowest nightly temperature differences will be also negligible, as the lowest temperatures will remain in the range of 77°F to 78.8°F.
Maximum temperatures during the upcoming ten days will remain around 86°F nearly every day; Tuesday will be the coldest day, with the highest temperature of 84.2°F.
Taking the humidity into consideration, the maximum feel-like temperature may increase considerably and vary between a blazing 91.4°F and a fiery hot 96.8°F.
Updated: Oct 17, 2026 @ 14:01:44 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, in Saint John, clouds and sunshine will create a dynamic sky throughout the day.

Today, there is a low probability of minimal rainfall in Saint John.

Today, the maximum temperature will be 86°F, while the minimum temperature will be 77°F. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is computed to be 95°F.
Today, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature today will be also in line with the average low temperature.

On Saturday, in Saint John, sunrise was at 6:13 am and sunset will be at 5:55 pm (AST).

In Saint John, the length of the day today will be 11h and 42min.

Tomorrow, a partly cloudy outlook will keep the sky interesting throughout the day.

Tomorrow, the highest temperature will be 86°F, while the lowest temperature will be 77°F. The maximum heat index, which measures the combined effect of heat and moisture, is calculated to be 95°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.

On Sunday, in Saint John, sunrise will be at 6:13 am and sunset at 5:54 pm (AST).

In Saint John, tomorrow, there will be 11h and 41min of daylight.