Weather forecast for 10 daysSaint John Harbor, AK
Weather forecast for the weekend
Sunday Oct 18, 2026
- 46°F
- 39°F
Rain
- Precip. probability: 97%
- Precipitation: 0.39"
- Wind: 4mphESE 105°
- Humidity: 91%
- UV index: 1
- Sunrise: 7:31 am AKDT
- Sunset: 5:42 pm AKDT
- details ▼
Tomorrow, in Saint John Harbor, expect intermittent rain, making for a damp and dreary day.
With a high probability, light precipitation is forecasted. Modest temperature shifts from a high of a brisk 46.4°F to a low of a wintry 39.2°F are anticipated.
Tomorrow's temperature is expected to match October's standard peak of 46°F.
Sunrise will be at 7:31 am and sunset at 5:42 pm; tomorrow's daylight will last for 10h and 11min.
With a high probability, light precipitation is forecasted. Modest temperature shifts from a high of a brisk 46.4°F to a low of a wintry 39.2°F are anticipated.
Tomorrow's temperature is expected to match October's standard peak of 46°F.
Sunrise will be at 7:31 am and sunset at 5:42 pm; tomorrow's daylight will last for 10h and 11min.
10-day overview
Daily temperatures
Maximum temperature: 48°C.
Minimum temperature: 46°C.
Minimum temperature: 46°C.
Chance of precipitation
Highest chance: Tuesday 100%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 45°F
Rain
- Precip. probability: 90%
- Precipitation: 0.28"
- Wind: 6mphSSE 165°
- Humidity: 89%
- UV index: 0
- Sunrise: 7:29 am AKDT
- Sunset: 5:45 pm AKDT
- details ▼
- Sunday
- Oct 18, 2026
- 46°F
- 39°F
Rain
- Precip. probability: 97%
- Precipitation: 0.39"
- Wind: 4mphESE 105°
- Humidity: 91%
- UV index: 1
- Sunrise: 7:31 am AKDT
- Sunset: 5:42 pm AKDT
- details ▼
- Monday
- Oct 19, 2026
- 48°F
- 43°F
Mostly Cloudy
- Precip. probability: 8%
- Precipitation: 0.28"
- Wind: 2mphNNE 26°
- Humidity: 86%
- UV index: 1
- Sunrise: 7:33 am AKDT
- Sunset: 5:40 pm AKDT
- details ▼
- Tuesday
- Oct 20, 2026
- 48°F
- 43°F
Rain
- Precip. probability: 100%
- Precipitation: 1.1"
- Wind: 16mphSE 132°
- Humidity: 91%
- UV index: 1
- Sunrise: 7:35 am AKDT
- Sunset: 5:37 pm AKDT
- details ▼
- Wednesday
- Oct 21, 2026
- 48°F
- 41°F
Rain
- Precip. probability: 85%
- Precipitation: 0.47"
- Wind: 6mphS 172°
- Humidity: 87%
- UV index: 1
- Sunrise: 7:37 am AKDT
- Sunset: 5:35 pm AKDT
- details ▼
- Thursday
- Oct 22, 2026
- 46°F
- 37°F
Showers
- Precip. probability: 61%
- Precipitation: 0.2"
- Wind: 5mphESE 114°
- Humidity: 87%
- UV index: 1
- Sunrise: 7:39 am AKDT
- Sunset: 5:32 pm AKDT
- details ▼
- Friday
- Oct 23, 2026
- 46°F
- 36°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 2mphENE 57°
- Humidity: 83%
- UV index: 1
- Sunrise: 7:41 am AKDT
- Sunset: 5:30 pm AKDT
- details ▼
- Saturday
- Oct 24, 2026
- 46°F
- 37°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.16"
- Wind: 3mphNNE 22°
- Humidity: 81%
- UV index: 1
- Sunrise: 7:43 am AKDT
- Sunset: 5:27 pm AKDT
- details ▼
- Sunday
- Oct 25, 2026
- 46°F
- 39°F
Rain
- Precip. probability: 60%
- Precipitation: 0.63"
- Wind: 5mphE 81°
- Humidity: 84%
- UV index: 1
- Sunrise: 7:46 am AKDT
- Sunset: 5:25 pm AKDT
- details ▼
- Monday
- Oct 26, 2026
- 46°F
- 37°F
Showers
- Precip. probability: 49%
- Precipitation: 0.16"
- Wind: 3mphNE 37°
- Humidity: 87%
- UV index: 1
- Sunrise: 7:48 am AKDT
- Sunset: 5:23 pm AKDT
- details ▼
Across the following ten days, a combination of rain-filled and cloud-filled weather is expected.
Rainfall is forecasted nearly every day for the next ten days.
The maximum temperature will be almost identical over the next several days. The maximum temperature will vary between 46.4°F and 48.2°F, while nighttime temperatures are expected to vary from 35.6°F to 44.6°F.
The warmest days in Saint John Harbor will be Monday through Wednesday, with a maximum of 48.2°F; on all other days, the maximum temperature remains steady at 46.4°F.
Rainfall is forecasted nearly every day for the next ten days.
The maximum temperature will be almost identical over the next several days. The maximum temperature will vary between 46.4°F and 48.2°F, while nighttime temperatures are expected to vary from 35.6°F to 44.6°F.
The warmest days in Saint John Harbor will be Monday through Wednesday, with a maximum of 48.2°F; on all other days, the maximum temperature remains steady at 46.4°F.
Updated: Oct 18, 2026 @ 00:11:32 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, in Saint John Harbor, rain is expected, making for a wet day.
Light precipitation of 0.39" is predicted. The possibility of rainfall is high at 97%.
Tomorrow, the highest temperature will be 46.4°F, while the lowest temperature will be 39.2°F.
The highest temperature will be in line with the average maximum of 46°F in October. The lowest temperature will be also in line with the average low of 39.7°F.
The highest temperature will be in line with the average maximum of 46°F in October. The lowest temperature will be also in line with the average low of 39.7°F.
On Sunday, in Saint John Harbor, sunrise will be at 7:31 am and sunset at 5:42 pm (AKDT).
In Saint John Harbor, tomorrow, there will be 10h and 11min of daylight.
