Weather forecast for 10 daysSaint John Harbor, AK
Weather forecast for the weekend
Saturday Oct 17, 2026
- 48°F
- 45°F
Showers
- Precip. probability: 64%
- Precipitation: 0.28"
- Wind: 7mphSSE 160°
- Humidity: 91%
- UV index: 0
- Sunrise: 7:29 am AKDT
- Sunset: 5:45 pm AKDT
- details ▼
Today, expect light rain showers throughout the day, with a break in the rain later in the day.
The chance of precipitation is high. However, the rain will be light. A modest fluctuation in temperature is predicted, achieving a maximum of a frosty 48.2°F and dipping to a minimum of a chilly 44.6°F.
Today's high is expected to coincide with the typical October maximum of 46°F.
Sunrise was at 7:29 am and sunset will be at 5:45 pm; the daylight will last for 10h and 16min.
The chance of precipitation is high. However, the rain will be light. A modest fluctuation in temperature is predicted, achieving a maximum of a frosty 48.2°F and dipping to a minimum of a chilly 44.6°F.
Today's high is expected to coincide with the typical October maximum of 46°F.
Sunrise was at 7:29 am and sunset will be at 5:45 pm; the daylight will last for 10h and 16min.
Sunday Oct 18, 2026
- 46°F
- 37°F
Rain
- Precip. probability: 95%
- Precipitation: 0.35"
- Wind: 4mphESE 106°
- Humidity: 91%
- UV index: 1
- Sunrise: 7:31 am AKDT
- Sunset: 5:42 pm AKDT
- details ▼
On Sunday, in Saint John Harbor, rainfall will continue, making for a gray and wet day.
With a high probability, light precipitation is forecasted for tomorrow. Temperature shifts will be minor, ranging from a high of a frosty 46.4°F to a low of a wintry 37.4°F.
The maximum temperature tomorrow is anticipated to reflect October's average high 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 for tomorrow. Temperature shifts will be minor, ranging from a high of a frosty 46.4°F to a low of a wintry 37.4°F.
The maximum temperature tomorrow is anticipated to reflect October's average high 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
- 48°F
- 45°F
Showers
- Precip. probability: 64%
- Precipitation: 0.28"
- Wind: 7mphSSE 160°
- Humidity: 91%
- UV index: 0
- Sunrise: 7:29 am AKDT
- Sunset: 5:45 pm AKDT
- details ▼
- Sunday
- Oct 18, 2026
- 46°F
- 37°F
Rain
- Precip. probability: 95%
- Precipitation: 0.35"
- Wind: 4mphESE 106°
- 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: 9%
- Precipitation: 0.28"
- Wind: 2mphNNE 22°
- Humidity: 87%
- 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 131°
- Humidity: 91%
- UV index: 1
- Sunrise: 7:35 am AKDT
- Sunset: 5:37 pm AKDT
- details ▼
- Wednesday
- Oct 21, 2026
- 46°F
- 41°F
Rain
- Precip. probability: 85%
- Precipitation: 0.47"
- Wind: 6mphS 172°
- Humidity: 88%
- 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: 3mphENE 58°
- 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 ▼
Over the next ten days, a combination of rain-filled and overcast weather is anticipated.
Almost every day for the next ten days, rain is forecasted.
The temperature shift across days will be subtle in the upcoming period. Highs will range from 46.4°F to 48.2°F, while the forecast minimum temperature falls between 35.6°F and 44.6°F.
The warmest days in Saint John Harbor will be Saturday, Monday and Tuesday, with a maximum of 48.2°F; all other days, the highest temperature will be 46.4°F.
Almost every day for the next ten days, rain is forecasted.
The temperature shift across days will be subtle in the upcoming period. Highs will range from 46.4°F to 48.2°F, while the forecast minimum temperature falls between 35.6°F and 44.6°F.
The warmest days in Saint John Harbor will be Saturday, Monday and Tuesday, with a maximum of 48.2°F; all other days, the highest temperature will be 46.4°F.
Updated: Oct 17, 2026 @ 22:06:01 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
On Saturday, in Saint John Harbor, expect occasional showers throughout the day, with the rain easing off in the afternoon.
Light precipitation of 0.28" is forecasted in Saint John Harbor. The chance of rainfall is 64%.
Today, the highest temperature will be 48.2°F, while the lowest temperature will be 44.6°F.
Today, the maximum temperature will be in line with the average highest temperature in October. Today, the lowest temperature will be moderately higher than the average low temperature.
Today, the maximum temperature will be in line with the average highest temperature in October. Today, the lowest temperature will be moderately higher than the average low temperature.
On Saturday, in Saint John Harbor, sunrise was at 7:29 am and sunset will be at 5:45 pm (AKDT).
Today, the daylight will last for 10h and 16min.
Tomorrow, wet weather is in store, with rain expected on and off.
Light precipitation of 0.35" is anticipated. The chance of rainfall is high at 95%.
Tomorrow, the maximum temperature will be 46.4°F, while the minimum temperature will be 37.4°F.
The maximum temperature will be in line with the average highest temperature of 46°F in October. The lowest temperature tomorrow will be also in line with the average low temperature.
The maximum temperature will be in line with the average highest temperature of 46°F in October. The lowest temperature tomorrow will be also in line with the average low temperature.
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.
