Weather forecast for 10 days
Saint John Harbor, AK

Weather forecast for the weekend

Saturday, Apr 19.

Rain / Snow Showers
5:30 am

8:10 pm
AKDT
Rain / Snow Showers
45°F / 36°F
  • Wind: 4mph SSW
  • Humidity: 76%
  • Precip. probability: 46%
  • Precipitation: 0.12"
  • UV index: 2
On Saturday, April 19, expect rain showers with snowfall in higher elevations, leading to mixed precipitation.
Minimal precipitation is forecasted for tomorrow. With a low probability, light precipitation is anticipated.
The daytime temperature will peak at a brisk 44.6°F, slightly differing from the night's low of a cold 35.6°F.
Tomorrow's high temperature will mirror the usual April maximum of 43.3°F.
Sunrise will be at 5:30 am and sunset at 8:10 pm; tomorrow's daylight will last for 14h and 40min.

Sunday, Apr 20.

Partly Cloudy
5:28 am

8:12 pm
AKDT
Partly Cloudy
50°F / 37°F
  • Wind: 5mph WNW
  • Humidity: 69%
  • Precip. probability: 8%
  • Precipitation: 0"
  • UV index: 3
On Sunday, in Saint John Harbor, the sky will feature a blend of clouds and sunshine.
Rainfall is not expected. Predicted temperature values will span from a fresh 50°F down to a wintry 37.4°F.
On Sunday, temperatures will feel warmer as the forecast mirrors May's average high rather than April's.
Sunrise will be at 5:28 am and sunset at 8:12 pm; the daylight will last for 14h and 44min.

Frequently asked questions

What is the weather forecast for Saint John Harbor for tomorrow?
On Saturday, on-and-off rain showers will be accompanied by scattered snow flurries.
Will it rain tomorrow?
Tomorrow, there is a low chance of minimal precipitation in Saint John Harbor.
Will it snow tomorrow?
Light precipitation of 0.12" is expected. The chance of snowfall is 46%.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 44.6°F, while the lowest temperature will be 35.6°F.
The maximum temperature tomorrow will be in line with the average highest temperature in April. The lowest temperature will be also in line with the average low of 34.3°F.
When is the sunrise / sunset tomorrow?
On Saturday, in Saint John Harbor, sunrise will be at 5:30 am and sunset at 8:10 pm (AKDT).
How long will the day be tomorrow?
In Saint John Harbor, tomorrow, there will be 14h and 40min of daylight.
What is the weather forecast for Saint John Harbor for Sunday?
On Sunday, sun and clouds will share the sky, creating a partly cloudy day.
Will it rain on Sunday?
No, it will not rain on Sunday.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 50°F, while the minimum temperature will be 37.4°F.
What is the weather forecast for Saint John Harbor for the next ten days?
In Saint John Harbor, a combination of cloudy, wet and snow-filled weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rainfall is forecasted for Friday, Monday through Wednesday, next Friday and Sunday in Saint John Harbor. With light precipitation of 0.2", Monday and next Sunday will be the wettest days.
Will it snow in the next ten days in Saint John Harbor?
Snowfall is predicted only for Saturday. With a probability of 46%, moderate precipitation of 0.2" is expected.
How warm will it be in the next ten days?
The maximum temperature will vary between 44.6°F and 55.4°F, while the minimum temperature will range between 35.6°F and 42.8°F.
What will be the warmest and the coldest days?
The warmest day will be next Friday, with a maximum of 55.4°F. With a maximum temperature of 44.6°F, Friday and Saturday will be the coldest days in Saint John Harbor.

Long-term weather forecast

FriApr 18.
  • 45°F
  • 37°F
Rain
Rain
  • Wind: 12mph SW
  • Humidity: 76%
  • UV index: 2
  • Precip. probability: 76%
  • Precipitation: 0.16"
  • 5:33 am 8:08 pm AKDT
SatApr 19.
  • 45°F
  • 36°F
Rain / Snow Showers
Rain / Snow Showers
  • Wind: 4mph SSW
  • Humidity: 76%
  • UV index: 2
  • Precip. probability: 46%
  • Precipitation: 0.12"
  • 5:30 am 8:10 pm AKDT
SunApr 20.
  • 50°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph WNW
  • Humidity: 69%
  • UV index: 3
  • Precip. probability: 8%
  • Precipitation: 0"
  • 5:28 am 8:12 pm AKDT
MonApr 21.
  • 46°F
  • 41°F
PM Showers
PM Showers
  • Wind: 5mph SW
  • Humidity: 73%
  • UV index: 2
  • Precip. probability: 52%
  • Precipitation: 0.2"
  • 5:25 am 8:14 pm AKDT
TueApr 22.
  • 46°F
  • 41°F
Showers
Showers
  • Wind: 6mph S
  • Humidity: 83%
  • UV index: 2
  • Precip. probability: 65%
  • Precipitation: 0.16"
  • 5:23 am 8:16 pm AKDT
WedApr 23.
  • 50°F
  • 41°F
Showers
Showers
  • Wind: 6mph SE
  • Humidity: 74%
  • UV index: 2
  • Precip. probability: 34%
  • Precipitation: 0.12"
  • 5:20 am 8:19 pm AKDT
ThuApr 24.
  • 54°F
  • 41°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph N
  • Humidity: 65%
  • UV index: 3
  • Precip. probability: 19%
  • Precipitation: 0"
  • 5:18 am 8:21 pm AKDT
FriApr 25.
  • 55°F
  • 41°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 5mph WNW
  • Humidity: 66%
  • UV index: 3
  • Precip. probability: 24%
  • Precipitation: 0.04"
  • 5:15 am 8:23 pm AKDT
SatApr 26.
  • 54°F
  • 43°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 5mph S
  • Humidity: 69%
  • UV index: 3
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:13 am 8:25 pm AKDT
SunApr 27.
  • 54°F
  • 43°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph SE
  • Humidity: 71%
  • UV index: 3
  • Precip. probability: 24%
  • Precipitation: 0.2"
  • 5:11 am 8:27 pm AKDT
Over the next ten days, a mix of overcast, rain-filled and snow-filled weather is forecasted.
Rainfall is predicted for Friday, Monday through Wednesday, next Friday and Sunday. The days with the most rainfall will be Monday and next Sunday, with light precipitation of 0.2".
With a 46% probability, snowfall is anticipated only on Saturday. The precipitation will be moderate at 0.2".
In the upcoming period, the maximum temperature will range between 44.6°F and 55.4°F, while the lowest temperature will be between 35.6°F and 42.8°F.
The warmest day will be next Friday, with a maximum of 55.4°F; Friday and Saturday, with the highest temperature of 44.6°F, will be the coldest days in Saint John Harbor.
Updated: Apr 18, 2025 @ 15:41:15 UTC
Published by: Weather U.S. | About Us
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