Port San Juan, AK Weather Forecast
Local 7-day forecast
Mostly Cloudy then Scattered Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Port San Juan, AK in one place.
Scattered rain showers after 3pm. Mostly cloudy, with a high near 41. West wind 0 to 10 mph. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Port San Juan, AK is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 7, 2026 11:51 AM AKST.
The active forecast window currently covers Nov 8 to Nov 13, 2026 for Port San Juan, AK.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 8 to Nov 13, 2026
- Latest sync
- Nov 7, 2026 11:51 AM AKST
- Forecast office
- AER
- Source
- NOAA / NWS
Daily Outlook
This Week in Port San Juan
Tuesday looks like the warmest upcoming period in Port San Juan at 44 degrees F.
Friday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Monday at about 25 to 30 mph NE.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 7, 2026 11:51 AM AKST
- Coverage
- 7 days
- Time zone
- America/Anchorage
- Forecast office
- AER
- Radar station
- PAIH
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Scattered rain showers before midnight, then a chance of rain. Mostly cloudy, with a low around 36. Northeast wind 5 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Rain before noon, then rain and snow. Cloudy, with a high near 41. Northeast wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%.
Rain. Cloudy, with a low around 38. East wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 100%.
Rain. Cloudy, with a high near 44.
Rain. Mostly cloudy, with a low around 36.
Rain likely before 3pm, then a chance of rain and snow. Mostly cloudy, with a high near 41.
Rain and snow. Mostly cloudy, with a low around 34.
Rain and snow. Cloudy, with a high near 40.
Rain and snow likely before 9pm, then rain and snow likely. Cloudy, with a low around 35.
Rain and snow likely. Partly sunny, with a high near 40.
A chance of rain and snow. Mostly cloudy, with a low around 33.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Nov 8
|
Mostly Cloudy then Scattered Rain Showers
|
41°F |
0 to 10 mph
W
|
|
Sunday Night
Nov 8
|
Scattered Rain Showers then Chance Light Rain
|
36°F |
5 to 20 mph
NE
|
|
Monday
Nov 9
|
Rain then Rain And Snow
|
41°F |
25 to 30 mph
NE
|
|
Monday Night
Nov 9
|
Heavy Rain
|
38°F |
30 mph
E
|
|
Tuesday
Nov 10
|
Rain
|
44°F |
10 to 30 mph
SE
|
|
Tuesday Night
Nov 10
|
Light Rain
|
36°F |
10 mph
E
|
|
Veterans Day
Nov 11
|
Light Rain Likely
|
41°F |
5 to 10 mph
N
|
|
Wednesday Night
Nov 11
|
Rain And Snow
|
34°F |
5 to 10 mph
NE
|
|
Thursday
Nov 12
|
Rain And Snow
|
40°F |
10 mph
E
|
|
Thursday Night
Nov 12
|
Rain And Snow Likely
|
35°F |
10 to 15 mph
NE
|
|
Friday
Nov 13
|
Rain And Snow Likely
|
40°F |
5 to 15 mph
N
|
|
Friday Night
Nov 13
|
Chance Rain And Snow
|
33°F |
5 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Port San Juan.