St. Mary's, AK Weather Forecast
Local 7-day forecast
Chance Light Snow
Track current conditions, temperature changes, wind, and the full daily outlook for St. Mary's, AK in one place.
A chance of snow. Mostly cloudy, with a high near 27. New snow accumulation of less than one inch possible.
Local Weather Overview
This forecast page for St. Mary's, 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: Apr 14, 2026 1:39 PM AKDT.
The active forecast window currently covers Apr 19 to Apr 20, 2026 for St. Mary's, AK.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 20, 2026
- Latest sync
- Apr 14, 2026 1:39 PM AKDT
- Forecast office
- AFG
- Source
- NOAA / NWS
Daily Outlook
This Week in St. Mary's
Sunday looks like the warmest upcoming period in St. Mary's at 27 degrees F.
Monday Night is the coolest period ahead with temperatures near 17 degrees F.
The strongest winds are forecast for Sunday at about 15 to 20 mph E.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 14, 2026 1:39 PM AKDT
- Coverage
- 3 days
- Time zone
- America/Anchorage
- Forecast office
- AFG
- Radar station
- PABC
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of snow. Mostly cloudy, with a low around 19. New snow accumulation of less than one inch possible.
A chance of snow. Mostly cloudy, with a high near 27.
A chance of snow. Mostly cloudy, with a low around 17.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Chance Light Snow
|
27°F |
15 to 20 mph
E
|
|
Sunday Night
Apr 19
|
Chance Light Snow
|
19°F |
15 mph
E
|
|
Monday
Apr 20
|
Chance Light Snow
|
27°F |
15 mph
NE
|
|
Monday Night
Apr 20
|
Chance Light Snow
|
17°F |
10 to 15 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around St. Mary's .