St. Mary's, AK Weather Forecast

Local 7-day forecast

27°
F

Chance Light Snow

Track current conditions, temperature changes, wind, and the full daily outlook for St. Mary's, AK in one place.

Sunday, April 19, 2026
Wind: 15 to 20 mph E
Sunday

A chance of snow. Mostly cloudy, with a high near 27. New snow accumulation of less than one inch possible.

Local 7-day forecast

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
Next High
27°F
Sunday
Next Low
19°F
Sunday Night
Rain Outlook
4
Periods mentioning precipitation
Windiest
15 to 20 mph
Sunday

Daily Outlook

Today
Apr 19
Chance Light Snow
27 °F
/ 19°F
Wind 15 to 20 mph
Mon
Apr 20
Chance Light Snow
27 °F
/ 17°F
Wind 15 mph

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 source

Extended Forecast

Sunday Night
Apr 19
19°F
Chance Light Snow
15 mph E

A chance of snow. Mostly cloudy, with a low around 19. New snow accumulation of less than one inch possible.

Monday
Apr 20
27°F
Chance Light Snow
15 mph NE

A chance of snow. Mostly cloudy, with a high near 27.

Monday Night
Apr 20
17°F
Chance Light Snow
10 to 15 mph N

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
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.