St. Mary's, AK Weather Forecast

Local 7-day forecast

56°
F

Chance Rain Showers

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

Saturday, July 18, 2026
Wind: 5 to 15 mph E
Saturday

A chance of rain showers. Mostly cloudy, with a high near 56. East wind 5 to 15 mph. Chance of precipitation is 70%.

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: Jul 16, 2026 11:58 PM AKDT.

The active forecast window currently covers Jul 18 to Jul 23, 2026 for St. Mary's, AK.

Page Snapshot

Page focus
city weather
Forecast window
Jul 18 to Jul 23, 2026
Latest sync
Jul 16, 2026 11:58 PM AKDT
Forecast office
AFG
Source
NOAA / NWS
Next High
56°F
Saturday
Next Low
44°F
Saturday Night
Rain Outlook
11
Periods mentioning precipitation
Windiest
5 to 15 mph
Saturday

Daily Outlook

Today
Jul 18
Chance Rain Showers
56 °F
/ 44°F
Wind 5 to 15 mph
Sun
Jul 19
Rain Showers
55 °F
/ 44°F
Wind 15 mph
Mon
Jul 20
Rain Showers
56 °F
/ 43°F
Wind 5 to 15 mph
Tue
Jul 21
Rain Showers
54 °F
/ 44°F
Wind 10 to 15 mph
Wed
Jul 22
Rain Showers
54 °F
/ 44°F
Wind 10 to 15 mph
Thu
Jul 23
Rain Showers
56 °F
Wind 5 to 15 mph

This Week in St. Mary's

Saturday looks like the warmest upcoming period in St. Mary's at 56 degrees F.

Monday Night is the coolest period ahead with temperatures near 43 degrees F.

The strongest winds are forecast for Saturday at about 5 to 15 mph E.

Precipitation is mentioned in 11 upcoming forecast periods.

Forecast Details

Last updated
Jul 16, 2026 11:58 PM AKDT
Coverage
6 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

Saturday Night
Jul 18
44°F
Chance Rain Showers
10 to 15 mph E

A chance of rain showers. Mostly cloudy, with a low around 44. East wind 10 to 15 mph. Chance of precipitation is 70%.

Sunday
Jul 19
55°F
Rain Showers
15 mph E

Rain showers. Cloudy, with a high near 55. Chance of precipitation is 90%.

Sunday Night
Jul 19
44°F
Rain Showers
5 to 15 mph SE

Rain showers. Cloudy, with a low around 44.

Monday
Jul 20
56°F
Rain Showers
5 to 15 mph SE

Rain showers. Cloudy, with a high near 56.

Monday Night
Jul 20
43°F
Rain Showers
10 to 15 mph S

Rain showers. Mostly cloudy, with a low around 43.

Tuesday
Jul 21
54°F
Rain Showers
10 to 15 mph SE

Rain showers. Mostly cloudy, with a high near 54.

Tuesday Night
Jul 21
44°F
Rain Showers
10 to 15 mph SE

Rain showers. Cloudy, with a low around 44.

Wednesday
Jul 22
54°F
Rain Showers
10 to 15 mph SE

Rain showers. Cloudy, with a high near 54.

Wednesday Night
Jul 22
44°F
Rain Showers
5 to 15 mph S

Rain showers. Cloudy, with a low around 44.

Thursday
Jul 23
56°F
Rain Showers
5 to 15 mph S

Rain showers. Cloudy, with a high near 56.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Jul 18
Chance Rain Showers
56°F
5 to 15 mph
E
Saturday Night
Jul 18
Chance Rain Showers
44°F
10 to 15 mph
E
Sunday
Jul 19
Rain Showers
55°F
15 mph
E
Sunday Night
Jul 19
Rain Showers
44°F
5 to 15 mph
SE
Monday
Jul 20
Rain Showers
56°F
5 to 15 mph
SE
Monday Night
Jul 20
Rain Showers
43°F
10 to 15 mph
S
Tuesday
Jul 21
Rain Showers
54°F
10 to 15 mph
SE
Tuesday Night
Jul 21
Rain Showers
44°F
10 to 15 mph
SE
Wednesday
Jul 22
Rain Showers
54°F
10 to 15 mph
SE
Wednesday Night
Jul 22
Rain Showers
44°F
5 to 15 mph
S
Thursday
Jul 23
Rain Showers
56°F
5 to 15 mph
S
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.