St. Marys, AK Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for St. Marys, AK.

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Current Conditions — Saint Marys, AK

SAINT MARYS (PASM)

Cloudy

37.4 F
Humidity:81%
Wind Speed:SE 13.8 G 19.6 mph
Barometer:29.70 in
Dewpoint:32.0 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:28.9 F
Apr 29 2026, 04:25 PM AKDT
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5-Day Forecast — Saint Marys, AK

Wednesday

High 39 °F
Rain Likely
Wednesday
Night
Low 32 °F
Rain/Snow Mix Likely
Thursday

High 39 °F
Rain/Snow Mix
Thursday
Night
Low 33 °F
Rain
Friday

High 46 °F
Rain Likely
Friday
Night
Low 32 °F
Rain/Snow Mix Likely
Saturday

High 39 °F
Rain/Snow Mix
Saturday
Night
Low 32 °F
Rain/Snow Mix
Sunday

High 39 °F
Chance of Rain/Snow Mix

Detailed Forecast — Saint Marys, AK

Wednesday
Rain Likely. High near 39°F. Wind 15 to 18 mph, with gusts as high as 25 mph.
Wednesday Night
Rain/Snow Mix Likely. Low around 32°F. Wind 10 to 12 mph, with gusts as high as 16 mph.
Thursday
Rain/Snow Mix. High near 39°F. Wind 9 to 15 mph, with gusts as high as 21 mph.
Thursday Night
Rain. Low around 33°F. Wind 9 to 12 mph, with gusts as high as 16 mph.
Friday
Rain Likely. High near 46°F. Wind 12 to 14 mph, with gusts as high as 20 mph.
Friday Night
Rain/Snow Mix Likely. Low around 32°F. Wind 9 to 13 mph.
Saturday
Rain/Snow Mix. High near 39°F. Wind 14 to 16 mph.
Saturday Night
Rain/Snow Mix. Low around 32°F. Wind around 12 mph.
Sunday
Chance of Rain/Snow Mix. High near 39°F. Wind 12 to 13 mph.
Sunday Night
Chance of Rain/Snow Mix. Low around 30°F. Wind 7 to 8 mph.
Monday
Slight Chance of Rain/Snow Mix. High near 41°F. Wind 8 to 9 mph.
Monday Night
Slight Chance of Rain/Snow Mix. Low around 30°F. Wind 7 to 8 mph.
Tuesday
Slight Chance of Rain/Snow Mix. High near 44°F. Wind around 10 mph.
AK Radar
Current Radar • AK
Day 1 Outlook • April 30, 2026

Observation History — Saint Marys, AK

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
04:25 PM AKDT SE 13.8 G 19.6 10.00 Cloudy -- 37.4 32.0 81% 28.9 NA 29.70 1005.8
04:20 PM AKDT SE 16.1 10.00 Cloudy -- 37.4 32.0 81% 28.2 NA 29.70 1005.8
04:00 PM AKDT 16.1 10.00 Light Rain -- 35.6 32.0 87% 25.9 NA 29.70 1005.8
03:50 PM AKDT 16.1 10.00 Light Rain -- 35.6 32.0 87% 25.9 NA 29.70 1005.8
03:45 PM AKDT SE 18.4 10.00 Light Rain -- 37.4 32.0 81% 27.5 NA 29.70 1005.8
03:40 PM AKDT 18.4 10.00 Cloudy -- 37.4 30.2 75% 27.5 NA 29.70 1005.8
03:35 PM AKDT 16.1 10.00 Cloudy -- 37.4 32.0 81% 28.2 NA 29.70 1005.8
03:30 PM AKDT SE 15.0 10.00 Light Rain -- 37.4 32.0 81% 28.6 NA 29.70 1005.8
03:20 PM AKDT 18.4 10.00 Light Rain -- 35.6 33.8 93% 25.2 NA 29.70 1005.8
03:05 PM AKDT 15.0 10.00 Cloudy -- 37.4 32.0 81% 28.6 NA 29.70 1005.8
03:00 PM AKDT 13.8 10.00 Cloudy -- 37.4 33.8 87% 28.9 NA 29.70 1005.8
02:50 PM AKDT 19.6 G 26.5 10.00 Light Rain -- 35.6 33.8 93% 24.8 NA 29.70 1005.8
02:45 PM AKDT 17.3 10.00 Light Rain -- 37.4 33.8 87% 27.9 NA 29.70 1005.8
02:40 PM AKDT SE 17.3 10.00 Light Rain -- 37.4 33.8 87% 27.9 NA 29.70 1005.8
02:35 PM AKDT SE 17.3 10.00 Light Rain -- 35.6 33.8 93% 25.5 NA 29.70 1005.8
02:25 PM AKDT SE 19.6 10.00 Light Rain -- 35.6 33.8 93% 24.8 NA 29.69 1005.4
02:20 PM AKDT SE 16.1 10.00 Light Rain -- 35.6 33.8 93% 25.9 NA 29.70 1005.8
02:10 PM AKDT SE 17.3 G 25.3 10.00 Light Rain -- 35.6 33.8 93% 25.5 NA 29.69 1005.4
02:05 PM AKDT SE 17.3 10.00 Unknown Precipitation -- 35.6 32.0 87% 25.5 NA 29.69 1005.4
02:00 PM AKDT SE 17.3 10.00 Unknown Precipitation -- 35.6 32.0 87% 25.5 NA 29.69 1005.4
01:50 PM AKDT SE 21.9 10.00 Cloudy and Windy -- 35.6 32.0 87% 24.3 NA 29.69 1005.4
01:45 PM AKDT SE 18.4 10.00 Cloudy -- 35.6 32.0 87% 25.2 NA 29.69 1005.4
01:40 PM AKDT SE 17.3 10.00 Cloudy -- 35.6 33.8 93% 25.5 NA 29.69 1005.4
01:35 PM AKDT SE 13.8 10.00 Unknown Precipitation -- 35.6 33.8 93% 26.6 NA 29.69 1005.4

Regional Weather Observation

SAINT MARYS (PASM)

Cloudy
37.4 F

MARSHALL (PADM)

Mostly Cloudy
41.0 F

RUSSIAN MISSION (PARS)

Mostly Cloudy
41.0 F

(PAMK)


F

CAPE ROMANZOF (PACZ)

Light Snow and Fog/Mist
32.0 F

ANVIK (PANV)

Cloudy
42.8 F
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