What is the weather in St. Mary's right now?

Current weather in St. Mary's is overcast clouds.

Where can I find the hourly weather forecast for St. Mary's?

This page shows hourly weather forecast for St. Mary's, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for St. Mary's updated regularly?

Weather data for St. Mary's is updated regularly with the latest available observations and forecasts.

Now · 2:07 AM

St. Mary's Weather & Hourly Forecast

United States · Alaska · 99658

42°F

Overcast night

Feels like: 35°F

💧 Humidity 79% 🌡 Pressure 29.97 inHg 💨 Wind 13 mph 👁 Visibility 6.2 mi ☁ Clouds 93% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:40 AM 🌇 Sunset 10:06 PM

Hourly Weather Forecast for St. Mary's

Today

3:00 AM

Overcast night

42° 💧 None 💨 11 mph H 77%29.97 inHg

6:00 AM

Overcast night

41° 💧 None 💨 8 mph H 72%30.00 inHg

9:00 AM

Overcast

41° 💧 None 💨 7 mph H 76%30.00 inHg

12:00 PM

Overcast

44° 💧 None 💨 9 mph H 77%30.00 inHg

3:00 PM

Overcast

47° 💧 None 💨 5 mph H 68%30.00 inHg

6:00 PM

Overcast

47° 💧 None 💨 4 mph H 67%29.94 inHg

9:00 PM

Overcast

45° 💧 None 💨 4 mph H 75%29.88 inHg

Tomorrow

12:00 AM

Overcast night

42° 💧 None 💨 5 mph H 80%29.85 inHg

3:00 AM

Overcast night

42° 💧 None 💨 6 mph H 81%29.85 inHg

6:00 AM

Overcast night

39° 💧 None 💨 7 mph H 79%29.85 inHg

9:00 AM

Mostly cloudy

39° 💧 None 💨 6 mph H 81%29.88 inHg

12:00 PM

Overcast

46° 💧 None 💨 6 mph H 61%29.94 inHg

3:00 PM

Overcast

51° 💧 None 💨 7 mph H 52%29.97 inHg

6:00 PM

Overcast

53° 💧 None 💨 8 mph H 58%29.97 inHg

9:00 PM

Overcast

49° 💧 None 💨 8 mph H 72%30.00 inHg

Wednesday

12:00 AM

Overcast night

42° 💧 None 💨 7 mph H 79%30.06 inHg

Today

3:00 AM

Overcast night

42° 💧 None 💨 11 mph H 77%29.97 inHg

4:00 AM

Overcast night

41° 💧 None 💨 10 mph H 76%30.00 inHg

5:00 AM

Overcast night

41° 💧 None 💨 9 mph H 74%29.97 inHg

6:00 AM

Overcast night

41° 💧 None 💨 8 mph H 72%30.00 inHg

7:00 AM

Overcast night

41° 💧 None 💨 8 mph H 73%29.97 inHg

8:00 AM

Overcast

41° 💧 None 💨 7 mph H 75%29.97 inHg

9:00 AM

Overcast

41° 💧 None 💨 7 mph H 76%30.00 inHg

10:00 AM

Overcast

42° 💧 None 💨 8 mph H 76%30.00 inHg

11:00 AM

Overcast

43° 💧 None 💨 9 mph H 77%30.00 inHg

12:00 PM

Overcast

44° 💧 None 💨 9 mph H 77%30.00 inHg

1:00 PM

Overcast

45° 💧 None 💨 8 mph H 73%30.00 inHg

2:00 PM

Overcast

46° 💧 None 💨 7 mph H 71%30.00 inHg

3:00 PM

Overcast

47° 💧 None 💨 5 mph H 68%30.00 inHg

4:00 PM

Overcast

47° 💧 None 💨 5 mph H 67%29.97 inHg

5:00 PM

Overcast

47° 💧 None 💨 4 mph H 66%29.97 inHg

6:00 PM

Overcast

47° 💧 None 💨 4 mph H 67%29.94 inHg

7:00 PM

Overcast

47° 💧 None 💨 4 mph H 68%29.94 inHg

8:00 PM

Overcast

46° 💧 None 💨 4 mph H 70%29.91 inHg

9:00 PM

Overcast

45° 💧 None 💨 4 mph H 75%29.88 inHg

10:00 PM

Overcast

44° 💧 None 💨 4 mph H 78%29.88 inHg

11:00 PM

Overcast night

43° 💧 None 💨 4 mph H 79%29.88 inHg

Tomorrow

12:00 AM

Overcast night

42° 💧 None 💨 5 mph H 80%29.85 inHg

1:00 AM

Overcast night

42° 💧 None 💨 5 mph H 80%29.88 inHg

2:00 AM

Overcast night

42° 💧 None 💨 6 mph H 81%29.85 inHg

3:00 AM

Overcast night

42° 💧 None 💨 6 mph H 81%29.85 inHg

4:00 AM

Overcast night

41° 💧 None 💨 7 mph H 82%29.85 inHg

5:00 AM

Overcast night

40° 💧 None 💨 7 mph H 80%29.85 inHg

6:00 AM

Overcast night

39° 💧 None 💨 7 mph H 79%29.85 inHg

7:00 AM

Overcast night

38° 💧 None 💨 7 mph H 82%29.88 inHg

8:00 AM

Mostly cloudy

37° 💧 None 💨 6 mph H 84%29.88 inHg

9:00 AM

Mostly cloudy

39° 💧 None 💨 6 mph H 81%29.88 inHg

10:00 AM

Mostly cloudy

41° 💧 None 💨 6 mph H 75%29.91 inHg

11:00 AM

Overcast

44° 💧 None 💨 6 mph H 67%29.91 inHg

12:00 PM

Overcast

46° 💧 None 💨 6 mph H 61%29.94 inHg

1:00 PM

Overcast

48° 💧 None 💨 6 mph H 56%29.97 inHg

2:00 PM

Overcast

50° 💧 None 💨 7 mph H 53%29.94 inHg

3:00 PM

Overcast

51° 💧 None 💨 7 mph H 52%29.97 inHg

4:00 PM

Overcast

52° 💧 None 💨 9 mph H 53%29.97 inHg

5:00 PM

Overcast

52° 💧 None 💨 9 mph H 56%29.97 inHg

6:00 PM

Overcast

53° 💧 None 💨 8 mph H 58%29.97 inHg

7:00 PM

Overcast

52° 💧 None 💨 8 mph H 60%30.00 inHg

8:00 PM

Overcast

51° 💧 None 💨 8 mph H 64%30.00 inHg

9:00 PM

Overcast

49° 💧 None 💨 8 mph H 72%30.00 inHg

10:00 PM

Overcast

45° 💧 None 💨 9 mph H 77%30.03 inHg

11:00 PM

Overcast night

44° 💧 None 💨 8 mph H 77%30.03 inHg

Wednesday

12:00 AM

Overcast night

42° 💧 None 💨 7 mph H 79%30.06 inHg

1:00 AM

Overcast night

41° 💧 None 💨 5 mph H 81%30.06 inHg

2:00 AM

Overcast night

40° 💧 None 💨 4 mph H 82%30.06 inHg

3:00 AM

Overcast night

39° 💧 None 💨 4 mph H 82%30.06 inHg

4:00 AM

Overcast night

38° 💧 None 💨 3 mph H 84%30.06 inHg

5:00 AM

Mostly cloudy night

38° 💧 None 💨 4 mph H 83%30.06 inHg

6:00 AM

Overcast night

37° 💧 None 💨 3 mph H 84%30.06 inHg

7:00 AM

Mostly cloudy night

37° 💧 None 💨 4 mph H 82%30.06 inHg

8:00 AM

Mostly cloudy

38° 💧 None 💨 4 mph H 81%30.03 inHg

9:00 AM

Mostly cloudy

40° 💧 None 💨 4 mph H 77%30.03 inHg

10:00 AM

Overcast

42° 💧 None 💨 4 mph H 73%30.03 inHg

11:00 AM

Light rain

44° 💧 0.01 in 💨 5 mph H 74%30.03 inHg

12:00 PM

Light rain

43° 💧 0.02 in 💨 7 mph H 82%30.03 inHg

1:00 PM

Moderate rain

42° 💧 0.05 in 💨 10 mph H 91%30.03 inHg

2:00 PM

Moderate rain

42° 💧 0.04 in 💨 10 mph H 93%30.03 inHg

3:00 PM

Moderate rain

42° 💧 0.10 in 💨 13 mph H 96%30.00 inHg

4:00 PM

Moderate rain

42° 💧 0.09 in 💨 9 mph H 97%30.03 inHg

5:00 PM

Moderate rain

42° 💧 0.06 in 💨 10 mph H 97%30.00 inHg

6:00 PM

Light rain

43° 💧 0.04 in 💨 14 mph H 97%29.97 inHg

7:00 PM

Light rain

43° 💧 0.03 in 💨 14 mph H 96%29.97 inHg

8:00 PM

Moderate rain

43° 💧 0.07 in 💨 17 mph H 96%29.97 inHg

9:00 PM

Light rain

43° 💧 0.01 in 💨 16 mph H 96%29.94 inHg

10:00 PM

Light rain

43° 💧 0.01 in 💨 17 mph H 95%29.94 inHg

11:00 PM

Light rain

43° 💧 0.01 in 💨 17 mph H 94%29.91 inHg

Thursday

12:00 AM

Overcast night

44° 💧 None 💨 17 mph H 93%29.91 inHg

1:00 AM

Overcast night

44° 💧 None 💨 17 mph H 93%29.88 inHg

2:00 AM

Light rain

44° 💧 0.01 in 💨 18 mph H 95%29.88 inHg

3:00 AM

Overcast night

45° 💧 None 💨 18 mph H 97%29.85 inHg

4:00 AM

Overcast night

46° 💧 None 💨 18 mph H 98%29.85 inHg

5:00 AM

Overcast night

46° 💧 None 💨 19 mph H 98%29.83 inHg

6:00 AM

Overcast night

47° 💧 None 💨 20 mph H 97%29.80 inHg

7:00 AM

Light rain

48° 💧 0.01 in 💨 22 mph H 96%29.77 inHg

8:00 AM

Moderate rain

47° 💧 0.04 in 💨 22 mph H 95%29.74 inHg

9:00 AM

Moderate rain

48° 💧 0.07 in 💨 23 mph H 96%29.71 inHg

10:00 AM

Moderate rain

49° 💧 0.13 in 💨 22 mph H 98%29.71 inHg

11:00 AM

Heavy rain

50° 💧 0.16 in 💨 20 mph H 97%29.71 inHg

12:00 PM

Moderate rain

51° 💧 0.06 in 💨 19 mph H 97%29.71 inHg

1:00 PM

Light rain

51° 💧 0.01 in 💨 19 mph H 96%29.71 inHg

2:00 PM

Overcast

51° 💧 None 💨 18 mph H 97%29.71 inHg

3:00 PM

Overcast

51° 💧 None 💨 16 mph H 97%29.71 inHg

4:00 PM

Overcast

52° 💧 None 💨 14 mph H 96%29.74 inHg

5:00 PM

Light rain

53° 💧 0.00 in 💨 12 mph H 93%29.74 inHg

6:00 PM

Overcast

52° 💧 None 💨 12 mph H 91%29.77 inHg

7:00 PM

Overcast

52° 💧 None 💨 11 mph H 87%29.77 inHg

8:00 PM

Overcast

52° 💧 None 💨 13 mph H 84%29.77 inHg

9:00 PM

Overcast

50° 💧 None 💨 11 mph H 88%29.80 inHg

10:00 PM

Overcast night

47° 💧 None 💨 10 mph H 92%29.83 inHg

11:00 PM

Clear night

45° 💧 None 💨 8 mph H 92%29.83 inHg

Friday

12:00 AM

Clear night

44° 💧 None 💨 8 mph H 91%29.85 inHg

1:00 AM

Clear night

43° 💧 None 💨 6 mph H 92%29.85 inHg

In St. Mary's and, more broadly, across the state of Alaska: As evening progresses, mostly cloudy skies will persist, with temperatures remaining in the cool range of 54 to 56 degrees Fahrenheit. Light southwest winds will blow at around 3 mph, with occasional gusts up to 4 mph. No precipitation is expected during the upcoming hours, providing a dry and mild evening. Temperatures are likely to stay steady, making for a comfortable night ahead.

15-Day Weather Forecast for St. Mary's

Monday, Aug 31Mon Aug 31

Overcast 49°/40° 💧 None 💨 15 mph

TomorrowTomorrow

Overcast 52°/35° 💧 None 💨 8 mph

Wednesday, Sep 2Wed Sep 2

Light rain 51°/37° 💧 0.03 in 💨 8 mph

Thursday, Sep 3Thu Sep 3

Moderate rain 53°/45° 💧 0.77 in 💨 22 mph

Friday, Sep 4Fri Sep 4

Light rain 53°/46° 💧 0.08 in 💨 8 mph

Saturday, Sep 5Sat Sep 5

Light rain 51°/47° 💧 0.07 in 💨 6 mph

Sunday, Sep 6Sun Sep 6

Light rain 52°/46° 💧 0.20 in 💨 11 mph

Monday, Sep 7Mon Sep 7

Light rain 49°/46° 💧 0.04 in 💨 9 mph

Tuesday, Sep 8Tue Sep 8

Light rain 52°/44° 💧 0.03 in 💨 16 mph

Wednesday, Sep 9Wed Sep 9

Light rain 44°/42° 💧 0.07 in 💨 13 mph

Thursday, Sep 10Thu Sep 10

Light rain 50°/43° 💧 0.08 in 💨 9 mph

Friday, Sep 11Fri Sep 11

Partly cloudy 51°/38° 💧 None 💨 7 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 53°/44° 💧 None 💨 6 mph

Sunday, Sep 13Sun Sep 13

Overcast 51°/39° 💧 None 💨 22 mph

Monday, Sep 14Mon Sep 14

Light rain 39°/35° 💧 0.07 in 💨 22 mph

TEMPERATURE OUTLOOK

Hourly Temperature and Weather Conditions in St. Mary's

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality in St. Mary's

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 3:00 AM

PM2.5 Fine particles Good 0,9µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 4,5µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 50,4µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,1µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

Sun exposure and health risks in St. Mary's

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 2,5Low 😊Good

Tomorrow UV 1,8Low 🙂Fair

Wednesday UV 0,4Low 🙂Fair

Thursday UV 0,3Low 🙂Fair

Friday UV 2,0Low 😊Good

Saturday UV 3,0Moderate —Unavailable

Sunday UV 2,0Low —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,0 9:00 AMUV 0,2 10:00 AMUV 0,4 11:00 AMUV 0,9 12:00 PMUV 1,5 1:00 PMUV 2,2 2:00 PMUV 2,4 3:00 PMUV 2,5 4:00 PMUV 2,3 5:00 PMUV 1,8 6:00 PMUV 1,2

Today's weather health advice Open today's recommendations.

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Speed in St. Mary's

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.59 Population: 810

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for St. Mary's were last refreshed today at 1:26 AM. The current forecast period extends through 02/09/2026 at 12:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.