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Current weather in St. Marys is overcast clouds.

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Weather data for St. Marys is updated regularly with the latest available observations and forecasts.

Now · 2:35 AM

St. Marys Weather & Hourly Forecast

United States · West Virginia · 26170

59°F

Overcast night

Feels like: 56°F

💧 Humidity 96% 🌡 Pressure 30.18 inHg 💨 Wind 9 mph 👁 Visibility 10.7 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:12 AM 🌇 Sunset 7:21 PM

Hourly Forecast for St. Marys

Today

3:00 AM

Overcast night

59° 💧 0.002 in 💨 9 mph H 96%30.18 inHg

6:00 AM

Overcast night

58° 💧 0.005 in 💨 9 mph H 91%30.21 inHg

9:00 AM

Overcast

60° 💧 0.002 in 💨 9 mph H 83%30.24 inHg

12:00 PM

Mostly cloudy

67° 💧 0.001 in 💨 9 mph H 68%30.27 inHg

3:00 PM

Overcast

69° 💧 0.008 in 💨 8 mph H 65%30.24 inHg

6:00 PM

Mostly cloudy

68° 💧 0.025 in 💨 9 mph H 65%30.21 inHg

9:00 PM

Light rain

58° 💧 0.141 in 💨 11 mph H 94%30.27 inHg

Tomorrow

12:00 AM

Light rain

56° 💧 0.242 in 💨 9 mph H 95%30.27 inHg

3:00 AM

Light rain

55° 💧 0.170 in 💨 7 mph H 97%30.27 inHg

6:00 AM

Light rain

54° 💧 0.005 in 💨 8 mph H 97%30.27 inHg

9:00 AM

Overcast

55° 💧 None 💨 9 mph H 88%30.33 inHg

12:00 PM

Sunny

63° 💧 None 💨 9 mph H 59%30.30 inHg

3:00 PM

Sunny

66° 💧 None 💨 8 mph H 52%30.24 inHg

6:00 PM

Sunny

64° 💧 None 💨 7 mph H 60%30.24 inHg

9:00 PM

Clear night

56° 💧 None 💨 7 mph H 82%30.24 inHg

Friday

12:00 AM

Clear night

52° 💧 None 💨 7 mph H 85%30.27 inHg

Today

3:00 AM

Overcast night

59° 💧 None 💨 9 mph H 96%30.18 inHg

4:00 AM

Mostly cloudy night

59° 💧 0.001 in 💨 9 mph H 94%30.18 inHg

5:00 AM

Mostly clear night

58° 💧 0.001 in 💨 9 mph H 92%30.18 inHg

6:00 AM

Overcast night

58° 💧 0.000 in 💨 9 mph H 91%30.21 inHg

7:00 AM

Overcast night

59° 💧 0.004 in 💨 9 mph H 89%30.24 inHg

8:00 AM

Overcast

59° 💧 0.001 in 💨 10 mph H 86%30.24 inHg

9:00 AM

Overcast

60° 💧 0.001 in 💨 9 mph H 83%30.24 inHg

10:00 AM

Overcast

62° 💧 None 💨 9 mph H 77%30.24 inHg

11:00 AM

Mostly cloudy

65° 💧 0.001 in 💨 9 mph H 73%30.27 inHg

12:00 PM

Mostly cloudy

67° 💧 0.000 in 💨 9 mph H 68%30.27 inHg

1:00 PM

Overcast

68° 💧 None 💨 9 mph H 66%30.24 inHg

2:00 PM

Overcast

69° 💧 0.000 in 💨 8 mph H 66%30.24 inHg

3:00 PM

Overcast

69° 💧 None 💨 8 mph H 65%30.24 inHg

4:00 PM

Mostly cloudy

69° 💧 0.003 in 💨 8 mph H 66%30.21 inHg

5:00 PM

Light rain

69° 💧 0.005 in 💨 9 mph H 64%30.21 inHg

6:00 PM

Mostly cloudy

68° 💧 None 💨 9 mph H 65%30.21 inHg

7:00 PM

Mostly cloudy

65° 💧 None 💨 9 mph H 66%30.21 inHg

8:00 PM

Light rain

61° 💧 0.025 in 💨 10 mph H 80%30.24 inHg

9:00 PM

Light rain

58° 💧 0.067 in 💨 11 mph H 94%30.27 inHg

10:00 PM

Light rain

57° 💧 0.035 in 💨 11 mph H 95%30.27 inHg

11:00 PM

Light rain

56° 💧 0.038 in 💨 10 mph H 95%30.27 inHg

Tomorrow

12:00 AM

Light rain

56° 💧 0.052 in 💨 9 mph H 95%30.27 inHg

1:00 AM

Moderate rain

55° 💧 0.104 in 💨 9 mph H 96%30.27 inHg

2:00 AM

Light rain

55° 💧 0.086 in 💨 7 mph H 97%30.27 inHg

3:00 AM

Light rain

55° 💧 0.079 in 💨 7 mph H 97%30.27 inHg

4:00 AM

Light rain

55° 💧 0.069 in 💨 7 mph H 97%30.27 inHg

5:00 AM

Light rain

55° 💧 0.022 in 💨 8 mph H 97%30.27 inHg

6:00 AM

Light rain

54° 💧 0.005 in 💨 8 mph H 97%30.27 inHg

7:00 AM

Overcast night

54° 💧 None 💨 9 mph H 96%30.30 inHg

8:00 AM

Overcast

53° 💧 None 💨 9 mph H 93%30.30 inHg

9:00 AM

Overcast

55° 💧 None 💨 9 mph H 88%30.33 inHg

10:00 AM

Mostly cloudy

56° 💧 None 💨 9 mph H 77%30.30 inHg

11:00 AM

Sunny

60° 💧 None 💨 9 mph H 66%30.30 inHg

12:00 PM

Sunny

63° 💧 None 💨 9 mph H 59%30.30 inHg

1:00 PM

Sunny

64° 💧 None 💨 8 mph H 54%30.27 inHg

2:00 PM

Sunny

66° 💧 None 💨 8 mph H 52%30.27 inHg

3:00 PM

Sunny

66° 💧 None 💨 8 mph H 52%30.24 inHg

4:00 PM

Sunny

66° 💧 None 💨 8 mph H 51%30.24 inHg

5:00 PM

Sunny

66° 💧 None 💨 8 mph H 53%30.21 inHg

6:00 PM

Sunny

64° 💧 None 💨 7 mph H 60%30.24 inHg

7:00 PM

Sunny

60° 💧 None 💨 5 mph H 72%30.24 inHg

8:00 PM

Clear night

57° 💧 None 💨 6 mph H 81%30.24 inHg

9:00 PM

Clear night

56° 💧 None 💨 7 mph H 82%30.24 inHg

10:00 PM

Clear night

55° 💧 None 💨 8 mph H 82%30.27 inHg

11:00 PM

Clear night

54° 💧 None 💨 8 mph H 83%30.27 inHg

Friday

12:00 AM

Clear night

52° 💧 None 💨 7 mph H 85%30.27 inHg

1:00 AM

Clear night

51° 💧 None 💨 7 mph H 87%30.24 inHg

2:00 AM

Clear night

51° 💧 None 💨 7 mph H 88%30.24 inHg

3:00 AM

Clear night

50° 💧 None 💨 7 mph H 89%30.24 inHg

4:00 AM

Clear night

49° 💧 None 💨 7 mph H 89%30.24 inHg

5:00 AM

Clear night

48° 💧 None 💨 6 mph H 89%30.24 inHg

6:00 AM

Clear night

48° 💧 None 💨 7 mph H 88%30.27 inHg

7:00 AM

Clear night

47° 💧 None 💨 7 mph H 90%30.27 inHg

8:00 AM

Sunny

48° 💧 None 💨 7 mph H 88%30.27 inHg

9:00 AM

Sunny

52° 💧 None 💨 5 mph H 81%30.27 inHg

10:00 AM

Sunny

57° 💧 None 💨 5 mph H 71%30.27 inHg

11:00 AM

Sunny

61° 💧 None 💨 6 mph H 59%30.27 inHg

12:00 PM

Sunny

64° 💧 None 💨 7 mph H 50%30.27 inHg

1:00 PM

Sunny

66° 💧 None 💨 6 mph H 46%30.24 inHg

2:00 PM

Sunny

67° 💧 None 💨 6 mph H 45%30.21 inHg

3:00 PM

Mostly sunny

68° 💧 None 💨 6 mph H 44%30.21 inHg

4:00 PM

Partly cloudy

68° 💧 None 💨 7 mph H 45%30.18 inHg

5:00 PM

Mostly cloudy

67° 💧 None 💨 7 mph H 48%30.18 inHg

6:00 PM

Sunny

65° 💧 None 💨 6 mph H 58%30.18 inHg

7:00 PM

Sunny

60° 💧 None 💨 6 mph H 71%30.18 inHg

8:00 PM

Clear night

57° 💧 None 💨 6 mph H 75%30.18 inHg

11:00 PM

Clear night

54° 💧 None 💨 7 mph H 88%30.18 inHg

Saturday

2:00 AM

Clear night

53° 💧 None 💨 7 mph H 96%30.18 inHg

5:00 AM

Clear night

50° 💧 None 💨 6 mph H 98%30.15 inHg

8:00 AM

Sunny

50° 💧 None 💨 6 mph H 97%30.18 inHg

11:00 AM

Sunny

62° 💧 None 💨 4 mph H 70%30.18 inHg

2:00 PM

Sunny

70° 💧 None 💨 6 mph H 51%30.12 inHg

5:00 PM

Sunny

70° 💧 None 💨 7 mph H 52%30.06 inHg

8:00 PM

Clear night

60° 💧 None 💨 7 mph H 78%30.06 inHg

11:00 PM

Clear night

58° 💧 None 💨 8 mph H 82%30.06 inHg

Sunday

2:00 AM

Clear night

54° 💧 None 💨 7 mph H 86%30.03 inHg

5:00 AM

Clear night

51° 💧 None 💨 6 mph H 89%30.00 inHg

8:00 AM

Sunny

52° 💧 None 💨 7 mph H 85%30.00 inHg

11:00 AM

Partly cloudy

64° 💧 None 💨 7 mph H 66%30.00 inHg

2:00 PM

Mostly sunny

70° 💧 None 💨 9 mph H 52%29.91 inHg

5:00 PM

Mostly sunny

70° 💧 None 💨 10 mph H 51%29.88 inHg

8:00 PM

Mostly cloudy night

61° 💧 None 💨 7 mph H 70%29.88 inHg

11:00 PM

Mostly clear night

56° 💧 None 💨 6 mph H 81%29.91 inHg

Monday

2:00 AM

Clear night

53° 💧 None 💨 6 mph H 90%29.91 inHg

5:00 AM

Clear night

51° 💧 None 💨 5 mph H 94%29.91 inHg

8:00 AM

Sunny

51° 💧 None 💨 5 mph H 92%29.94 inHg

11:00 AM

Sunny

65° 💧 None 💨 4 mph H 69%29.94 inHg

2:00 PM

Sunny

70° 💧 None 💨 5 mph H 53%29.91 inHg

8:00 PM

Clear night

71° 💧 None 💨 5 mph H 52%29.91 inHg

Tuesday

2:00 AM

Clear night

62° 💧 None 💨 3 mph H 79%29.91 inHg

8:00 AM

Sunny

55° 💧 None 💨 4 mph H 89%29.94 inHg

2:00 PM

Sunny

53° 💧 None 💨 5 mph H 97%30.00 inHg

8:00 PM

Clear night

73° 💧 None 💨 2 mph H 56%29.94 inHg

Wednesday

2:00 AM

Clear night

64° 💧 None 💨 5 mph H 79%29.94 inHg

8:00 AM

Sunny

56° 💧 None 💨 6 mph H 90%29.94 inHg

2:00 PM

Mostly sunny

56° 💧 None 💨 6 mph H 90%29.94 inHg

8:00 PM

Mostly clear night

81° 💧 None 💨 7 mph H 43%29.88 inHg

Thursday

2:00 AM

Mostly clear night

69° 💧 None 💨 7 mph H 67%29.85 inHg

8:00 AM

Mostly cloudy

66° 💧 None 💨 8 mph H 70%29.91 inHg

2:00 PM

Mostly cloudy

63° 💧 None 💨 7 mph H 73%29.97 inHg

8:00 PM

Partly cloudy night

84° 💧 None 💨 9 mph H 45%29.94 inHg

Friday

2:00 AM

Overcast night

72° 💧 None 💨 6 mph H 68%29.94 inHg

8:00 AM

Mostly cloudy

68° 💧 None 💨 6 mph H 71%29.94 inHg

2:00 PM

Light rain

67° 💧 None 💨 8 mph H 80%29.97 inHg

8:00 PM

Partly cloudy night

78° 💧 None 💨 10 mph H 66%29.94 inHg

Saturday

2:00 AM

Mostly clear night

69° 💧 None 💨 5 mph H 92%29.88 inHg

8:00 AM

Mostly sunny

66° 💧 None 💨 6 mph H 99%29.88 inHg

2:00 PM

Mostly sunny

64° 💧 None 💨 6 mph H 99%29.88 inHg

8:00 PM

Light rain

77° 💧 None 💨 9 mph H 67%29.80 inHg

Sunday

2:00 AM

Light rain

66° 💧 None 💨 3 mph H 99%29.77 inHg

8:00 AM

Mostly sunny

64° 💧 None 💨 6 mph H 99%29.77 inHg

2:00 PM

Overcast

61° 💧 None 💨 7 mph H 99%29.80 inHg

8:00 PM

Mostly clear night

67° 💧 None 💨 12 mph H 58%29.80 inHg

Monday

2:00 AM

Mostly clear night

60° 💧 None 💨 6 mph H 73%29.83 inHg

8:00 AM

Sunny

53° 💧 None 💨 6 mph H 90%29.88 inHg

2:00 PM

Overcast

53° 💧 None 💨 5 mph H 89%29.91 inHg

8:00 PM

Mostly cloudy night

62° 💧 None 💨 11 mph H 56%29.91 inHg

Tuesday

2:00 AM

Partly cloudy night

57° 💧 None 💨 7 mph H 62%29.91 inHg

8:00 AM

Mostly cloudy

53° 💧 None 💨 6 mph H 75%29.94 inHg

2:00 PM

Sunny

47° 💧 None 💨 6 mph H 90%30.00 inHg

8:00 PM

Overcast night

59° 💧 None 💨 8 mph H 59%29.97 inHg

Wednesday

2:00 AM

Overcast night

57° 💧 None 💨 5 mph H 69%30.00 inHg

8:00 AM

Mostly cloudy

51° 💧 None 💨 5 mph H 86%30.00 inHg

2:00 PM

Mostly cloudy

51° 💧 None 💨 5 mph H 92%30.06 inHg

In St. Marys and, more broadly, across the state of West Virginia: The morning begins with mostly cloudy skies and mild temperatures around 67 degrees. As the day progresses, temperatures will warm up into the low 80s, creating a comfortably warm afternoon. A chance of rain remains in the forecast, with total accumulation expected to be around 0.48 inches, and there is a high likelihood of rain at times. Winds will be light from the southwest, reaching up to 8 mph, with gusts potentially gusting up to 22 mph. Overall, expect a day with variable cloud cover, mild to warm temperatures, and periods of rain, especially later in the day.

15-Day Weather Outlook for St. Marys

TomorrowTomorrow

Overcast 66°/53° 💧 None 💨 9 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 68°/47° 💧 None 💨 7 mph

Saturday, Sep 26Sat Sep 26

Sunny 70°/50° 💧 None 💨 8 mph

Sunday, Sep 27Sun Sep 27

Partly cloudy 70°/51° 💧 None 💨 10 mph

Monday, Sep 28Mon Sep 28

Sunny 71°/51° 💧 0.030 in 💨 6 mph

Tuesday, Sep 29Tue Sep 29

Sunny 73°/53° 💧 None 💨 5 mph

Wednesday, Sep 30Wed Sep 30

Mostly sunny 81°/56° 💧 None 💨 7 mph

Thursday, Oct 1Thu Oct 1

Partly cloudy 84°/63° 💧 None 💨 9 mph

Friday, Oct 2Fri Oct 2

Light rain 78°/67° 💧 0.043 in 💨 10 mph

Saturday, Oct 3Sat Oct 3

Light rain 77°/64° 💧 0.114 in 💨 9 mph

Sunday, Oct 4Sun Oct 4

Light rain 67°/61° 💧 1.067 in 💨 12 mph

Monday, Oct 5Mon Oct 5

Mostly cloudy 62°/53° 💧 0.013 in 💨 11 mph

Tuesday, Oct 6Tue Oct 6

Overcast 59°/47° 💧 0.010 in 💨 8 mph

Wednesday, Oct 7Wed Oct 7

Overcast 57°/51° 💧 0.002 in 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. Marys

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. Marys

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 3:00 AM

PM2.5 Fine particles Good 3,8µg/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 4,0µg/m³

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

O₃ Ozone Good 22,5µg/m³

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

NO₂ Nitrogen dioxide Good 5,0µg/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

UV, Sun & Health Outlook in St. Marys

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 2,1Low 😊Good

Tomorrow UV 5,4Moderate 🙂Fair

Friday UV 5,7Moderate 😐Moderate

Saturday UV 5,7Moderate 😐Moderate

Sunday UV 6,0High 😊Good

Monday UV 6,0High —Unavailable

Tuesday UV 4,0Moderate —Unavailable

Hourly UV index today

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

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 Forecast for St. Marys

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ST. MARYS, WEST VIRGINIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

81/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:52 PM–5:43 AM

☁ Cloud cover 21% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 65° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min66%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for St. Marys were last refreshed today at 2:35 AM. The current forecast period extends through 25/09/2026 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.