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

Now · 11:31 AM

Grantsville Weather & Hourly Forecast

United States · West Virginia · 26147

86°F

Sunny

Feels like: 99°F

💧 Humidity 85% 🌡 Pressure 30.03 inHg 💨 Wind 4 mph 👁 Visibility 6.2 mi ☁ Clouds 0% ☀️ UV index 5.1 · Moderate 🌅 Sunrise 6:56 AM 🌇 Sunset 7:51 PM

Hourly Forecast for Grantsville

Today

12:00 PM

Sunny

86° 💧 None 💨 4 mph H 85%30.03 inHg

3:00 PM

Partly cloudy

88° 💧 None 💨 7 mph H 63%30.00 inHg

6:00 PM

Mostly cloudy

86° 💧 0.01 in 💨 3 mph H 62%29.91 inHg

9:00 PM

Clear night

77° 💧 0.01 in 💨 3 mph H 79%29.94 inHg

Tomorrow

12:00 AM

Partly cloudy night

75° 💧 0.02 in 💨 3 mph H 84%29.91 inHg

3:00 AM

Light rain

70° 💧 0.02 in 💨 4 mph H 96%29.91 inHg

6:00 AM

Light rain

69° 💧 0.13 in 💨 2 mph H 98%29.91 inHg

9:00 AM

Light rain

74° 💧 0.05 in 💨 4 mph H 98%29.94 inHg

12:00 PM

Light rain

79° 💧 0.10 in 💨 7 mph H 97%29.91 inHg

3:00 PM

Overcast

83° 💧 0.08 in 💨 2 mph H 82%29.88 inHg

6:00 PM

Light rain

84° 💧 0.10 in 💨 5 mph H 86%29.80 inHg

9:00 PM

Light rain

75° 💧 0.01 in 💨 4 mph H 97%29.85 inHg

Sunday

12:00 AM

Partly cloudy night

70° 💧 None 💨 3 mph H 99%29.91 inHg

3:00 AM

Overcast night

66° 💧 None 💨 4 mph H 98%29.91 inHg

6:00 AM

Overcast night

62° 💧 None 💨 4 mph H 98%29.91 inHg

9:00 AM

Sunny

64° 💧 None 💨 5 mph H 91%29.97 inHg

Today

12:00 PM

Sunny

86° 💧 None 💨 4 mph H 85%30.03 inHg

1:00 PM

Sunny

87° 💧 None 💨 5 mph H 79%30.03 inHg

2:00 PM

Sunny

88° 💧 None 💨 6 mph H 72%30.00 inHg

3:00 PM

Partly cloudy

88° 💧 None 💨 7 mph H 63%30.00 inHg

4:00 PM

Mostly cloudy

88° 💧 None 💨 4 mph H 68%29.97 inHg

5:00 PM

Mostly cloudy

88° 💧 None 💨 3 mph H 68%29.94 inHg

6:00 PM

Mostly cloudy

86° 💧 None 💨 3 mph H 62%29.91 inHg

7:00 PM

Light rain

81° 💧 0.01 in 💨 8 mph H 78%29.94 inHg

8:00 PM

Mostly cloudy night

77° 💧 None 💨 4 mph H 86%29.91 inHg

9:00 PM

Clear night

77° 💧 None 💨 3 mph H 79%29.94 inHg

10:00 PM

Mostly clear night

76° 💧 None 💨 3 mph H 73%29.94 inHg

11:00 PM

Light rain

75° 💧 0.01 in 💨 5 mph H 81%29.94 inHg

Tomorrow

12:00 AM

Partly cloudy night

75° 💧 None 💨 3 mph H 84%29.91 inHg

1:00 AM

Light rain

74° 💧 0.01 in 💨 3 mph H 89%29.91 inHg

2:00 AM

Light rain

71° 💧 0.01 in 💨 3 mph H 93%29.91 inHg

3:00 AM

Light rain

70° 💧 0.01 in 💨 4 mph H 96%29.91 inHg

4:00 AM

Clear night

70° 💧 None 💨 3 mph H 97%29.88 inHg

5:00 AM

Light rain

69° 💧 0.01 in 💨 1 mph H 97%29.91 inHg

6:00 AM

Light rain

69° 💧 0.03 in 💨 2 mph H 98%29.91 inHg

7:00 AM

Partly cloudy

69° 💧 None 💨 3 mph H 98%29.91 inHg

8:00 AM

Moderate rain

71° 💧 0.10 in 💨 3 mph H 99%29.94 inHg

9:00 AM

Light rain

74° 💧 0.04 in 💨 4 mph H 98%29.94 inHg

10:00 AM

Overcast

76° 💧 None 💨 4 mph H 96%29.94 inHg

11:00 AM

Light rain

77° 💧 0.01 in 💨 5 mph H 96%29.91 inHg

12:00 PM

Light rain

79° 💧 0.03 in 💨 7 mph H 97%29.91 inHg

1:00 PM

Moderate rain

79° 💧 0.06 in 💨 5 mph H 98%29.88 inHg

2:00 PM

Light rain

81° 💧 0.01 in 💨 4 mph H 98%29.88 inHg

3:00 PM

Overcast

83° 💧 None 💨 2 mph H 82%29.88 inHg

4:00 PM

Overcast

87° 💧 None 💨 2 mph H 66%29.85 inHg

5:00 PM

Moderate rain

87° 💧 0.08 in 💨 4 mph H 86%29.85 inHg

6:00 PM

Light rain

84° 💧 0.03 in 💨 5 mph H 86%29.80 inHg

7:00 PM

Moderate rain

79° 💧 0.07 in 💨 6 mph H 92%29.83 inHg

8:00 PM

Partly cloudy night

76° 💧 None 💨 8 mph H 96%29.83 inHg

9:00 PM

Light rain

75° 💧 0.01 in 💨 4 mph H 97%29.85 inHg

10:00 PM

Light rain

73° 💧 0.01 in 💨 1 mph H 98%29.88 inHg

11:00 PM

Clear night

71° 💧 None 💨 3 mph H 98%29.91 inHg

Sunday

12:00 AM

Partly cloudy night

70° 💧 None 💨 3 mph H 99%29.91 inHg

1:00 AM

Partly cloudy night

69° 💧 None 💨 4 mph H 99%29.91 inHg

2:00 AM

Mostly cloudy night

68° 💧 None 💨 4 mph H 98%29.91 inHg

3:00 AM

Overcast night

66° 💧 None 💨 4 mph H 98%29.91 inHg

4:00 AM

Overcast night

65° 💧 None 💨 4 mph H 97%29.91 inHg

5:00 AM

Overcast night

64° 💧 None 💨 4 mph H 97%29.91 inHg

6:00 AM

Overcast night

62° 💧 None 💨 4 mph H 98%29.91 inHg

7:00 AM

Mostly cloudy

60° 💧 None 💨 4 mph H 98%29.91 inHg

8:00 AM

Mostly cloudy

61° 💧 None 💨 4 mph H 97%29.94 inHg

9:00 AM

Sunny

64° 💧 None 💨 5 mph H 91%29.97 inHg

10:00 AM

Sunny

69° 💧 None 💨 6 mph H 82%29.97 inHg

11:00 AM

Sunny

74° 💧 None 💨 6 mph H 70%29.97 inHg

12:00 PM

Sunny

78° 💧 None 💨 6 mph H 61%29.97 inHg

1:00 PM

Sunny

80° 💧 None 💨 6 mph H 54%29.94 inHg

2:00 PM

Sunny

83° 💧 None 💨 6 mph H 48%29.94 inHg

3:00 PM

Sunny

84° 💧 None 💨 7 mph H 44%29.91 inHg

4:00 PM

Sunny

84° 💧 None 💨 8 mph H 42%29.91 inHg

5:00 PM

Sunny

83° 💧 None 💨 9 mph H 43%29.91 inHg

6:00 PM

Sunny

81° 💧 None 💨 9 mph H 51%29.94 inHg

7:00 PM

Mostly sunny

76° 💧 None 💨 8 mph H 60%29.94 inHg

8:00 PM

Partly cloudy night

73° 💧 None 💨 9 mph H 62%29.97 inHg

9:00 PM

Clear night

70° 💧 None 💨 9 mph H 67%30.00 inHg

10:00 PM

Clear night

68° 💧 None 💨 8 mph H 69%30.00 inHg

11:00 PM

Clear night

65° 💧 None 💨 6 mph H 75%30.00 inHg

Monday

12:00 AM

Clear night

63° 💧 None 💨 4 mph H 85%30.03 inHg

1:00 AM

Clear night

62° 💧 None 💨 3 mph H 91%30.03 inHg

2:00 AM

Clear night

62° 💧 None 💨 4 mph H 93%30.03 inHg

3:00 AM

Clear night

61° 💧 None 💨 3 mph H 95%30.03 inHg

4:00 AM

Mostly clear night

62° 💧 None 💨 2 mph H 94%30.06 inHg

5:00 AM

Partly cloudy night

63° 💧 None 💨 3 mph H 89%30.06 inHg

6:00 AM

Mostly cloudy night

63° 💧 None 💨 2 mph H 89%30.09 inHg

7:00 AM

Mostly cloudy

64° 💧 None 💨 3 mph H 87%30.09 inHg

8:00 AM

Partly cloudy

65° 💧 None 💨 3 mph H 85%30.09 inHg

9:00 AM

Sunny

70° 💧 None 💨 3 mph H 72%30.12 inHg

10:00 AM

Sunny

74° 💧 None 💨 3 mph H 62%30.12 inHg

11:00 AM

Sunny

78° 💧 None 💨 4 mph H 55%30.12 inHg

12:00 PM

Sunny

81° 💧 None 💨 4 mph H 48%30.12 inHg

1:00 PM

Sunny

83° 💧 None 💨 5 mph H 43%30.09 inHg

2:00 PM

Sunny

85° 💧 None 💨 4 mph H 40%30.09 inHg

3:00 PM

Sunny

86° 💧 None 💨 3 mph H 38%30.09 inHg

4:00 PM

Sunny

86° 💧 None 💨 2 mph H 38%30.06 inHg

5:00 PM

Sunny

86° 💧 None 💨 3 mph H 38%30.06 inHg

6:00 PM

Mostly sunny

83° 💧 None 💨 2 mph H 52%30.06 inHg

7:00 PM

Mostly sunny

76° 💧 None 💨 2 mph H 66%30.09 inHg

8:00 PM

Partly cloudy night

73° 💧 None 💨 3 mph H 68%30.12 inHg

9:00 PM

Mostly cloudy night

73° 💧 None 💨 2 mph H 66%30.15 inHg

10:00 PM

Overcast night

71° 💧 None 💨 2 mph H 68%30.15 inHg

11:00 PM

Overcast night

67° 💧 None 💨 3 mph H 75%30.18 inHg

Tuesday

12:00 AM

Mostly cloudy night

66° 💧 None 💨 2 mph H 78%30.18 inHg

1:00 AM

Mostly cloudy night

65° 💧 None 💨 3 mph H 81%30.18 inHg

2:00 AM

Partly cloudy night

65° 💧 None 💨 3 mph H 82%30.18 inHg

3:00 AM

Clear night

63° 💧 None 💨 3 mph H 82%30.18 inHg

4:00 AM

Clear night

63° 💧 None 💨 3 mph H 80%30.18 inHg

5:00 AM

Clear night

62° 💧 None 💨 3 mph H 80%30.21 inHg

6:00 AM

Clear night

62° 💧 None 💨 4 mph H 80%30.18 inHg

7:00 AM

Sunny

61° 💧 None 💨 5 mph H 80%30.21 inHg

8:00 AM

Sunny

64° 💧 None 💨 4 mph H 78%30.21 inHg

9:00 AM

Mostly sunny

70° 💧 None 💨 5 mph H 65%30.24 inHg

10:00 AM

Mostly cloudy

75° 💧 None 💨 6 mph H 56%30.24 inHg

11:00 AM

Mostly cloudy

80° 💧 None 💨 6 mph H 49%30.24 inHg

In Grantsville and, more broadly, across the state of West Virginia: The rest of the day will be mostly sunny with a few clouds drifting across the sky. Temperatures are expected to stay in the mild to warm range, between 75 and 85 degrees Fahrenheit. There is a slight chance of light rain or a brief shower, with potential accumulation around 0.02 inches, mainly in the late afternoon. Winds will be gentle from the northwest, blowing at around 7 mph with gusts reaching up to 12 mph. Overall, it will be a pleasant day, but keep an eye out for those brief, light showers if you're planning outdoor activities. The weather remains stable through the afternoon, with no significant weather events expected.

15-Day Weather Outlook for Grantsville

TomorrowTomorrow

Moderate rain 87°/69° 💧 0.51 in 💨 8 mph

Sunday, Sep 6Sun Sep 6

Sunny 84°/60° 💧 None 💨 9 mph

Monday, Sep 7Mon Sep 7

Sunny 86°/61° 💧 None 💨 4 mph

Tuesday, Sep 8Tue Sep 8

Mostly cloudy 88°/62° 💧 None 💨 7 mph

Wednesday, Sep 9Wed Sep 9

Mostly sunny 91°/66° 💧 None 💨 11 mph

Thursday, Sep 10Thu Sep 10

Overcast 80°/59° 💧 None 💨 10 mph

Friday, Sep 11Fri Sep 11

Overcast 65°/53° 💧 None 💨 4 mph

Saturday, Sep 12Sat Sep 12

Light rain 64°/60° 💧 0.07 in 💨 4 mph

Sunday, Sep 13Sun Sep 13

Moderate rain 77°/61° 💧 0.18 in 💨 7 mph

Monday, Sep 14Mon Sep 14

Light rain 71°/51° 💧 0.08 in 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Sunny 74°/46° 💧 None 💨 6 mph

Wednesday, Sep 16Wed Sep 16

Light rain 84°/53° 💧 0.06 in 💨 7 mph

Thursday, Sep 17Thu Sep 17

Light rain 81°/68° 💧 0.04 in 💨 9 mph

Friday, Sep 18Fri Sep 18

Moderate rain 76°/55° 💧 0.41 in 💨 8 mph

Saturday, Sep 19Sat Sep 19

Sunny 69°/48° 💧 None 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Grantsville

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Grantsville

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 12:00 PM

PM2.5 Fine particles Good 5,7µg/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 6,2µg/m³

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

O₃ Ozone Fair 94,1µg/m³

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

NO₂ Nitrogen dioxide Good 0,6µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Grantsville

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 8,0Very high 🙂Fair

Tomorrow UV 5,0Moderate 🙂Fair

Sunday UV 7,3High 🙂Fair

Monday UV 7,0High 🙂Fair

Tuesday UV 7,0High 😊Good

Wednesday UV 8,0Very high —Unavailable

Thursday UV 6,0High —Unavailable

Hourly UV index today

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

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

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. High humidity can make it feel hotter.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Grantsville

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.55 Population: 401

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Forecast data for Grantsville were last refreshed today at 11:31 AM. The current forecast period extends through 06/09/2026 at 9:00 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.