Weather Alert
Grantsville Weather Warning NWS WEATHER ALERT FOR THE GRANTSVILLE, MD AREA - Issued: 845 PM EDT Thu Sep 3 2026 Grantsville Weather Warning

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Grantsville, MD Weather - Hour by Hour Forecast

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Grantsville, MD Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Thunder. Temperature is 64°F18°C, dew point 64°F18°C, humidity 100%. Wind direction is N at 0 mph0 km/h with visibility of 7 mi11 km. Barometric pressure is 30.14 in1021 mb.
Tonight - Mostly cloudy. Showers likely with a chance of thunderstorms this evening, then a chance of showers with a slight chance of thunde.. Full Forecast
Friday - Mostly sunny with a slight chance of showers and thunderstorms in the morning, then mostly cloudy with showers likely with a chanc.. Full Forecast

Grantsville Hourly Weather

24 Hour Forecast Scroll
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Grantsville, MD Hourly Weather - Cloudy - 11:00 PM Grantsville, MD Hourly Weather - Cloudy - 12:00 AM Grantsville, MD Hourly Weather - Cloudy - 1:00 AM Grantsville, MD Hourly Weather - Cloudy - 2:00 AM Grantsville, MD Hourly Weather - Cloudy - 3:00 AM Grantsville, MD Hourly Weather - Cloudy - 4:00 AM Grantsville, MD Hourly Weather - Cloudy - 5:00 AM Grantsville, MD Hourly Weather - Cloudy - 6:00 AM Grantsville, MD Hourly Weather - Cloudy - 7:00 AM Grantsville, MD Hourly Weather - Cloudy - 8:00 AM Grantsville, MD Hourly Weather - Cloudy - 9:00 AM Grantsville, MD Hourly Weather - Cloudy - 10:00 AM Grantsville, MD Hourly Weather - Cloudy - 11:00 AM Grantsville, MD Hourly Weather - Cloudy - 12:00 PM Grantsville, MD Hourly Weather - Cloudy - 1:00 PM Grantsville, MD Hourly Weather - Cloudy - 2:00 PM Grantsville, MD Hourly Weather - Cloudy - 3:00 PM Grantsville, MD Hourly Weather - Mostly Cloudy - 4:00 PM Grantsville, MD Hourly Weather - Mostly Cloudy - 5:00 PM Grantsville, MD Hourly Weather - Mostly Cloudy - 6:00 PM Grantsville, MD Hourly Weather - Cloudy - 7:00 PM Grantsville, MD Hourly Weather - Cloudy - 8:00 PM Grantsville, MD Hourly Weather - Cloudy - 9:00 PM Grantsville, MD Hourly Weather - Cloudy - 10:00 PM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy
67°F19°C 67°F19°C 66°F19°C 66°F19°C 65°F18°C 65°F18°C 64°F18°C 63°F17°C 63°F17°C 62°F17°C 63°F17°C 64°F18°C 65°F18°C 66°F19°C 67°F19°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 67°F19°C 66°F19°C 65°F18°C 65°F18°C 64°F18°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain
34% 34% 34% 34% 45% 45% 45% 45% 45% 45% 59% 59% 59% 59% 59% 59% 30% 30% 30% 30% 30% 30% 25% 25%
66°F19°C 66°F19°C 65°F18°C 65°F18°C 65°F18°C 64°F18°C 64°F18°C 63°F17°C 63°F17°C 62°F17°C 63°F17°C 64°F18°C 65°F18°C 66°F19°C 66°F19°C 67°F19°C 67°F19°C 67°F19°C 67°F19°C 66°F19°C 66°F19°C 65°F18°C 65°F18°C 64°F18°C
97% 97% 97% 97% 100% 97% 100% 100% 100% 100% 100% 100% 100% 100% 97% 97% 97% 97% 97% 97% 100% 100% 100% 100%
SSW SSW SSW SSW SSW SSW SW SSW SSW SSW W W W W W W W W WNW WNW NW NW SSW S
4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 3 mph 3 mph 3 mph 4 mph
10 mi16 km 5 mi8 km 3 mi5 km .5 mi1 km .5 mi1 km .75 mi1 km .75 mi1 km 3 mi5 km 3 mi5 km 5 mi8 km 5 mi8 km 6 mi10 km 6 mi10 km 6 mi10 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km
Hour (EDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from K2G4 model statistics.

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Prob Precip % = Probability of Precipitation.

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POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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