Grantsville, MD 14 Day Weather - 21536 WeatherWorld.com
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Grantsville, MD Weather Forecast


Grantsville, MD Weather Forecast Dated: 234 AM Mon Aug 31 2026 (Grantsville Time)
Expect a cool pattern with a mix of sun and clouds and frequent chances of rain over the next two weeks. generally humid conditions and no major pressure swings will dominate.
Monday, August 31, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
71°F 21°C
Scattered Showers
Cool with overcast skies, steady humidity and steady pressure.
Tuesday, September 1, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
77°F 25°C
Sunny
Warm with overcast skies, steady humidity and steady pressure. Winds shifting from W to SW at 4 mph 7 km/h.
Wednesday, September 2, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
80°F 27°C
Sunny
Very warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds shifting from WSW to SW at 7 mph 11 km/h.
Thursday, September 3, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
84°F 29°C
Nearby Thunderstorms
Early-Evening
79°F 26°C
Sunny
Very warm with cloudy skies, steady humidity and steady pressure. A few isolated thunderstorms. Winds shifting from W to WNW at 8 mph 13 km/h.
Friday, September 4, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
73°F 23°C
Scattered Showers
Warm with overcast skies, lower humidity and steady pressure. Winds NW at 9 mph 14 km/h.
Saturday, September 5, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
68°F 20°C
Sunny
Warm with overcast skies, steady humidity and steady pressure. Winds shifting from WNW to NNE at 6 mph 9 km/h.
Sunday, September 6, 2026
Mid-Morning
56°F 14°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
62°F 16°C
Sunny
Cool with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure. Winds shifting from NNE to E at 6 mph 9 km/h.
Monday, September 7, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
63°F 17°C
Overcast
Cool with overcast skies, lower humidity and barometric pressure falling. Winds shifting from ESE to SE at 10 mph 15 km/h.
Tuesday, September 8, 2026
Mid-Morning
53°F 12°C
Light Showers
Mid-Afternoon
55°F 13°C
Fog
Early-Evening
58°F 14°C
Scattered Showers
Cool with a mix of sun and clouds, steady humidity and barometric pressure falling. Areas of fog. Winds shifting from SE to SSE at 8 mph 13 km/h.
Wednesday, September 9, 2026
Mid-Morning
56°F 13°C
Fog
Mid-Afternoon
55°F 13°C
Fog
Early-Evening
55°F 13°C
Fog
Cool with a mix of sun and clouds, steady humidity and steady pressure. Foggy conditions.
Thursday, September 10, 2026
Mid-Morning
55°F 13°C
Fog
Mid-Afternoon
58°F 14°C
Scattered Showers
Early-Evening
61°F 16°C
Fog
Cool with a mix of sun and clouds, steady humidity and steady pressure. A few spotty showers; otherwise dry. Winds shifting from WNW to W at 8 mph 12 km/h.
Friday, September 11, 2026
Mid-Morning
54°F 12°C
Light Showers
Mid-Afternoon
58°F 15°C
Light Showers
Early-Evening
55°F 13°C
Fog
Cool with a mix of sun and clouds, steady humidity and steady pressure. Winds shifting from WSW to WNW at 8 mph 12 km/h.
Saturday, September 12, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
57°F 14°C
Scattered Showers
Early-Evening
57°F 14°C
Sunny
Cool with a mix of sun and clouds, lower humidity and steady pressure. Scattered showers, some areas remaining dry. Winds shifting from WNW to W at 6 mph 9 km/h.
Sunday, September 13, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
67°F 20°C
Sunny
Early-Evening
63°F 17°C
Sunny
Cool with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure. Winds WSW at 9 mph 15 km/h.
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