Grantsville, MD Weather Forecast

Local 7-day forecast

84°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Grantsville, MD in one place.

Wednesday, September 16, 2026
Wind: 3 mph W
Wednesday

Sunny, with a high near 84. West wind around 3 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Grantsville, MD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 10:07 PM EDT.

The active forecast window currently covers Sep 16 to Sep 22, 2026 for Grantsville, MD.

Page Snapshot

Page focus
city weather
Forecast window
Sep 16 to Sep 22, 2026
Latest sync
Sep 15, 2026 10:07 PM EDT
Forecast office
LWX
Source
NOAA / NWS
Next High
84°F
Wednesday
Next Low
65°F
Wednesday Night
Rain Outlook
11
Periods mentioning precipitation
Windiest
2 to 9 mph
Thursday

Daily Outlook

Today
Sep 16
Sunny
84 °F
/ 65°F
Wind 3 mph
Thu
Sep 17
Showers And Thunderstorms Likely
81 °F
/ 64°F
Wind 2 to 9 mph
Fri
Sep 18
Slight Chance Rain Showers then Partly Sunny
76 °F
/ 54°F
Wind 6 mph
Sat
Sep 19
Partly Sunny then Chance Rain Showers
74 °F
/ 60°F
Wind 8 mph
Sun
Sep 20
Showers And Thunderstorms Likely
77 °F
/ 61°F
Wind 9 mph
Mon
Sep 21
Rain Showers Likely
74 °F
/ 58°F
Wind 8 mph
Tue
Sep 22
Rain Showers Likely
70 °F
Wind 9 mph

This Week in Grantsville

Wednesday looks like the warmest upcoming period in Grantsville at 84 degrees F.

Friday Night is the coolest period ahead with temperatures near 54 degrees F.

The strongest winds are forecast for Thursday at about 2 to 9 mph W.

Precipitation is mentioned in 11 upcoming forecast periods.

Forecast Details

Last updated
Sep 15, 2026 10:07 PM EDT
Coverage
7 days
Time zone
America/New_York
Forecast office
LWX
Radar station
KPBZ

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday Night
Sep 16
65°F
Chance Showers And Thunderstorms
2 mph SW

A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 65. Southwest wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday
Sep 17
81°F
Showers And Thunderstorms Likely
2 to 9 mph W

A chance of rain showers before 11am, then showers and thunderstorms likely. Mostly cloudy, with a high near 81. West wind 2 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night
Sep 17
64°F
Showers And Thunderstorms Likely
3 to 7 mph W

Showers and thunderstorms likely. Mostly cloudy, with a low around 64. West wind 3 to 7 mph. Chance of precipitation is 70%.

Friday
Sep 18
76°F
Slight Chance Rain Showers then Partly Sunny
6 mph NW

A slight chance of rain showers before 8am. Partly sunny, with a high near 76. Chance of precipitation is 20%.

Friday Night
Sep 18
54°F
Partly Cloudy
6 mph NE

Partly cloudy, with a low around 54.

Saturday
Sep 19
74°F
Partly Sunny then Chance Rain Showers
8 mph SE

A chance of rain showers after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 30%.

Saturday Night
Sep 19
60°F
Chance Showers And Thunderstorms
8 mph S

A chance of rain showers before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

Sunday
Sep 20
77°F
Showers And Thunderstorms Likely
9 mph SW

A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

Sunday Night
Sep 20
61°F
Showers And Thunderstorms Likely
6 mph SW

Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

Monday
Sep 21
74°F
Rain Showers Likely
8 mph S

Rain showers likely before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

Monday Night
Sep 21
58°F
Showers And Thunderstorms Likely
8 mph SE

Showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

Tuesday
Sep 22
70°F
Rain Showers Likely
9 mph SE

Rain showers likely. Mostly cloudy, with a high near 70.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Sep 16
Sunny
84°F
3 mph
W
Wednesday Night
Sep 16
Chance Showers And Thunderstorms
65°F
2 mph
SW
Thursday
Sep 17
Showers And Thunderstorms Likely
81°F
2 to 9 mph
W
Thursday Night
Sep 17
Showers And Thunderstorms Likely
64°F
3 to 7 mph
W
Friday
Sep 18
Slight Chance Rain Showers then Partly Sunny
76°F
6 mph
NW
Friday Night
Sep 18
Partly Cloudy
54°F
6 mph
NE
Saturday
Sep 19
Partly Sunny then Chance Rain Showers
74°F
8 mph
SE
Saturday Night
Sep 19
Chance Showers And Thunderstorms
60°F
8 mph
S
Sunday
Sep 20
Showers And Thunderstorms Likely
77°F
9 mph
SW
Sunday Night
Sep 20
Showers And Thunderstorms Likely
61°F
6 mph
SW
Monday
Sep 21
Rain Showers Likely
74°F
8 mph
S
Monday Night
Sep 21
Showers And Thunderstorms Likely
58°F
8 mph
SE
Tuesday
Sep 22
Rain Showers Likely
70°F
9 mph
SE
Casselman River Maryland
Casselman River Maryland image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.