Grantsville, WV Weather Forecast
Local 7-day forecast
Haze
Track current conditions, temperature changes, wind, and the full daily outlook for Grantsville, WV in one place.
Haze. Mostly sunny, with a high near 92. Heat index values as high as 99. West wind around 3 mph.
Local Weather Overview
This forecast page for Grantsville, WV 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: Jul 16, 2026 5:42 PM EDT.
The active forecast window currently covers Jul 16 to Jul 22, 2026 for Grantsville, WV.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 16 to Jul 22, 2026
- Latest sync
- Jul 16, 2026 5:42 PM EDT
- Forecast office
- RLX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grantsville
This Afternoon looks like the warmest upcoming period in Grantsville at 92 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Saturday at about 3 to 9 mph SW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 16, 2026 5:42 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- RLX
- Radar station
- KRLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Haze before 8pm, then areas of smoke. Partly cloudy, with a low around 70. Northwest wind 0 to 3 mph.
Areas of fog and areas of smoke before 8am, then haze and patchy smoke. Mostly sunny, with a high near 91. Northeast wind around 2 mph.
Haze and patchy smoke before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Southwest wind around 2 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 86. Southwest wind 3 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms. Cloudy, with a low around 70. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm. Partly sunny, with a high near 83. Chance of precipitation is 80%.
Mostly clear, with a low around 63.
Sunny, with a high near 86.
A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 69.
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 16
|
Haze
|
92°F |
3 mph
W
|
|
Tonight
Jul 16
|
Haze then Areas Of Smoke
|
70°F |
0 to 3 mph
NW
|
|
Friday
Jul 17
|
Areas Of Fog then Haze
|
91°F |
2 mph
NE
|
|
Friday Night
Jul 17
|
Haze then Chance Showers And Thunderstorms
|
73°F |
2 mph
SW
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
86°F |
3 to 9 mph
SW
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms
|
70°F |
3 to 7 mph
SW
|
|
Sunday
Jul 19
|
Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
83°F |
5 mph
NW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
63°F |
5 mph
NE
|
|
Monday
Jul 20
|
Sunny
|
86°F |
2 mph
S
|
|
Monday Night
Jul 20
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
69°F |
1 to 5 mph
SW
|
|
Tuesday
Jul 21
|
Chance Showers And Thunderstorms
|
86°F |
6 to 9 mph
SW
|
|
Tuesday Night
Jul 21
|
Chance Showers And Thunderstorms
|
67°F |
7 mph
W
|
|
Wednesday
Jul 22
|
Chance Showers And Thunderstorms
|
81°F |
8 mph
NW
|
|
Wednesday Night
Jul 22
|
Slight Chance Showers And Thunderstorms
|
61°F |
2 to 7 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grantsville.