Grundy, VA Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Grundy, VA in one place.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 98. Northwest wind around 1 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Grundy, VA 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 17, 2026 3:04 PM EDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for Grundy, VA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 3:04 PM EDT
- Forecast office
- RLX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grundy
This Afternoon looks like the warmest upcoming period in Grundy at 92 degrees F.
Thursday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Tuesday Night at about 9 mph SW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 3:04 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- RLX
- Radar station
- KJKL
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and midnight, then haze and a chance of showers and thunderstorms between midnight and 1am, then haze and patchy fog and a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind around 3 mph. Chance of precipitation is 50%.
Patchy fog and showers and thunderstorms before 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Southwest wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 68. Southwest wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers before 11am, then showers and thunderstorms. Mostly cloudy, with a high near 83. West wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms before 8pm. Mostly clear, with a low around 64. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 87.
Partly cloudy, with a low around 68.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Showers and thunderstorms likely before 8am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 70%.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 60.
Sunny, with a high near 82.
Mostly clear, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 17
|
Slight Chance Showers And Thunderstorms
|
92°F |
1 mph
NW
|
|
Tonight
Jul 17
|
Chance Showers And Thunderstorms then Haze
|
70°F |
3 mph
SW
|
|
Saturday
Jul 18
|
Patchy Fog
|
86°F |
6 mph
SW
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
|
68°F |
6 mph
SW
|
|
Sunday
Jul 19
|
Showers And Thunderstorms
|
83°F |
5 mph
W
|
|
Sunday Night
Jul 19
|
Showers And Thunderstorms then Mostly Clear
|
64°F |
3 mph
NE
|
|
Monday
Jul 20
|
Mostly Sunny
|
87°F |
2 mph
S
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
68°F |
2 to 6 mph
S
|
|
Tuesday
Jul 21
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
88°F |
8 mph
SW
|
|
Tuesday Night
Jul 21
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
67°F |
9 mph
SW
|
|
Wednesday
Jul 22
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
83°F |
7 mph
NW
|
|
Wednesday Night
Jul 22
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
60°F |
1 to 7 mph
N
|
|
Thursday
Jul 23
|
Sunny
|
82°F |
1 to 5 mph
NE
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
59°F |
5 mph
E
|
Nearby Forecasts
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