National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Martinsville (KMTV)

Lat: 36.63°NLon: 80.02°WElev: 942ft.

Fair

63°F

17°C

Humidity 67%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 17 May 7:55 am EDT
Extended Forecast for

3 Miles SW Penhook VA

  • Today

    Today: Sunny and hot, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.

    High: 91 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 64. Light south wind.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 92. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 92 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. Southwest wind 5 to 7 mph.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 93. Southwest wind 5 to 11 mph.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Chance of precipitation is 40%.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny and hot, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 64. Light south wind.
Monday
Sunny and hot, with a high near 92. Light southwest wind becoming south 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 65. Southwest wind 5 to 7 mph.
Tuesday
Sunny and hot, with a high near 93. Southwest wind 5 to 11 mph.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Penhook VA
 36.95°N 79.66°W (Elev. 699 ft)
Last Update:
7:30 am EDT May 17, 2026
Forecast Valid:
7am EDT May 17, 2026-6pm EDT May 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation