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

57°F

14°C

Humidity 77%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 17 May 4:15 am EDT
Extended Forecast for

5 Miles SSW Union Hall VA

  • Today

    Today: Partly sunny, then gradually becoming sunny and hot, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.

    High: 90 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 65. South wind 3 to 5 mph.

    Low: 65 °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 66. Southwest wind around 7 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 93. South wind 6 to 11 mph.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 40%.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    T-storms

  • 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
Partly sunny, then gradually becoming sunny and hot, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 65. South wind 3 to 5 mph.
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 66. Southwest wind around 7 mph.
Tuesday
Sunny and hot, with a high near 93. South wind 6 to 11 mph.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
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 56. Chance of precipitation is 70%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Union Hall VA
 36.93°N 79.72°W (Elev. 801 ft)
Last Update:
3:30 am EDT May 17, 2026
Forecast Valid:
4am 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