Low 54F. Winds light and variable. 62°F 17°C More Information: Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast Extended Forecast for Martinsville VA Columbus Day Scattered Showers High: 65 °F Tonight Scattered Showers then Mostly Cloudy Low: 44 °F Tuesday Becoming Sunny High: 72 °F Tuesday Night Mostly Clear Low: 43 °F Wednesday Mostly Sunny.