| NWS Forecast for: Martinsburg Arpt WV Issued by: National Weather Service Baltimore, MD/Washington, D.C. Last Update: 12:33 am EDT Aug 18, 2026 |  |
| Overnight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 68. Light and variable wind. Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 83. North wind 5 to 7 mph. Tuesday Night: Mostly clear, with a low around 62. Northwest wind around 6 mph becoming calm in the evening. Wednesday: Sunny, with a high near 86. Calm wind becoming west around 6 mph in the afternoon. Wednesday Night: A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 70%. Thursday Night: Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%. Friday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%. Friday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 50%. Saturday: A slight chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%. Saturday Night: A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 40%. Sunday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 20%. Sunday Night: Partly cloudy, with a low around 61. Monday: A slight chance of showers. Sunny, with a high near 80. Chance of precipitation is 20%. | |
| Martinsburg Arpt WV 39.41°N 77.97°W (Elev. 499 ft) | |
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