| NWS Forecast for: Williamsport TN Issued by: National Weather Service Nashville, TN Last Update: 6:29 am CDT Jul 13, 2025 | |
| Today: A 50 percent chance of showers and thunderstorms, mainly after 11am. Mostly sunny, with a high near 32. Heat index values as high as 37. West southwest wind 5 to 10 km/h. New rainfall amounts between 2.5 and 5 mm possible. Tonight: A 20 percent chance of showers and thunderstorms before 3am. Patchy fog before 11pm, then patchy fog after midnight. Otherwise, partly cloudy, with a low around 22. Calm wind. Monday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 33. Heat index values as high as 38. Calm wind becoming west 5 to 10 km/h in the afternoon. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms. Monday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 22. Calm wind. Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 33. Calm wind. Tuesday Night: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 22. Calm wind. Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 33. Calm wind. Wednesday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 23. Calm wind. Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 33. South southwest wind 5 to 10 km/h. Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 22. Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 32. Friday Night: A 20 percent chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 22. Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 32. | |
| Williamsport TN 35.63°N 87.24°W (Elev. 705 m) | |
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