| 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. Mostly sunny, with a high near 90. Heat index values as high as 99. Southwest wind around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. 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 71. 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 91. Heat index values as high as 101. Calm wind becoming west around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Monday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 71. 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 92. Calm wind becoming west southwest around 5 mph. Tuesday Night: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 72. 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 92. Calm wind becoming south southwest around 5 mph. Wednesday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 73. Calm wind. Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming south southwest around 5 mph. Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 72. Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Friday Night: A 20 percent chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 72. Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. | |
| Williamsport TN 35.63°N 87.24°W (Elev. 705 ft) | |
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