Weather forecast for: Lewistown PA
Last Update: 4:01 pm EDT Aug 6, 2026
Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 5am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.
Friday: Showers and thunderstorms likely, mainly between 3pm and 4pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 88. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers after 5am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%.
Sunday: Sunny, with a high near 87.
Sunday Night: Mostly clear, with a low around 65.
Monday: Mostly sunny, with a high near 88.
Monday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Tuesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Wednesday: A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Thursday: A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.