Weather forecast for: Old Washington OH
Last Update: 7:36 pm EDT Sep 26, 2026
Tonight: Partly cloudy, with a low around 52. North wind 3 to 6 mph.
Sunday: Mostly sunny, with a high near 72. North wind 5 to 9 mph, with gusts as high as 21 mph.
Sunday Night: Mostly cloudy, with a low around 55. North wind around 6 mph becoming calm in the evening.
Monday: Mostly cloudy, with a high near 69. Calm wind becoming north around 5 mph in the afternoon.
Monday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 57. Calm wind.
Tuesday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 74.
Tuesday Night: Patchy fog after 9pm. Otherwise, mostly clear, with a low around 56.
Wednesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 75.
Wednesday Night: Mostly cloudy, with a low around 60.
Thursday: Mostly cloudy, with a high near 76.
Thursday Night: A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Friday: A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
Friday Night: A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Saturday: A chance of showers. The rain could be heavy at times. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.