Weather forecast for: Johnstown NY
Last Update: 8:36 am EDT Sep 18, 2026
This Afternoon: Mostly sunny, with a high near 73. Northwest wind 8 to 10 mph.
Tonight: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 42. North wind around 6 mph becoming calm in the evening.
Saturday: Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then becoming sunny, with a high near 64. Light east wind.
Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 45. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday: Rain. High near 58. East wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night: A chance of rain before 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday: Mostly sunny, with a high near 63.
Monday Night: A chance of showers after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Tuesday: A chance of showers before 2pm. Mostly cloudy, with a high near 59. Chance of precipitation is 30%.
Tuesday Night: Mostly cloudy, with a low around 43.
Wednesday: Mostly sunny, with a high near 60.
Wednesday Night: A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Thursday: A chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 30%.