| NWS Forecast for: Port Byron NY Issued by: National Weather Service Buffalo, NY Last Update: 10:36 am EDT Jul 13, 2025 |  |
This Afternoon: Showers likely and possibly a thunderstorm, then showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall. High near 88. Heat index values as high as 96. South wind around 9 mph becoming west. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible. Tonight: Showers and thunderstorms likely, mainly before 8pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible. Monday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Light and variable wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%. Monday Night: Mostly clear, with a low around 67. Calm wind. Tuesday: Sunny, with a high near 89. Calm wind. Tuesday Night: Mostly clear, with a low around 71. Calm wind. Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. South wind around 6 mph. Chance of precipitation is 30%. Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South wind 3 to 6 mph. Chance of precipitation is 30%. Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 70%. Thursday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 30%. Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%. Saturday: Mostly sunny, with a high near 82. | |
| Port Byron NY 43.03°N 76.64°W (Elev. 499 ft) | |
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