Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West
Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >
| NWS Forecast for: Port Byron NY Issued by: National Weather Service Buffalo, NY Last Update: 10:36 pm EDT Jul 14, 2025 |  |
Overnight: Mostly clear, with a low around 68. Calm wind. Tuesday: Sunny, with a high near 88. Calm wind. Tuesday Night: Mostly clear, with a low around 71. Light and variable wind. Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny and hot, with a high near 90. Heat index values as high as 97. South wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Southwest wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 67. West wind 5 to 7 mph. Chance of precipitation is 60%. Friday: A chance of showers. Partly sunny, with a high near 77. Northwest wind around 7 mph. Chance of precipitation is 30%. Friday Night: Partly cloudy, with a low around 61. Saturday: Mostly sunny, with a high near 83. Saturday Night: Mostly cloudy, with a low around 66. Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%. Sunday Night: A chance of thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%. Monday: Mostly sunny, with a high near 81. | |
| Port Byron NY 43.03°N 76.64°W (Elev. 499 ft) | |
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