Weather in Port Byron, NY
Updated 2026-09-26 12:00 local time · ZIP codes 13140
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
66°12% rain67°12% rain68°11% rain68°12% rain67°13% rain66°13% rain65°13% rain
64°13% rain63°13% rain
62°12% rain
61°6% rain60°19% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 19%).
It feels like 59°F with winds near 13 mph.
66°F, 12% rain chance and 13 mph wind.
Visibility is around 6 mi; gusts may reach 28 mph.
Current temperature is 66°F, wind 13 mph, rain chance up to 19%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Port Byron
New York spans Atlantic coastal, inland valley, Great Lakes and mountain climates. Lake-effect snow, coastal storms and large upstate/downstate temperature differences are all common.
Port Byron is part of the Northeast weather region. The forecast point is near 43.03°N latitude and 76.62°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Port Byron weather today
Overcast and 66°F in Port Byron, NY. Today's high is 68°F with a 14% rain chance. Winds are around 13 mph with gusts near 19 mph. Relative humidity is 51%, pressure is 30.06 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Port Byron
Sunrise is at 06:58 AM and sunset is at 06:57 PM. Tomorrow's forecast calls for Overcast with a high near 62°F and a low near 53°F. The maximum rain chance is 84%.