Weather in Port Jefferson, OH
Updated 2026-09-26 10:00 local time · ZIP codes 45360
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
54°7% rain58°5% rain61°3% rain64°2% rain65°2% rain66°2% rain66°2% rain66°2% rain64°3% rain64°5% rain
59°6% rain57°6% 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 7%).
It feels like 50°F with winds near 7 mph.
66°F, 2% rain chance and 9 mph wind.
Visibility is around 6 mi; gusts may reach 11 mph.
Current temperature is 54°F, wind 7 mph, rain chance up to 7%.
UV index is 1.
Local weather characteristics in Port Jefferson
Ohio has four distinct seasons with humid summers and cold winters. Lake Erie can influence clouds, temperatures and snowfall across northern parts of the state.
Port Jefferson is part of the Midwest weather region. The forecast point is near 40.33°N latitude and 84.09°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 Jefferson weather today
Sunny and 54°F in Port Jefferson, OH. Today's high is 66°F with a 7% rain chance. Winds are around 7 mph with gusts near 10 mph. Relative humidity is 74%, pressure is 30.21 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Port Jefferson
Sunrise is at 07:27 AM and sunset is at 07:27 PM. Tomorrow's forecast calls for Sunny with a high near 67°F and a low near 49°F. The maximum rain chance is 4%.