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Port Jefferson, OH 45360 Weather

Today: Sunny, high 77°F, low 44°F. Hourly and 10-day forecast from the National Weather Service. Times are local (EDT).

Port Jefferson, OH 45360 current weather

59°F

Sunny

Forecast for this hour. No recent report from a nearby station.

H 77° / L 44°

No recent station report. NWS hourly forecast updated 10/29/2026, 2:54 AM PT

Hourly forecast

NWS, updated 10/29/2026, 2:54 AM PT

  1. Now59°
  2. 11 AM64°
  3. 12 PM69°
  4. 1 PM73°
  5. 2 PM75°
  6. 3 PM76°
  7. 4 PM76°
  8. 5 PM77°
  9. 6 PM75°
  10. 7 PM72°
  11. 8 PM68°25%
  12. 9 PM64°33%
  13. 10 PM63°32%
  14. 11 PM62°10%
  15. 12 AM60°Fri
  16. 1 AM59°
  17. 2 AM57°
  18. 3 AM55°
  19. 4 AM52°
  20. 5 AM49°
  21. 6 AM47°
  22. 7 AM46°
  23. 8 AM44°
  24. 9 AM47°
  25. 10 AM51°
  26. 11 AM55°
  27. 12 PM58°
  28. 1 PM62°
  29. 2 PM64°
  30. 3 PM65°
  31. 4 PM66°
  32. 5 PM64°
  33. 6 PM62°
  34. 7 PM58°
  35. 8 PM54°
  36. 9 PM52°
  37. 10 PM51°
  38. 11 PM50°
  39. 12 AM49°Sat
  40. 1 AM48°
  41. 2 AM48°
  42. 3 AM48°
  43. 4 AM48°
  44. 5 AM47°
  45. 6 AM46°
  46. 7 AM45°
  47. 8 AM46°
  48. 9 AM48°

10-day forecast

Tap a day for details

  • Today10/2933% chance of precipitationLow 44°High 77°

    Today: Sunny, with a high near 77. Southwest wind 9 to 15 mph.

    Tonight: A chance of rain showers between 8pm and 11pm. Partly cloudy, with a low around 44. Northwest wind 3 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

    Sunny
  • Fri10/30Low 45°High 66°

    Friday: Sunny, with a high near 66. North wind around 5 mph.

    Friday Night: Mostly cloudy, with a low around 45. Northeast wind around 5 mph.

    Sunny
  • Sat10/31Low 49°High 65°

    Saturday: Mostly cloudy, with a high near 65. East wind around 7 mph.

    Saturday Night: Cloudy, with a low around 49.

    Mostly Cloudy
  • Sun11/128% chance of precipitationLow 50°High 68°

    Sunday: A chance of rain after 7am. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.

    Chance Light Rain
  • Mon11/233% chance of precipitationLow 53°High 70°

    Monday: A chance of rain. Mostly cloudy, with a high near 70. Chance of precipitation is 30%.

    Monday Night: A chance of rain. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.

    Chance Light Rain
  • Tue11/349% chance of precipitationLow 55°High 71°

    Tuesday: A chance of rain. Partly sunny, with a high near 71. Chance of precipitation is 40%.

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.

    Chance Light Rain
  • Wed11/454% chance of precipitationLow 50°High 69°

    Wednesday: A chance of rain. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 50.

    Chance Light Rain
  • Thu11/5Model blend42% chance of precipitationLow 43°High 65°

    Thursday: Chance of rain. High near 65°. Low that night near 43°. About 0.14 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Fri11/6Model blend28% chance of precipitationLow 38°High 59°

    Friday: Mostly cloudy, slight chance of rain. High near 59°. Low that night near 38°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blend16% chance of precipitationLow 36°High 59°

    Saturday: Partly cloudy, slight chance of rain. High near 59°. Low that night near 36°. About 0.01 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 40.331, -84.091 from the NWS ILN office, updated 10/29/2026, 2:54 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KAXV (Wapakoneta/Armstrong Arpt, 16 mi), model run 10/29/2026, 4:00 AM EDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now59°Sunny0%9 mph
  2. 11 AM64°Sunny0%10 mph
  3. 12 PM69°Sunny0%12 mph
  4. 1 PM73°Sunny0%13 mph
  5. 2 PM75°Sunny0%14 mph
  6. 3 PM76°Sunny0%15 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Port Jefferson, OH 45360?
The National Weather Service forecast for today calls for a high near 77°F. Sunny.
Will it rain in Port Jefferson, OH 45360 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Port Jefferson, OH 45360?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 5 to Nov 7) come from the NOAA National Blend of Models, with highs of 59°F to 65°F and up to a 42% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in Port Jefferson, OH 45360 today?
Sunrise is about 8:02 AM EDT and sunset is about 6:37 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Port Jefferson, OH 45360?
At Sidney 1 S, the 1991 to 2020 normal high in October is 65°F and the normal low is 42°F.

Nearby hazards

Ohio hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Dayton)
84ModerateOzone
AQI forecast tomorrow (Dayton)
67ModerateOzone

UV index guide · Air quality

Drought

By county

Shelby County, week of 10/20/2026

No drought or abnormal dryness in this county.

Sun and moon

Local time, center of the area

Sunrise
8:02 AM
Sunset
6:37 PM
Daylight
10 hr 34 min
Moon
Waning Gibbous 87% lit
First light (civil dawn)
7:34 AM
Last light (civil dusk)
7:05 PM
Moonrise
9:03 PM
Moonset
12:16 PM

Normal October weather

Climate

Normal October high 65°, low 42°, precipitation 2.89 in for the month. 1991 to 2020 normals at Sidney 1 S, 5 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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