National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Greene County - Lewis A Jackson Regional Airport (KGDK)

Lat: 39.69°NLon: 83.99°WElev: 949ft.

Overcast

37°F

3°C

Humidity 93%
Wind Speed NE 3 mph
Barometer 30.13 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 10 Jan 1:35 am EST
Extended Forecast for

5 Miles WNW Port William OH

  • Overnight

    Overnight: Cloudy, with a low around 40. East wind around 7 mph.

    Low: 40 °F

    Cloudy

  • Saturday

    Saturday: Rain, mainly after noon. High near 51. East wind 6 to 14 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: A chance of rain before 7pm, then a chance of snow showers after midnight. Cloudy, then gradually becoming partly cloudy, with a low around 24. West wind 13 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Rain
    then Chance
    Snow Showers

  • Sunday

    Sunday: A chance of snow showers, mainly before 10am, then scattered flurries after 1pm. Mostly cloudy, with a high near 32. Breezy, with a west wind 18 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance Snow
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. West wind 8 to 13 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47. Breezy.

    High: 47 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Overnight
Cloudy, with a low around 40. East wind around 7 mph.
Saturday
Rain, mainly after noon. High near 51. East wind 6 to 14 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A chance of rain before 7pm, then a chance of snow showers after midnight. Cloudy, then gradually becoming partly cloudy, with a low around 24. West wind 13 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday
A chance of snow showers, mainly before 10am, then scattered flurries after 1pm. Mostly cloudy, with a high near 32. Breezy, with a west wind 18 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Sunday Night
Partly cloudy, with a low around 24. West wind 8 to 13 mph.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly cloudy, with a high near 47. Breezy.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 50%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 28.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly cloudy, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Port William OH
 39.57°N 83.85°W (Elev. 997 ft)
Last Update:
12:41 am EST Jan 10, 2026
Forecast Valid:
1am EST Jan 10, 2026-6pm EST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation