Gretna, OH Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Gretna, OH in one place.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 87. West wind 0 to 3 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Gretna, OH is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 14, 2026 5:05 PM EDT.
The active forecast window currently covers Sep 16 to Sep 20, 2026 for Gretna, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 5:05 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Gretna
Thursday looks like the warmest upcoming period in Gretna at 88 degrees F.
Sunday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Saturday at about 3 to 12 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 5:05 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- ILN
- Radar station
- KILN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
A chance of rain showers. Partly sunny, with a high near 83. Chance of precipitation is 30%.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 65.
A chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Chance Showers And Thunderstorms
|
87°F |
0 to 3 mph
W
|
|
Wednesday Night
Sep 16
|
Chance Showers And Thunderstorms
|
69°F |
2 mph
E
|
|
Thursday
Sep 17
|
Chance Showers And Thunderstorms
|
88°F |
1 to 6 mph
W
|
|
Thursday Night
Sep 17
|
Chance Showers And Thunderstorms
|
68°F |
0 to 3 mph
N
|
|
Friday
Sep 18
|
Chance Rain Showers
|
83°F |
5 mph
NE
|
|
Friday Night
Sep 18
|
Slight Chance Rain Showers then Partly Cloudy
|
65°F |
6 mph
E
|
|
Saturday
Sep 19
|
Chance Rain Showers
|
86°F |
3 to 12 mph
S
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms
|
67°F |
7 mph
SW
|
|
Sunday
Sep 20
|
Chance Rain Showers
|
82°F |
6 to 10 mph
SW
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
63°F |
7 to 10 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Gretna.