Hamilton County, OH Weather Forecast
County weather hub
Chance Rain Showers then Slight Chance Showers And Thunderstorms
Compare major city weather across Hamilton County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
County Weather Overview
This county weather page brings together forecast coverage for Hamilton County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 27 of 27 mapped cities in Hamilton County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 25 to May 28, 2026
- Latest sync
- May 22, 2026 6:58 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Hamilton County
Memorial Day looks like the warmest upcoming period in Hamilton County at 81 degrees F.
Thursday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Thursday at about 2 to 7 mph NE.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- May 22, 2026 6:58 PM EDT
- Coverage
- 4 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 slight chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
81°F |
0 to 3 mph
NE
|
|
Monday Night
May 25
|
Slight Chance Showers And Thunderstorms
|
63°F |
2 mph
NE
|
|
Tuesday
May 26
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
79°F |
5 mph
E
|
|
Tuesday Night
May 26
|
Chance Showers And Thunderstorms
|
65°F |
1 to 5 mph
SE
|
|
Wednesday
May 27
|
Chance Showers And Thunderstorms
|
81°F |
1 to 6 mph
E
|
|
Wednesday Night
May 27
|
Chance Showers And Thunderstorms
|
64°F |
1 to 6 mph
E
|
|
Thursday
May 28
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
81°F |
2 to 7 mph
NE
|
|
Thursday Night
May 28
|
Chance Showers And Thunderstorms
|
61°F |
6 mph
NE
|
Major City Forecasts
Live forecast snapshots for major cities across Hamilton County.
Coverage
Forecast coverage currently spans 27 of 27 mapped cities in Hamilton County.
Largest mapped city population in this region: 304,548.
