Hamilton County, OH Weather Forecast
County weather hub
Sunny
Compare major city weather across Hamilton County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 78. Northwest wind 3 to 10 mph.
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
- Aug 23 to Aug 28, 2026
- Latest sync
- Aug 22, 2026 7:48 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Hamilton County
Thursday looks like the warmest upcoming period in Hamilton County at 86 degrees F.
Sunday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Sunday at about 3 to 10 mph NW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Aug 22, 2026 7:48 PM EDT
- Coverage
- 6 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
Mostly clear, with a low around 57. Northwest wind 1 to 9 mph.
Mostly sunny, with a high near 78. Northwest wind 1 to 6 mph.
Partly cloudy, with a low around 58.
Sunny, with a high near 81.
Partly cloudy, with a low around 61.
Mostly sunny, with a high near 84.
Partly cloudy, with a low around 65.
Mostly sunny, with a high near 86.
A slight chance of showers and thunderstorms between 8pm and 2am. Mostly clear, with a low around 65.
Sunny, with a high near 84.
Mostly clear, with a low around 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Aug 23
|
Sunny
|
78°F |
3 to 10 mph
NW
|
|
Sunday Night
Aug 23
|
Mostly Clear
|
57°F |
1 to 9 mph
NW
|
|
Monday
Aug 24
|
Mostly Sunny
|
78°F |
1 to 6 mph
NW
|
|
Monday Night
Aug 24
|
Partly Cloudy
|
58°F |
0 to 5 mph
NE
|
|
Tuesday
Aug 25
|
Sunny
|
81°F |
0 to 3 mph
E
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
61°F |
3 mph
NE
|
|
Wednesday
Aug 26
|
Mostly Sunny
|
84°F |
3 mph
SE
|
|
Wednesday Night
Aug 26
|
Partly Cloudy
|
65°F |
3 mph
SE
|
|
Thursday
Aug 27
|
Mostly Sunny
|
86°F |
1 to 8 mph
SW
|
|
Thursday Night
Aug 27
|
Slight Chance Showers And Thunderstorms
|
65°F |
1 to 7 mph
NW
|
|
Friday
Aug 28
|
Sunny
|
84°F |
1 to 6 mph
NW
|
|
Friday Night
Aug 28
|
Mostly Clear
|
65°F |
1 to 6 mph
N
|
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.
