Local weather forecast

Weather in Hamilton, OH

Updated 2026-08-11 13:30 local time · ZIP codes 45011, 45013, 45015

Sunny
Now79°F

Sunny

High / Low100° / 72°
Rain chance67%
Wind12 mph
Weather alerts

Active alerts

5
Severe Thunderstorm Watch issued August 11 at 10:04AM EDT until August 11 at 2:00PM EDT by NWS Wilmington OH

SEVERE THUNDERSTORM WATCH 564 REMAINS VALID UNTIL 2 PM EDT THIS AFTERNOON FOR THE FOLLOWING AREAS IN INDIANA THIS WATCH INCLUDES 7 COUNTIES IN EAST CENTRAL INDIANA FAYETTE UNION WAYNE IN SOUTHEAST INDIANA DEARBORN FRANKLIN OHIO SWITZERLAND IN KENTUCKY THIS WATCH INCLUDES 12 COUNTIES IN NORTHEAST KENTUCKY LEWIS IN NORTHERN KENTUCKY BOONE BRACKEN CAMPBELL CARROLL GALLATIN GRANT KENTON MASON OWEN PENDLETON ROBERTSON IN OHIO THIS WATCH INCLUDES 23 COUNTIES IN CENTRAL OHIO FAYETTE FRANKLIN MADISON PICKAWAY IN SOUTH CENTRAL OHIO ADAMS HIGHLAND PIKE ROSS SCIOTO IN SOUTHWEST OHIO BROWN BUTLER CLERMONT CLINTON HAMILTON WARREN IN WEST CENTRAL OHIO CHAMPAIGN CLARK DARKE GREENE MIAMI MONTGOMERY PREBLE SHELBY THIS INCLUDES THE CITIES OF ABERDEEN, ALEXANDRIA, AUGUSTA, AURORA, BEAVERCREEK, BELLEVUE, BLANCHESTER, BRIGHT, BROOKSVILLE, BROOKVILLE, BURLINGTON, BUTLER, CAMDEN, CAMP DIX, CARROLLTON, CHILLICOTHE, CIRCLEVILLE, CONNERSVILLE, COVINGTON, CRITTENDEN, DAY HEIGHTS, DAYTON, DILLSBORO, DOWNTOWN CINCINNATI, DOWNTOWN COLUMBUS, DOWNTOWN DAYTON, DRY RIDGE, EATON, ERLANGER, FAIRBORN, FAIRFIELD, FALMOUTH, FLORENCE, FORT THOMAS, FRANKLIN, GEORGETOWN, GREENDALE, GREENFIELD, GREENVILLE, HAMILTON, HEAD OF GRASSY, HIDDEN VALLEY, HIGHLAND HEIGHTS, HILLSBORO, INDEPENDENCE, KETTERING, LANDEN, LAWRENCEBURG, LEBANON, LIBERTY, LONDON, MANCHESTER, MASON, MAYSVILLE, MIDDLETOWN, MILFORD, MOUNT CARMEL, MOUNT OLIVET, MOUNT ORAB, MOUNT REPOSE, MULBERRY, NEWPORT, OAKBROOK, OWENTON, OXFORD, PEEBLES, PIKE LAKE, PIKETON, PIQUA, PLAIN CITY, PORTSMOUTH, RICHMOND, RIPLEY, RISING SUN, SEAMAN, SIDNEY, SPRINGBORO, SPRINGFIELD, SUMMERSIDE, TIPP CITY, TOLLESBORO, TROY, URBANA, VANCEBURG, VEVAY, WARSAW, WASHINGTON COURT HOUSE, WAVERLY, WEST COLLEGE CORNER, WEST JEFFERSON, WEST UNION, WHEELERSBURG, WILLIAMSTOWN, WILMINGTON, WINCHESTER, WITHAMSVILLE, AND XENIA.

Severe Thunderstorm Watch issued August 11 at 9:28AM EDT until August 11 at 2:00PM EDT by NWS Wilmington OH

SEVERE THUNDERSTORM WATCH 564 REMAINS VALID UNTIL 2 PM EDT THIS AFTERNOON FOR THE FOLLOWING AREAS IN INDIANA THIS WATCH INCLUDES 7 COUNTIES IN EAST CENTRAL INDIANA FAYETTE UNION WAYNE IN SOUTHEAST INDIANA DEARBORN FRANKLIN OHIO SWITZERLAND IN KENTUCKY THIS WATCH INCLUDES 12 COUNTIES IN NORTHEAST KENTUCKY LEWIS IN NORTHERN KENTUCKY BOONE BRACKEN CAMPBELL CARROLL GALLATIN GRANT KENTON MASON OWEN PENDLETON ROBERTSON IN OHIO THIS WATCH INCLUDES 21 COUNTIES IN CENTRAL OHIO FAYETTE MADISON IN SOUTH CENTRAL OHIO ADAMS HIGHLAND PIKE ROSS SCIOTO IN SOUTHWEST OHIO BROWN BUTLER CLERMONT CLINTON HAMILTON WARREN IN WEST CENTRAL OHIO CHAMPAIGN CLARK DARKE GREENE MIAMI MONTGOMERY PREBLE SHELBY THIS INCLUDES THE CITIES OF ABERDEEN, ALEXANDRIA, AUGUSTA, AURORA, BEAVERCREEK, BELLEVUE, BLANCHESTER, BRIGHT, BROOKSVILLE, BROOKVILLE, BURLINGTON, BUTLER, CAMDEN, CAMP DIX, CARROLLTON, CHILLICOTHE, CONNERSVILLE, COVINGTON, CRITTENDEN, DAY HEIGHTS, DAYTON, DILLSBORO, DOWNTOWN CINCINNATI, DOWNTOWN DAYTON, DRY RIDGE, EATON, ERLANGER, FAIRBORN, FAIRFIELD, FALMOUTH, FLORENCE, FORT THOMAS, FRANKLIN, GEORGETOWN, GREENDALE, GREENFIELD, GREENVILLE, HAMILTON, HEAD OF GRASSY, HIDDEN VALLEY, HIGHLAND HEIGHTS, HILLSBORO, INDEPENDENCE, KETTERING, LANDEN, LAWRENCEBURG, LEBANON, LIBERTY, LONDON, MANCHESTER, MASON, MAYSVILLE, MIDDLETOWN, MILFORD, MOUNT CARMEL, MOUNT OLIVET, MOUNT ORAB, MOUNT REPOSE, MULBERRY, NEWPORT, OAKBROOK, OWENTON, OXFORD, PEEBLES, PIKE LAKE, PIKETON, PIQUA, PLAIN CITY, PORTSMOUTH, RICHMOND, RIPLEY, RISING SUN, SEAMAN, SIDNEY, SPRINGBORO, SPRINGFIELD, SUMMERSIDE, TIPP CITY, TOLLESBORO, TROY, URBANA, VANCEBURG, VEVAY, WARSAW, WASHINGTON COURT HOUSE, WAVERLY, WEST COLLEGE CORNER, WEST JEFFERSON, WEST UNION, WHEELERSBURG, WILLIAMSTOWN, WILMINGTON, WINCHESTER, WITHAMSVILLE, AND XENIA.

Severe Thunderstorm Watch issued August 11 at 8:43AM EDT until August 11 at 2:00PM EDT by NWS Wilmington OH

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 564 IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON FOR THE FOLLOWING AREAS IN INDIANA THIS WATCH INCLUDES 7 COUNTIES IN EAST CENTRAL INDIANA FAYETTE UNION WAYNE IN SOUTHEAST INDIANA DEARBORN FRANKLIN OHIO SWITZERLAND IN KENTUCKY THIS WATCH INCLUDES 12 COUNTIES IN NORTHEAST KENTUCKY LEWIS IN NORTHERN KENTUCKY BOONE BRACKEN CAMPBELL CARROLL GALLATIN GRANT KENTON MASON OWEN PENDLETON ROBERTSON IN OHIO THIS WATCH INCLUDES 21 COUNTIES IN CENTRAL OHIO FAYETTE MADISON IN SOUTH CENTRAL OHIO ADAMS HIGHLAND PIKE ROSS SCIOTO IN SOUTHWEST OHIO BROWN BUTLER CLERMONT CLINTON HAMILTON WARREN IN WEST CENTRAL OHIO CHAMPAIGN CLARK DARKE GREENE MIAMI MONTGOMERY PREBLE SHELBY THIS INCLUDES THE CITIES OF ABERDEEN, ALEXANDRIA, AUGUSTA, AURORA, BEAVERCREEK, BELLEVUE, BLANCHESTER, BRIGHT, BROOKSVILLE, BROOKVILLE, BURLINGTON, BUTLER, CAMDEN, CAMP DIX, CARROLLTON, CHILLICOTHE, CONNERSVILLE, COVINGTON, CRITTENDEN, DAY HEIGHTS, DAYTON, DILLSBORO, DOWNTOWN CINCINNATI, DOWNTOWN DAYTON, DRY RIDGE, EATON, ERLANGER, FAIRBORN, FAIRFIELD, FALMOUTH, FLORENCE, FORT THOMAS, FRANKLIN, GEORGETOWN, GREENDALE, GREENFIELD, GREENVILLE, HAMILTON, HEAD OF GRASSY, HIDDEN VALLEY, HIGHLAND HEIGHTS, HILLSBORO, INDEPENDENCE, KETTERING, LANDEN, LAWRENCEBURG, LEBANON, LIBERTY, LONDON, MANCHESTER, MASON, MAYSVILLE, MIDDLETOWN, MILFORD, MOUNT CARMEL, MOUNT OLIVET, MOUNT ORAB, MOUNT REPOSE, MULBERRY, NEWPORT, OAKBROOK, OWENTON, OXFORD, PEEBLES, PIKE LAKE, PIKETON, PIQUA, PLAIN CITY, PORTSMOUTH, RICHMOND, RIPLEY, RISING SUN, SEAMAN, SIDNEY, SPRINGBORO, SPRINGFIELD, SUMMERSIDE, TIPP CITY, TOLLESBORO, TROY, URBANA, VANCEBURG, VEVAY, WARSAW, WASHINGTON COURT HOUSE, WAVERLY, WEST COLLEGE CORNER, WEST JEFFERSON, WEST UNION, WHEELERSBURG, WILLIAMSTOWN, WILMINGTON, WINCHESTER, WITHAMSVILLE, AND XENIA.

Flood Watch issued August 11 at 4:12AM EDT until August 12 at 8:00AM EDT by NWS Wilmington OH

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Indiana, including the following counties, Dearborn, Fayette, Franklin, Union and Wayne, Kentucky, including the following counties, Boone, Bracken, Campbell, Kenton, Lewis, Mason, Pendleton and Robertson, and Ohio, including the following counties, Adams, Auglaize, Brown, Butler, Champaign, Clark, Clermont, Clinton, Darke, Delaware, Fairfield, Fayette, Franklin, Greene, Hamilton, Hardin, Highland, Hocking, Licking, Logan, Madison, Mercer, Miami, Montgomery, Pickaway, Pike, Preble, Ross, Scioto, Shelby, Union and Warren. * WHEN...Through Wednesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Several rounds of thunderstorms are expected into Wednesday morning. Locally heavy rainfall can be expected with the potential for storms to repeatedly track over the same locations. This will result in the potential for flash flooding.

Safety instructions

People in the watch area should keep an eye on the weather and be prepared for immediate action should heavy rains and flooding occur or a Flash Flood Warning be issued. Avoid low-lying areas and be careful when approaching highway dips and underpasses.

Flood Watch issued August 11 at 2:09AM EDT until August 12 at 8:00AM EDT by NWS Wilmington OH

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Indiana, including the following counties, Dearborn, Fayette, Franklin, Union and Wayne, Kentucky, including the following counties, Boone, Bracken, Campbell, Kenton, Lewis, Mason, Pendleton and Robertson, and Ohio, including the following counties, Adams, Auglaize, Brown, Butler, Champaign, Clark, Clermont, Clinton, Darke, Delaware, Fairfield, Fayette, Franklin, Greene, Hamilton, Hardin, Highland, Hocking, Licking, Logan, Madison, Mercer, Miami, Montgomery, Pickaway, Pike, Preble, Ross, Scioto, Shelby, Union and Warren. * WHEN...Through Wednesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Several rounds of thunderstorms are expected through Tuesday night. Locally heavy rainfall can be expected with the potential for storms to repeatedly track over the same locations. This will result in the potential for flash flooding.

Safety instructions

People in the watch area should keep an eye on the weather and be prepared for immediate action should heavy rains and flooding occur or a Flash Flood Warning be issued. Avoid low-lying areas and be careful when approaching highway dips and underpasses.

Hourly

Next hours

NowSunny79°3% rain
2 PMSunny96°2% rain
3 PMSunny100°2% rain
4 PMSunny100°1% rain
5 PMSunny98°1% rain
6 PMPatchy rain nearby77°24% rain
7 PMPatchy rain nearby80°28% rain
8 PMSunny76°6% rain
9 PMLight rain72°75% rain
10 PMPatchy rain nearby73°85% rain
11 PMPatchy rain nearby73°24% rain
12 AMClear72°15% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
100° 72°Sunny
Rain 67%Gust 23 mph
Tomorrow2026-08-12
Light rain shower
88° 67°Light rain shower
Rain 87%Gust 12 mph
Thursday2026-08-13
Mist
85° 67°Mist
Rain 85%Gust 7 mph
Conditions

Weather details

Feels like80°F
Humidity74%
Pressure29.98 inHg
Visibility10 mi
Wind12 mph WSW
Wind gusts14 mph
Precipitation0.00 in
UV index2
Daylight

Sunrise, sunset and moon

Sunrise06:47 AM
Sunset08:39 PM
Moonrise04:48 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 85% over the next 12 hours.

Light layers should work

It feels like 80°F with winds near 12 mph.

Best window: 8 PM

76°F, 6% rain chance and 5 mph wind.

Use extra caution while driving

Visibility is around 10 mi; gusts may reach 48 mph.

Running conditions are less comfortable

Current temperature is 79°F, wind 12 mph, rain chance up to 85%.

Low UV protection needs

UV index is 2.

Hamilton weather today

Sunny and 79°F in Hamilton, OH. Today's high is 100°F with a 67% rain chance. Winds are around 12 mph with gusts near 14 mph. Relative humidity is 74%, pressure is 29.98 inHg, and visibility is about 10 miles.

Tonight and tomorrow in Hamilton

Sunrise is at 06:47 AM and sunset is at 08:39 PM. Tomorrow's forecast calls for Light rain shower with a high near 88°F and a low near 67°F. The maximum rain chance is 87%.

Nearby

Weather near Hamilton

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