Montgomery County, OH Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Montgomery County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms before 1am, then patchy fog. Partly cloudy, with a low around 55. Northwest wind 3 to 12 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Montgomery County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 20 of 20 mapped cities in Montgomery County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 23 to Aug 30, 2026
- Latest sync
- Aug 23, 2026 8:35 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Montgomery County
Thursday looks like the warmest upcoming period in Montgomery County at 84 degrees F.
Tonight is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Tonight at about 3 to 12 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 8:35 PM EDT
- Coverage
- 8 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
Patchy fog before 9am. Sunny, with a high near 77. West wind 2 to 9 mph.
Partly cloudy, with a low around 55. Northwest wind 1 to 8 mph.
Sunny, with a high near 79. Northwest wind 0 to 3 mph.
Partly cloudy, with a low around 59. Northeast wind around 3 mph.
Mostly sunny, with a high near 83.
A slight chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 65.
A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63.
Sunny, with a high near 82.
Mostly clear, with a low around 62.
Mostly sunny, with a high near 82.
Partly cloudy, with a low around 64.
A slight chance of rain showers between 8am and 2pm. Mostly sunny, with a high near 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Aug 23
|
Chance Showers And Thunderstorms
|
55°F |
3 to 12 mph
NW
|
|
Monday
Aug 24
|
Patchy Fog then Sunny
|
77°F |
2 to 9 mph
W
|
|
Monday Night
Aug 24
|
Partly Cloudy
|
55°F |
1 to 8 mph
NW
|
|
Tuesday
Aug 25
|
Sunny
|
79°F |
0 to 3 mph
NW
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
59°F |
3 mph
NE
|
|
Wednesday
Aug 26
|
Mostly Sunny
|
83°F |
2 to 6 mph
S
|
|
Wednesday Night
Aug 26
|
Slight Chance Showers And Thunderstorms
|
65°F |
5 mph
SW
|
|
Thursday
Aug 27
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
84°F |
3 to 12 mph
W
|
|
Thursday Night
Aug 27
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
63°F |
3 to 9 mph
NW
|
|
Friday
Aug 28
|
Sunny
|
82°F |
3 to 7 mph
NW
|
|
Friday Night
Aug 28
|
Mostly Clear
|
62°F |
2 to 7 mph
N
|
|
Saturday
Aug 29
|
Mostly Sunny
|
82°F |
2 to 6 mph
E
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
64°F |
6 mph
E
|
|
Sunday
Aug 30
|
Slight Chance Rain Showers
|
84°F |
3 to 8 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Montgomery County.
Coverage
Forecast coverage currently spans 20 of 20 mapped cities in Montgomery County.
Largest mapped city population in this region: 139,907.
