Defiance County, OH Weather Forecast
County weather hub
Sunny
Compare major city weather across Defiance County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 68.
County Weather Overview
This county weather page brings together forecast coverage for Defiance County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Defiance County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 19 to Oct 22, 2026
- Latest sync
- Oct 15, 2026 10:59 PM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Defiance County
Thursday looks like the warmest upcoming period in Defiance County at 72 degrees F.
Monday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Monday at about 0 to 5 mph SW.
The forecast from Oct 19 through Oct 22 stays mostly dry.
Forecast Details
- Last updated
- Oct 15, 2026 10:59 PM EDT
- Coverage
- 4 days
- Time zone
- America/New_York
- Forecast office
- IWX
- Radar station
- KIWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 40.
Mostly sunny, with a high near 70.
Mostly clear, with a low around 41.
Sunny, with a high near 70.
Mostly clear, with a low around 42.
Sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Oct 19
|
Sunny
|
68°F |
0 to 5 mph
SW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
40°F |
0 to 5 mph
SW
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
70°F |
0 mph
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
41°F |
0 mph
|
|
Wednesday
Oct 21
|
Sunny
|
70°F |
0 to 5 mph
NE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
42°F |
0 to 5 mph
E
|
|
Thursday
Oct 22
|
Sunny
|
72°F |
0 to 5 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across Defiance County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Defiance County.
Largest mapped city population in this region: 16,482.
