Defiance, IA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Defiance, IA in one place.
Sunny, with a high near 91. South southwest wind 2 to 8 mph.
Local Weather Overview
This forecast page for Defiance, IA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 15, 2026 4:37 AM CDT.
The active forecast window currently covers Jul 17 to Jul 21, 2026 for Defiance, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 21, 2026
- Latest sync
- Jul 15, 2026 4:37 AM CDT
- Forecast office
- OAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Defiance
Sunday looks like the warmest upcoming period in Defiance at 96 degrees F.
Monday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Monday at about 6 to 13 mph NW.
The forecast from Jul 17 through Jul 21 stays mostly dry.
Forecast Details
- Last updated
- Jul 15, 2026 4:37 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- OAX
- Radar station
- KOAX
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 72. South southwest wind around 6 mph.
Sunny, with a high near 95. West southwest wind around 6 mph.
Mostly clear, with a low around 70. East northeast wind around 6 mph.
Sunny, with a high near 96. South southeast wind around 6 mph.
Mostly clear, with a low around 73. South southwest wind around 7 mph.
Mostly sunny, with a high near 95. Northwest wind 6 to 13 mph, with gusts as high as 20 mph.
Partly cloudy, with a low around 67. North wind 3 to 13 mph, with gusts as high as 18 mph.
Sunny, with a high near 87. North wind 3 to 12 mph, with gusts as high as 18 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 17
|
Sunny
|
91°F |
2 to 8 mph
SSW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
72°F |
6 mph
SSW
|
|
Saturday
Jul 18
|
Sunny
|
95°F |
6 mph
WSW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
70°F |
6 mph
ENE
|
|
Sunday
Jul 19
|
Sunny
|
96°F |
6 mph
SSE
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
73°F |
7 mph
SSW
|
|
Monday
Jul 20
|
Mostly Sunny
|
95°F |
6 to 13 mph
NW
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
67°F |
3 to 13 mph
N
|
|
Tuesday
Jul 21
|
Sunny
|
87°F |
3 to 12 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Defiance.
