Defiance, IA Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Defiance, IA in one place.
A chance of rain showers after 7am. Partly sunny. High near 71, with temperatures falling to around 59 in the afternoon. West southwest wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
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: Apr 16, 2026 12:44 PM CDT.
The active forecast window currently covers Apr 17 to Apr 22, 2026 for Defiance, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 12:44 PM CDT
- Forecast office
- OAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Defiance
Tuesday looks like the warmest upcoming period in Defiance at 74 degrees F.
Friday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Friday at about 16 to 21 mph WSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 12:44 PM CDT
- Coverage
- 6 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
A chance of rain showers before 4am, then a slight chance of snow showers. Partly cloudy, with a low around 31. North northwest wind 14 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of snow showers before 7am. Sunny, with a high near 51. Northwest wind 14 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 31. West northwest wind 2 to 17 mph, with gusts as high as 25 mph.
Sunny, with a high near 61. West northwest wind 3 to 9 mph, with gusts as high as 16 mph.
Mostly clear, with a low around 38. East wind 6 to 10 mph, with gusts as high as 17 mph.
Sunny, with a high near 72. South southeast wind 10 to 18 mph, with gusts as high as 26 mph.
Mostly clear, with a low around 48. South southwest wind 12 to 16 mph, with gusts as high as 24 mph.
Sunny, with a high near 74. South southwest wind 12 to 15 mph, with gusts as high as 23 mph.
Mostly clear, with a low around 49. South wind around 13 mph, with gusts as high as 20 mph.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 73. South southeast wind 9 to 17 mph, with gusts as high as 25 mph.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 50. Southeast wind around 15 mph, with gusts as high as 23 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 17
|
Chance Rain Showers
|
71°F |
16 to 21 mph
WSW
|
|
Friday Night
Apr 17
|
Chance Rain Showers then Slight Chance Snow Showers
|
31°F |
14 to 20 mph
NNW
|
|
Saturday
Apr 18
|
Slight Chance Snow Showers then Sunny
|
51°F |
14 to 20 mph
NW
|
|
Saturday Night
Apr 18
|
Mostly Clear
|
31°F |
2 to 17 mph
WNW
|
|
Sunday
Apr 19
|
Sunny
|
61°F |
3 to 9 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
38°F |
6 to 10 mph
E
|
|
Monday
Apr 20
|
Sunny
|
72°F |
10 to 18 mph
SSE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
48°F |
12 to 16 mph
SSW
|
|
Tuesday
Apr 21
|
Sunny
|
74°F |
12 to 15 mph
SSW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
49°F |
13 mph
S
|
|
Wednesday
Apr 22
|
Mostly Sunny then Slight Chance Rain Showers
|
73°F |
9 to 17 mph
SSE
|
|
Wednesday Night
Apr 22
|
Chance Showers And Thunderstorms
|
50°F |
15 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Defiance.
