Castana, IA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Castana, IA in one place.
Sunny, with a high near 91. South wind 1 to 6 mph.
Local Weather Overview
This forecast page for Castana, 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 3:43 AM CDT.
The active forecast window currently covers Jul 16 to Jul 21, 2026 for Castana, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 16 to Jul 21, 2026
- Latest sync
- Jul 15, 2026 3:43 AM CDT
- Forecast office
- OAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Castana
Sunday looks like the warmest upcoming period in Castana at 99 degrees F.
Monday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Monday at about 5 to 13 mph NNW.
The forecast from Jul 16 through Jul 21 stays mostly dry.
Forecast Details
- Last updated
- Jul 15, 2026 3:43 AM 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
Mostly clear, with a low around 71. South southeast wind around 6 mph.
Sunny, with a high near 93. South southwest wind 3 to 8 mph.
Mostly clear, with a low around 74. South southwest wind around 7 mph.
Sunny, with a high near 97. Northwest wind 3 to 7 mph.
Mostly clear, with a low around 71. East northeast wind 3 to 7 mph.
Sunny, with a high near 99. South southeast wind 3 to 7 mph.
Mostly clear, with a low around 76. South southwest wind 5 to 8 mph.
Mostly sunny, with a high near 96. North northwest wind 5 to 13 mph, with gusts as high as 23 mph.
Mostly clear, with a low around 68. North wind 5 to 13 mph, with gusts as high as 23 mph.
Sunny, with a high near 88. North wind 3 to 10 mph, with gusts as high as 20 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Sunny
|
91°F |
1 to 6 mph
S
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
71°F |
6 mph
SSE
|
|
Friday
Jul 17
|
Sunny
|
93°F |
3 to 8 mph
SSW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
74°F |
7 mph
SSW
|
|
Saturday
Jul 18
|
Sunny
|
97°F |
3 to 7 mph
NW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
71°F |
3 to 7 mph
ENE
|
|
Sunday
Jul 19
|
Sunny
|
99°F |
3 to 7 mph
SSE
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
76°F |
5 to 8 mph
SSW
|
|
Monday
Jul 20
|
Mostly Sunny
|
96°F |
5 to 13 mph
NNW
|
|
Monday Night
Jul 20
|
Mostly Clear
|
68°F |
5 to 13 mph
N
|
|
Tuesday
Jul 21
|
Sunny
|
88°F |
3 to 10 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Castana.