Castana, IA Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Castana, IA in one place.
A slight chance of rain showers after 7am. Partly sunny. High near 70, with temperatures falling to around 58 in the afternoon. West southwest wind 14 to 21 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
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: Apr 16, 2026 9:44 AM CDT.
The active forecast window currently covers Apr 17 to Apr 22, 2026 for Castana, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 9:44 AM CDT
- Forecast office
- OAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Castana
Tuesday looks like the warmest upcoming period in Castana at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Friday at about 14 to 21 mph WSW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 9:44 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
A slight chance of rain showers before 1am. Partly cloudy, with a low around 31. North northwest wind 13 to 21 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Sunny, with a high near 53. Northwest wind 12 to 18 mph, with gusts as high as 32 mph.
Mostly clear, with a low around 29. West northwest wind 2 to 16 mph, with gusts as high as 29 mph.
Sunny, with a high near 63. West northwest wind 2 to 8 mph, with gusts as high as 17 mph.
Mostly clear, with a low around 39. East wind 7 to 10 mph, with gusts as high as 18 mph.
Sunny, with a high near 74. South southeast wind 10 to 17 mph, with gusts as high as 29 mph.
Mostly clear, with a low around 50. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 50. South wind around 13 mph, with gusts as high as 22 mph.
A slight chance of rain showers after 1pm. Sunny, with a high near 76. South southeast wind 9 to 16 mph, with gusts as high as 28 mph.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 52. Southeast wind 12 to 15 mph, with gusts as high as 25 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 17
|
Slight Chance Rain Showers
|
70°F |
14 to 21 mph
WSW
|
|
Friday Night
Apr 17
|
Slight Chance Rain Showers
|
31°F |
13 to 21 mph
NNW
|
|
Saturday
Apr 18
|
Sunny
|
53°F |
12 to 18 mph
NW
|
|
Saturday Night
Apr 18
|
Mostly Clear
|
29°F |
2 to 16 mph
WNW
|
|
Sunday
Apr 19
|
Sunny
|
63°F |
2 to 8 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
39°F |
7 to 10 mph
E
|
|
Monday
Apr 20
|
Sunny
|
74°F |
10 to 17 mph
SSE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
50°F |
10 to 15 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
77°F |
10 to 15 mph
SSW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
50°F |
13 mph
S
|
|
Wednesday
Apr 22
|
Sunny then Slight Chance Rain Showers
|
76°F |
9 to 16 mph
SSE
|
|
Wednesday Night
Apr 22
|
Chance Showers And Thunderstorms
|
52°F |
12 to 15 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Castana.