Castana, IA Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Castana, IA in one place.
Mostly cloudy. High near 48, with temperatures falling to around 45 in the afternoon. Southeast wind around 2 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: Nov 6, 2026 9:15 AM CST.
The active forecast window currently covers Nov 6 to Nov 12, 2026 for Castana, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 9:15 AM CST
- Forecast office
- OAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Castana
Monday looks like the warmest upcoming period in Castana at 64 degrees F.
Tonight is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Saturday at about 5 to 8 mph SSW.
The forecast from Nov 6 through Nov 12 stays mostly dry.
Forecast Details
- Last updated
- Nov 6, 2026 9:15 AM CST
- Coverage
- 8 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
Patchy fog between 2am and 4am. Mostly cloudy. Low around 30, with temperatures rising to around 33 overnight. South southwest wind 1 to 5 mph.
Mostly sunny. High near 57, with temperatures falling to around 52 in the afternoon. South southwest wind 5 to 8 mph.
Partly cloudy, with a low around 35. West southwest wind around 3 mph.
Sunny, with a high near 61. West wind around 2 mph.
Mostly clear, with a low around 40. South wind 2 to 6 mph.
Sunny, with a high near 64. West southwest wind 5 to 8 mph.
Clear, with a low around 35. North northwest wind 0 to 3 mph.
Sunny, with a high near 61. West northwest wind around 2 mph.
Partly cloudy, with a low around 38. South southwest wind around 2 mph.
Mostly sunny, with a high near 61. North northwest wind 1 to 5 mph.
Mostly clear, with a low around 38. North wind around 3 mph.
Mostly sunny, with a high near 57. North northwest wind around 5 mph.
Mostly clear, with a low around 39. East southeast wind around 3 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Nov 6
|
Mostly Cloudy
|
48°F |
2 mph
SE
|
|
Tonight
Nov 6
|
Mostly Cloudy then Patchy Fog
|
30°F |
1 to 5 mph
SSW
|
|
Saturday
Nov 7
|
Mostly Sunny
|
57°F |
5 to 8 mph
SSW
|
|
Saturday Night
Nov 7
|
Partly Cloudy
|
35°F |
3 mph
WSW
|
|
Sunday
Nov 8
|
Sunny
|
61°F |
2 mph
W
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
40°F |
2 to 6 mph
S
|
|
Monday
Nov 9
|
Sunny
|
64°F |
5 to 8 mph
WSW
|
|
Monday Night
Nov 9
|
Clear
|
35°F |
0 to 3 mph
NNW
|
|
Tuesday
Nov 10
|
Sunny
|
61°F |
2 mph
WNW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
38°F |
2 mph
SSW
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
61°F |
1 to 5 mph
NNW
|
|
Wednesday Night
Nov 11
|
Mostly Clear
|
38°F |
3 mph
N
|
|
Thursday
Nov 12
|
Mostly Sunny
|
57°F |
5 mph
NNW
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
39°F |
3 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Castana.