Green Castle, IA Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Green Castle, IA in one place.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 71. East wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Green Castle, 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: Sep 15, 2026 1:15 PM CDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Green Castle, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 1:15 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Green Castle
Friday looks like the warmest upcoming period in Green Castle at 82 degrees F.
Monday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Friday at about 12 mph SE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 1:15 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DMX
- Radar station
- KDMX
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 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and thunderstorms likely. Mostly cloudy. Low around 64, with temperatures rising to around 66 overnight. East southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 4pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Northeast wind around 3 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 70%.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 80%.
Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 80%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 71. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Mostly sunny, with a high near 70.
Partly cloudy, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Chance Showers And Thunderstorms
|
71°F |
8 mph
E
|
|
Wednesday Night
Sep 16
|
Chance Showers And Thunderstorms
|
64°F |
5 mph
ESE
|
|
Thursday
Sep 17
|
Showers And Thunderstorms Likely
|
80°F |
3 mph
NE
|
|
Thursday Night
Sep 17
|
Chance Showers And Thunderstorms
|
64°F |
5 to 8 mph
E
|
|
Friday
Sep 18
|
Showers And Thunderstorms Likely
|
82°F |
12 mph
SE
|
|
Friday Night
Sep 18
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
67°F |
12 mph
S
|
|
Saturday
Sep 19
|
Showers And Thunderstorms
|
80°F |
10 mph
WSW
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms
|
60°F |
6 to 9 mph
NNW
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
71°F |
9 mph
NNE
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
56°F |
5 to 8 mph
NNE
|
|
Monday
Sep 21
|
Mostly Sunny
|
70°F |
7 mph
NE
|
|
Monday Night
Sep 21
|
Partly Cloudy
|
52°F |
6 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Green Castle.