Charter Oak, IA Weather Forecast
Local 7-day forecast
Chance Rain Showers then Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Charter Oak, IA in one place.
A chance of rain showers before noon. Mostly cloudy, with a high near 68. East southeast wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Charter Oak, 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 1:38 PM CDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Charter Oak, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 1:38 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Charter Oak
Friday looks like the warmest upcoming period in Charter Oak at 81 degrees F.
Monday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Friday at about 13 mph SSE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 1:38 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DMX
- 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 showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy. Low around 60, with temperatures rising to around 64 overnight. Southeast wind 1 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a high near 77. East northeast wind 2 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 80%.
Showers and thunderstorms likely before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms. Partly sunny, with a high near 67.
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 52.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Chance Rain Showers then Mostly Cloudy
|
68°F |
6 to 10 mph
ESE
|
|
Wednesday Night
Sep 16
|
Slight Chance Showers And Thunderstorms
|
60°F |
1 to 6 mph
SE
|
|
Thursday
Sep 17
|
Showers And Thunderstorms Likely
|
77°F |
2 to 6 mph
ENE
|
|
Thursday Night
Sep 17
|
Chance Showers And Thunderstorms
|
63°F |
6 to 9 mph
E
|
|
Friday
Sep 18
|
Showers And Thunderstorms Likely
|
81°F |
13 mph
SSE
|
|
Friday Night
Sep 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
64°F |
8 to 12 mph
SSW
|
|
Saturday
Sep 19
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
75°F |
9 mph
WNW
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
56°F |
5 to 8 mph
N
|
|
Sunday
Sep 20
|
Slight Chance Showers And Thunderstorms
|
67°F |
5 to 8 mph
N
|
|
Sunday Night
Sep 20
|
Slight Chance Rain Showers then Partly Cloudy
|
52°F |
2 to 6 mph
NE
|
|
Monday
Sep 21
|
Mostly Sunny
|
67°F |
2 to 6 mph
ENE
|
|
Monday Night
Sep 21
|
Partly Cloudy
|
50°F |
3 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Charter Oak.