Clayton County, IA Weather Forecast
County weather hub
Sunny
Compare major city weather across Clayton County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 89. North wind around 9 mph.
County Weather Overview
This county weather page brings together forecast coverage for Clayton County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Clayton County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 18 to Jul 24, 2026
- Latest sync
- Jul 18, 2026 5:38 PM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Clayton County
Monday looks like the warmest upcoming period in Clayton County at 92 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Tuesday at about 9 to 16 mph NW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 18, 2026 5:38 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Areas of smoke after 4am. Partly cloudy. Low around 64, with temperatures rising to around 66 overnight. Northeast wind 2 to 8 mph.
Areas of smoke before 5pm. Mostly sunny, with a high near 85. Southeast wind around 5 mph.
Areas of smoke between 7pm and 2am. Partly cloudy, with a low around 66. Southeast wind 2 to 6 mph. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms likely. Partly sunny, with a high near 92. Southwest wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. West wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
A slight chance of rain showers before 7am. Sunny, with a high near 84. Northwest wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 60. North wind 5 to 14 mph, with gusts as high as 23 mph.
Sunny, with a high near 80. North wind around 6 mph.
Mostly clear, with a low around 58. South wind 1 to 5 mph.
Sunny, with a high near 82. South wind 2 to 6 mph.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 62. South wind around 5 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. South wind 3 to 7 mph. Chance of precipitation is 30%.
A chance of rain showers before 7pm. Partly cloudy, with a low around 63. Southeast wind around 6 mph. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 18
|
Sunny
|
89°F |
9 mph
N
|
|
Tonight
Jul 18
|
Partly Cloudy then Areas Of Smoke
|
64°F |
2 to 8 mph
NE
|
|
Sunday
Jul 19
|
Areas Of Smoke
|
85°F |
5 mph
SE
|
|
Sunday Night
Jul 19
|
Areas Of Smoke
|
66°F |
2 to 6 mph
SE
|
|
Monday
Jul 20
|
Showers And Thunderstorms Likely
|
92°F |
7 to 13 mph
SW
|
|
Monday Night
Jul 20
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
69°F |
8 to 13 mph
W
|
|
Tuesday
Jul 21
|
Slight Chance Rain Showers then Sunny
|
84°F |
9 to 16 mph
NW
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
60°F |
5 to 14 mph
N
|
|
Wednesday
Jul 22
|
Sunny
|
80°F |
6 mph
N
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
58°F |
1 to 5 mph
S
|
|
Thursday
Jul 23
|
Sunny
|
82°F |
2 to 6 mph
S
|
|
Thursday Night
Jul 23
|
Partly Cloudy then Slight Chance Rain Showers
|
62°F |
5 mph
S
|
|
Friday
Jul 24
|
Chance Showers And Thunderstorms
|
84°F |
3 to 7 mph
S
|
|
Friday Night
Jul 24
|
Chance Rain Showers then Partly Cloudy
|
63°F |
6 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across Clayton County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Clayton County.
Largest mapped city population in this region: 1,783.
