Fort Atkinson, IA Weather Forecast

Local 7-day forecast

71°
F

Mostly Cloudy

Track current conditions, temperature changes, wind, and the full daily outlook for Fort Atkinson, IA in one place.

Tuesday, September 15, 2026
Wind: 6 to 9 mph NW
This Afternoon

Mostly cloudy. High near 71, with temperatures falling to around 69 in the afternoon. Northwest wind 6 to 9 mph. New rainfall amounts less than a tenth of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Fort Atkinson, 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 2:31 PM CDT.

The active forecast window currently covers Sep 15 to Sep 21, 2026 for Fort Atkinson, IA.

Page Snapshot

Page focus
city weather
Forecast window
Sep 15 to Sep 21, 2026
Latest sync
Sep 15, 2026 2:31 PM CDT
Forecast office
ARX
Source
NOAA / NWS
Next High
71°F
This Afternoon
Next Low
53°F
Tonight
Rain Outlook
12
Periods mentioning precipitation
Windiest
15 mph
Friday Night

Daily Outlook

Today
Sep 15
Mostly Cloudy
71 °F
/ 53°F
Wind 6 to 9 mph
Wed
Sep 16
Partly Sunny
68 °F
/ 59°F
Wind 5 to 8 mph
Thu
Sep 17
Chance Rain Showers
73 °F
/ 57°F
Wind 3 mph
Fri
Sep 18
Showers And Thunderstorms
71 °F
/ 60°F
Wind 7 to 13 mph
Sat
Sep 19
Showers And Thunderstorms
74 °F
/ 55°F
Wind 10 to 15 mph
Sun
Sep 20
Chance Showers And Thunderstorms
67 °F
/ 50°F
Wind 9 mph
Mon
Sep 21
Slight Chance Showers And Thunderstorms then Mostly Sunny
68 °F
/ 48°F
Wind 7 mph

This Week in Fort Atkinson

Saturday looks like the warmest upcoming period in Fort Atkinson at 74 degrees F.

Monday Night is the coolest period ahead with temperatures near 48 degrees F.

The strongest winds are forecast for Friday Night at about 15 mph S.

Precipitation is mentioned in 12 upcoming forecast periods.

Forecast Details

Last updated
Sep 15, 2026 2:31 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 source

Extended Forecast

Tonight
Sep 15
53°F
Mostly Cloudy
3 mph N

Mostly cloudy, with a low around 53. North wind around 3 mph.

Wednesday
Sep 16
68°F
Partly Sunny
5 to 8 mph E

Partly sunny, with a high near 68. East wind 5 to 8 mph. New rainfall amounts less than a tenth of an inch possible.

Wednesday Night
Sep 16
59°F
Mostly Cloudy then Chance Showers And Thunderstorms
1 to 6 mph SE

A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Southeast wind 1 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday
Sep 17
73°F
Chance Rain Showers
3 mph NE

A chance of rain showers. Mostly cloudy, with a high near 73. Northeast wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Thursday Night
Sep 17
57°F
Showers And Thunderstorms Likely
1 to 7 mph E

A chance of rain showers before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 57. East wind 1 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Friday
Sep 18
71°F
Showers And Thunderstorms
7 to 13 mph SE

Showers and thunderstorms. Mostly cloudy, with a high near 71. Southeast wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

Friday Night
Sep 18
60°F
Showers And Thunderstorms
15 mph S

Showers and thunderstorms. Mostly cloudy, with a low around 60. South wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

Saturday
Sep 19
74°F
Showers And Thunderstorms
10 to 15 mph W

Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 74. West wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

Saturday Night
Sep 19
55°F
Chance Showers And Thunderstorms
7 to 10 mph N

A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. North wind 7 to 10 mph. Chance of precipitation is 30%.

Sunday
Sep 20
67°F
Chance Showers And Thunderstorms
9 mph NE

A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 67. Northeast wind around 9 mph. Chance of precipitation is 30%.

Sunday Night
Sep 20
50°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
3 to 7 mph NE

A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 50. Northeast wind 3 to 7 mph. Chance of precipitation is 20%.

Monday
Sep 21
68°F
Slight Chance Showers And Thunderstorms then Mostly Sunny
7 mph NE

A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 68. Northeast wind around 7 mph. Chance of precipitation is 20%.

Monday Night
Sep 21
48°F
Partly Cloudy
3 mph E

Partly cloudy, with a low around 48. East wind around 3 mph.

Detailed Forecast

Period Conditions Temp Wind
This Afternoon
Sep 15
Mostly Cloudy
71°F
6 to 9 mph
NW
Tonight
Sep 15
Mostly Cloudy
53°F
3 mph
N
Wednesday
Sep 16
Partly Sunny
68°F
5 to 8 mph
E
Wednesday Night
Sep 16
Mostly Cloudy then Chance Showers And Thunderstorms
59°F
1 to 6 mph
SE
Thursday
Sep 17
Chance Rain Showers
73°F
3 mph
NE
Thursday Night
Sep 17
Showers And Thunderstorms Likely
57°F
1 to 7 mph
E
Friday
Sep 18
Showers And Thunderstorms
71°F
7 to 13 mph
SE
Friday Night
Sep 18
Showers And Thunderstorms
60°F
15 mph
S
Saturday
Sep 19
Showers And Thunderstorms
74°F
10 to 15 mph
W
Saturday Night
Sep 19
Chance Showers And Thunderstorms
55°F
7 to 10 mph
N
Sunday
Sep 20
Chance Showers And Thunderstorms
67°F
9 mph
NE
Sunday Night
Sep 20
Mostly Cloudy then Slight Chance Showers And Thunderstorms
50°F
3 to 7 mph
NE
Monday
Sep 21
Slight Chance Showers And Thunderstorms then Mostly Sunny
68°F
7 mph
NE
Monday Night
Sep 21
Partly Cloudy
48°F
3 mph
E
Fort Atkinson Iowa
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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.