Weather StoryAlmanac, microseasons, and the day's weather story.

Fort Atkinson, Wisconsin Weather

Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →

Fort Atkinson weather forecast — hour by hour, 7-day outlook, NOAA radar

Fort Atkinson, WI
Sunday, July 5 at 4:27 PM
81
°
Mostly Clear
Feels like
85°
Humidity
64%
Wind
5 mph
Sunrise
12:22 AM
Sunset
3:37 PM
Fort Atkinson, WI
Hour by hour · 24h
24-Hour ForecastFort Atkinson, WI: 24-hour forecast. Temperatures range from 63 to 83 degrees Fahrenheit.
L 63°H 83°
Fort Atkinson, WI
7-day forecast
  1. Today
    Jul 5
    Heavy Showers
    0.36″
    80°66°
  2. Monday
    Jul 6
    Overcast
    83°63°+3°
  3. Tuesday
    Jul 7
    Overcast
    82°60°-1°
  4. Wednesday
    Jul 8
    Light Drizzle
    15%
    83°66°+1°
  5. Thursday
    Jul 9
    Thunderstorm
    56%
    0.01″
    79°69°-4°
  6. Friday
    Jul 10
    Overcast
    29%
    78°60°-1°
  7. Saturday
    Jul 11
    Overcast
    10%
    79°62°+1°
Fort Atkinson, WI
Anemometer · 24h winds · from true
NESW
From · True
NNE
024° · backing 69°
Direction
NNE
024°
Sustained
5
mph
Gust
9
mph
Peak 24h
18
avg 7
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 7 · pk 18 @ 7:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 158SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 69° from the nne.
Fort Atkinson, WI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
987.6
-0.4 mb in 3h · steady · 29.16 inHg
Now
987.6
mb
3h
-0.4
mb
12h
+1.1
mb
24h
+1.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 986988
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW988.0985.5987.6
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Fort Atkinson, WI
Air quality
34
AQI
Good
+10 in 6h

AQI 34 (Good), driven by Ozone. AQI up 10 over the last 6 hours (gradual rise). Ozone at AQI 42 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
4.8μg/m³
PM 10Good
5μg/m³
NO₂Good
1μg/m³
OzoneDRIVERModerate
89μg/m³
UV IndexModerate
3.9

What's driving it

Ozone × UV × Sky

Ozone at AQI 42 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.

Present
AQI 42
UV peak
3.5 at earlier today
Sky at peak
overcast
Projected peak
AQI 42

PM × Wind × Precip

PM2.5 at 4.8 µg/m³, PM10 at 5.3 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.91
Wind
light
Recent rain
1h in last 6h
Pattern
background
Fort Atkinson, WI
Sky cover · visibility · 24h
Cloud cover
28%
MOSTLY CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
57.1mi
UNLIMITED
58 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
21:27 UTC · Fort Atkinson, WI · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
21:27 UTC · Fort Atkinson, WI · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Fort Atkinson, WI
Satellite · infrared · animated
Fort Atkinson, WI
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Fort Atkinson, WI
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:48 AM
Sunrise
12:22 AM
Daylight
15h 15m
Sunset
3:37 PM
Civil dusk
9:13 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Fort Atkinson, WI
The moon
Waning Gibbous
69% illuminated
Moonrise
11:15 PM
Moonset
11:06 AM
In sign
♓︎ Pisces
Fort Atkinson, WI
Microseason
Jul 1–5

Cicadas claim the afternoon

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Fort Atkinson at a glance

  • Today vs. normal: 12°F above the seasonal normal for this latitude
  • Last frost: May 4 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 53538

16-Day Forecast — Fort Atkinson

  1. Sun81°66°9%
  2. Mon83°63°0%
  3. Tue82°60°0%
  4. Wed83°66°15%
  5. Thu79°69°56%
  6. Fri78°60°29%
  7. Sat79°62°10%
  8. Sun83°63°10%
  9. Mon75°57°8%
  10. Tue74°54°11%
  11. Wed78°57°13%
  12. Thu80°61°23%
  13. Fri82°64°29%
  14. Sat86°67°29%
  15. Sun87°65°16%
  16. Mon86°69°23%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — Fort Atkinson

SPC includes Fort Atkinson in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWNONENo severe risk
  • DAY 3NONENo severe risk

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

ZIP codes in Fort Atkinson

  • 53538

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.