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
- TodayJul 5Heavy Showers—0.36″80°66°—
- MondayJul 6Overcast——83°63°+3°
- TuesdayJul 7Overcast——82°60°-1°
- WednesdayJul 8Light Drizzle15%—83°66°+1°
- ThursdayJul 9Thunderstorm56%0.01″79°69°-4°
- FridayJul 10Overcast29%—78°60°-1°
- SaturdayJul 11Overcast10%—79°62°+1°
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.
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
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:15 PM
- Moonset
- 11:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
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
- Sun81°66°9%
- Mon83°63°0%
- Tue82°60°0%
- Wed83°66°15%
- Thu79°69°56%
- Fri78°60°29%
- Sat79°62°10%
- Sun83°63°10%
- Mon75°57°8%
- Tue74°54°11%
- Wed78°57°13%
- Thu80°61°23%
- Fri82°64°29%
- Sat86°67°29%
- Sun87°65°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