Fond du Lac, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Fond du Lac weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast11%—82°69°—
- SundayJul 5Overcast——82°65°0°
- MondayJul 6Mostly Clear——79°60°-3°
- TuesdayJul 7Overcast——80°55°+1°
- WednesdayJul 8Thunderstorm42%0.69″81°62°+1°
- ThursdayJul 9Showers46%0.15″71°60°-10°
- FridayJul 10Overcast20%—77°57°+6°
AQI 26 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 39 now. With UV 4.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 22 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 39 now. With UV 4.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 22 around 1 PM.
- Present
- AQI 39
- UV peak
- 4.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 22
PM × Wind × Precip
PM2.5 at 5.1 µg/m³, PM10 at 6.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.84
- Wind
- breezy
- Recent rain
- 0h 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
- 10:54 PM
- Moonset
- 9:55 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Fond du Lac at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: May 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 54935, 54937
16-Day Forecast — Fond du Lac
- Sat82°69°11%
- Sun82°65°6%
- Mon79°60°1%
- Tue80°55°3%
- Wed81°62°42%
- Thu71°60°46%
- Fri77°57°20%
- Sat82°62°10%
- Sun68°57°10%
- Mon75°57°9%
- Tue76°59°9%
- Wed79°61°19%
- Thu82°66°10%
- Fri85°67°17%
- Sat82°68°23%
- Sun86°67°23%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 — Fond du Lac
SPC includes Fond du Lac 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 Fond du Lac
- 54937
- 54935
- 54936