French Island, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
French Island weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy15%—82°68°—
- SundayJul 5Overcast13%—81°68°-1°
- MondayJul 6Clear——80°64°-1°
- TuesdayJul 7Overcast——83°62°+3°
- WednesdayJul 8T-storm w/ Hail51%0.08″80°67°-3°
- ThursdayJul 9Overcast51%—78°60°-2°
- FridayJul 10Light Drizzle11%—76°63°-2°
AQI 32 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 10.6 µg/m³ (AQI 54) with a 0.78 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
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 41 now. With UV 6.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 26 around 1 PM.
- Present
- AQI 41
- UV peak
- 6.7 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 26
PM × Wind × Precip
PM2.5 at 10.6 µg/m³ (AQI 54) with a 0.78 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.78
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:05 PM
- Moonset
- 10:07 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
French Island at a glance
- Today vs. normal: 12°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.
16-Day Forecast — French Island
- Sat82°68°15%
- Sun81°68°13%
- Mon80°64°2%
- Tue83°62°7%
- Wed80°67°51%
- Thu78°60°51%
- Fri76°63°11%
- Sat76°59°9%
- Sun77°54°11%
- Mon77°55°9%
- Tue81°61°7%
- Wed79°64°19%
- Thu82°62°19%
- Fri82°66°23%
- Sat72°60°35%
- Sun77°55°26%
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 — French Island
SPC includes French Island in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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 French Island
- 54603