Fennimore, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Fennimore weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle26%0.01″83°67°—
- SundayJul 5Foggy27%—81°67°-2°
- MondayJul 6Clear——79°63°-2°
- TuesdayJul 7Overcast——81°61°+2°
- WednesdayJul 8Thunderstorm38%1.1″80°62°-1°
- ThursdayJul 9Light Showers41%—74°66°-6°
- FridayJul 10Overcast13%—78°60°+4°
AQI 31 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 9.1 µg/m³ (AQI 51) with a 0.74 fine-to-coarse ratio and 2 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 35. Overcast through the UV peak window (cloud cover ~87%) — afternoon ozone should stay flat.
- Present
- AQI 35
- UV peak
- 5.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 13
PM × Wind × Precip
PM2.5 at 9.1 µg/m³ (AQI 51) with a 0.74 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.74
- Wind
- calm
- 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
- 11:01 PM
- Moonset
- 10:05 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Fennimore at a glance
- Today vs. normal: 8°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: 53809
16-Day Forecast — Fennimore
- Sat83°67°26%
- Sun81°67°27%
- Mon79°63°1%
- Tue81°61°2%
- Wed80°62°38%
- Thu74°66°41%
- Fri78°60°13%
- Sat82°62°9%
- Sun68°57°11%
- Mon75°53°9%
- Tue78°60°9%
- Wed79°61°19%
- Thu80°66°13%
- Fri82°66°23%
- Sat85°68°26%
- Sun84°70°32%
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 — Fennimore
SPC includes Fennimore 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 Fennimore
- 53809