Westfield, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Westfield weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast13%—80°67°—
- SundayJul 5Overcast——81°64°+1°
- MondayJul 6Clear——77°59°-4°
- TuesdayJul 7Overcast——82°61°+5°
- WednesdayJul 8Thunderstorm51%0.02″79°67°-3°
- ThursdayJul 9Light Drizzle51%—75°65°-4°
- FridayJul 10Drizzle19%—76°62°+1°
AQI 33 (Good), driven by Ozone. AQI up 6 over the last 6 hours (gradual rise). Ozone at AQI 41. Overcast through the UV peak window (cloud cover ~84%) — afternoon ozone should stay flat.
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. Overcast through the UV peak window (cloud cover ~84%) — afternoon ozone should stay flat.
- Present
- AQI 41
- UV peak
- 4.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 6.4 µg/m³ (AQI 36) with a 0.81 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.81
- 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
- 10:58 PM
- Moonset
- 10:00 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Westfield at a glance
- Today vs. normal: 11°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 code: 53964
16-Day Forecast — Westfield
- Sat80°67°13%
- Sun81°64°5%
- Mon77°59°1%
- Tue82°61°3%
- Wed79°67°51%
- Thu75°65°51%
- Fri76°62°19%
- Sat76°59°10%
- Sun78°55°10%
- Mon75°54°10%
- Tue82°61°8%
- Wed79°64°20%
- Thu82°62°23%
- Fri80°64°24%
- Sat71°61°23%
- Sun77°53°20%
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 — Westfield
SPC includes Westfield 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 Westfield
- 53964