Richfield, Wisconsin Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Richfield weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——84°58°—
- FridayJun 5Light Rain72%0.21″74°66°-10°
- SaturdayJun 6Light Drizzle33%—81°63°+7°
- SundayJun 7Overcast——72°54°-9°
- MondayJun 8Heavy Drizzle32%0.16″68°58°-4°
- TuesdayJun 9Showers37%0.46″79°63°+11°
- WednesdayJun 10Showers24%0.44″76°65°-3°
Ozone at AQI 100 — peak already passed at 1 PM under clear skies. AQI up 28 in the last 6 hours — air quality is degrading. 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 100 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 100
- UV peak
- 5.6 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 100
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:33 AM
- Moonset
- 1:44 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Richfield at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Richfield
SPC has placed Richfield in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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.