Hayward, Wisconsin Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Hayward weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy33%—80°61°—
- SundayJul 5Overcast——83°60°+3°
- MondayJul 6Overcast——87°62°+4°
- TuesdayJul 7Thunderstorm46%0.05″79°64°-8°
- WednesdayJul 8Heavy Showers65%1.6″77°59°-2°
- ThursdayJul 9Light Drizzle51%—83°55°+6°
- FridayJul 10Foggy15%—68°54°-15°
AQI 34 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.0 µg/m³ (AQI 39) with a 0.95 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
PM × Wind × Precip
PM2.5 at 7.0 µg/m³ (AQI 39) with a 0.95 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.95
- 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
- 11:29 PM
- Moonset
- 11:16 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Hayward at a glance
- Today vs. normal: 67°F — typical for the season
- Last frost: May 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 54843
16-Day Forecast — Hayward
- Sat80°61°33%
- Sun83°61°8%
- Mon87°62°7%
- Tue79°64°46%
- Wed77°59°65%
- Thu83°55°51%
- Fri68°54°15%
- Sat80°51°13%
- Sun78°55°13%
- Mon82°62°8%
- Tue84°56°9%
- Wed85°59°10%
- Thu83°63°13%
- Fri77°63°16%
- Sat86°56°19%
- Sun75°57°17%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Hayward
SPC includes Hayward 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 Hayward
- 54843