Tustin, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Tustin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——81°69°—
- SundayJul 5Overcast13%—81°63°0°
- MondayJul 6Mostly Clear——80°60°-1°
- TuesdayJul 7Overcast——81°56°+1°
- WednesdayJul 8Thunderstorm49%0.11″79°64°-2°
- ThursdayJul 9Light Showers55%0.02″75°60°-4°
- FridayJul 10Overcast16%—79°57°+4°
AQI 25 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 34 now. With UV 4.9 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 16 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 34 now. With UV 4.9 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 16 around 1 PM.
- Present
- AQI 34
- UV peak
- 4.9 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 16
PM × Wind × Precip
PM2.5 at 5.9 µg/m³, PM10 at 7.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.84
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 10:56 PM
- Moonset
- 9:57 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Tustin at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: May 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Tustin
- Sat81°69°7%
- Sun81°63°13%
- Mon80°60°0%
- Tue81°56°3%
- Wed79°64°49%
- Thu75°60°55%
- Fri79°57°16%
- Sat82°63°10%
- Sun69°58°10%
- Mon79°56°10%
- Tue78°59°8%
- Wed78°60°19%
- Thu82°69°8%
- Fri85°67°16%
- Sat82°67°23%
- Sun86°69°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 — Tustin
SPC includes Tustin 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 Tustin
- 54940