Gary, Indiana Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Gary weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——87°58°—
- FridayJun 5Heavy Showers39%0.89″83°68°-4°
- SaturdayJun 6Showers66%—83°68°0°
- SundayJun 7Showers18%—81°69°-2°
- MondayJun 8Showers37%0.16″72°67°-9°
- TuesdayJun 9Light Showers38%—89°69°+17°
- WednesdayJun 10Drizzle30%0.01″87°66°-2°
Ozone at AQI 120 now. AQI up 17 in the last 6 hours — air quality is degrading. With UV 7.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 83 by mid-afternoon.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 120 now. With UV 7.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 83 by mid-afternoon.
- Present
- AQI 120
- UV peak
- 7.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 83
PM × Wind × Precip
PM2.5 at 5.1 µg/m³, PM10 at 6.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.84
- Wind
- breezy
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:24 AM
- Moonset
- 1:46 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Gary at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 26 (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 — Gary
SPC has placed Gary in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- 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.