Lynn, Indiana Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Lynn weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Drizzle47%0.01″83°69°—
- MondayJul 6Foggy25%—80°69°-3°
- TuesdayJul 7Overcast13%—80°66°0°
- WednesdayJul 8Overcast10%—83°62°+3°
- ThursdayJul 9T-storm w/ Hail38%—83°66°0°
- FridayJul 10Light Showers62%0.07″77°67°-6°
- SaturdayJul 11T-storm w/ Hail41%—81°66°+4°
AQI 40 (Good), driven by Ozone. AQI up 7 over the last 6 hours (gradual rise). Ozone at AQI 48 — peak already passed at 1 PM under overcast skies. 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 48 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 48
- UV peak
- 1.7 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 48
PM × Wind × Precip
PM2.5 at 6.0 µg/m³, PM10 at 6.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.88
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:57 PM
- Moonset
- 11:51 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Lynn at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 47355
16-Day Forecast — Lynn
- Sun83°69°47%
- Mon80°69°25%
- Tue80°66°13%
- Wed83°62°10%
- Thu83°66°38%
- Fri77°67°62%
- Sat81°66°41%
- Sun78°68°16%
- Mon75°58°12%
- Tue70°52°8%
- Wed76°56°10%
- Thu78°60°20%
- Fri81°62°32%
- Sat81°64°39%
- Sun81°65°30%
- Mon80°66°33%
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 — Lynn
SPC includes Lynn in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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 Lynn
- 47355