Hartz Lake, Indiana Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Hartz Lake weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Showers52%0.35″86°71°—
- SundayJul 5Heavy Rain38%1.7″82°69°-4°
- MondayJul 6Clear12%—78°61°-4°
- TuesdayJul 7Mostly Clear——80°60°+2°
- WednesdayJul 8Light Drizzle——82°63°+2°
- ThursdayJul 9Drizzle29%0.11″75°63°-7°
- FridayJul 10Overcast31%—80°61°+5°
AQI 35 (Good), driven by Ozone. AQI down 10 over the last 6 hours (gradual decline). Ozone at AQI 34 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 15 around 1 PM.
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 34 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 15 around 1 PM.
- Present
- AQI 34
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 15
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
- 10:42 PM
- Moonset
- 9:50 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Hartz Lake at a glance
- Today vs. normal: 71°F — typical for the season
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — Hartz Lake
- Sat86°71°52%
- Sun82°69°38%
- Mon78°61°12%
- Tue80°60°5%
- Wed82°63°8%
- Thu75°63°29%
- Fri80°61°31%
- Sat84°65°21%
- Sun78°63°9%
- Mon86°65°13%
- Tue71°62°12%
- Wed76°60°14%
- Thu78°59°33%
- Fri80°67°26%
- Sat76°61°14%
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 — Hartz Lake
SPC has placed Hartz Lake in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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.
ZIP codes in Hartz Lake
- 46960