Merriam, Indiana Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Merriam weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——73°50°—
- TuesdayJun 16Rain75%0.39″78°56°+5°
- WednesdayJun 17T-storm w/ Hail91%1.2″73°50°-5°
- ThursdayJun 18Thunderstorm91%—72°53°-1°
- FridayJun 19Light Drizzle——65°51°-7°
- SaturdayJun 20Drizzle13%0.11″64°49°-1°
- SundayJun 21Heavy Drizzle33%0.34″61°57°-3°
AQI 33 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.1 µg/m³ (AQI 45) with a 0.98 fine-to-coarse ratio and 4 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 8.1 µg/m³ (AQI 45) with a 0.98 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.98
- Wind
- calm
- 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).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:08 AM
- Moonset
- 9:33 PM
- In sign
- ♊︎ Gemini
Solstice approaches — longest light
Merriam at a glance
- Today vs. normal: 23°F below the seasonal normal for this latitude
- Last frost: April 24 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Merriam
- Mon73°50°0%
- Tue78°56°75%
- Wed73°50°91%
- Thu72°53°91%
- Fri65°51°6%
- Sat64°49°13%
- Sun61°57°33%
- Mon70°51°33%
- Tue72°54°16%
- Wed77°55°14%
- Thu79°61°12%
- Fri78°65°40%
- Sat82°62°24%
- Sun87°72°32%
- Mon88°70°36%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 — Merriam
SPC has placed Merriam in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWMRGLMarginal Risk
- DAY 3SLGTSlight Risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Merriam
- 46723
- 46701