Weather StoryAlmanac, microseasons, and the day's weather story.

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

Merriam, IN
Monday, June 15 at 7:24 AM
51
°
Clear
Feels like
49°
Humidity
82%
Wind
4 mph
Sunrise
2:08 AM
Sunset
5:16 PM
Merriam, IN
Hour by hour · 24h
24-Hour ForecastMerriam, IN: 24-hour forecast. Temperatures range from 50 to 73 degrees Fahrenheit.
L 50°H 73°
Merriam, IN
7-day forecast
  1. Today
    Jun 15
    Overcast
    73°50°
  2. Tuesday
    Jun 16
    Rain
    75%
    0.39″
    78°56°+5°
  3. Wednesday
    Jun 17
    T-storm w/ Hail
    91%
    1.2″
    73°50°-5°
  4. Thursday
    Jun 18
    Thunderstorm
    91%
    72°53°-1°
  5. Friday
    Jun 19
    Light Drizzle
    65°51°-7°
  6. Saturday
    Jun 20
    Drizzle
    13%
    0.11″
    64°49°-1°
  7. Sunday
    Jun 21
    Heavy Drizzle
    33%
    0.34″
    61°57°-3°
Merriam, IN
Anemometer · 24h winds · from true
NESW
From · True
WNW
294° · veering 100°
Direction
WNW
294°
Sustained
4
mph
Gust
8
mph
Peak 24h
28
avg 10
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 10 · pk 28 @ 1:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 178SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 100° from the wnw.
Merriam, IN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
980.8
+0.2 mb in 3h · steady · 28.96 inHg
Now
980.8
mb
3h
+0.2
mb
12h
+3.0
mb
24h
+6.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 974981
965970975980985-21h-18h-15h-12h-9h-6h-3h-24hNOW980.7973.9980.7
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Merriam, IN
Air quality
33
AQI
Good
0 in 6h

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.

PM 2.5DRIVERGood
8.1μg/m³
PM 10Good
8μg/m³
NO₂Good
9μg/m³
OzoneGood
26μg/m³
UV IndexLow
0.1

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
Merriam, IN
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
34.0mi
UNLIMITED
67 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
11:24 UTC · Merriam, IN · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
11:24 UTC · Merriam, IN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Merriam, IN
Satellite · infrared · animated
Merriam, IN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Merriam, IN
Almanac · Monday, June 15
A summer fog for fair, a winter fog for rain.
Civil dawn
5:35 AM
Sunrise
2:08 AM
Daylight
15h 08m
Sunset
5:16 PM
Civil dusk
9:51 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
Merriam, IN
The moon
New Moon
0% illuminated
Moonrise
6:08 AM
Moonset
9:33 PM
In sign
♊︎ Gemini
Merriam, IN
Microseason
Jun 11–15

Solstice approaches — longest light

cultural
Jan 145% of the yearDec 31

Read this microseason across nine climate regions →

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

  1. Mon73°50°0%
  2. Tue78°56°75%
  3. Wed73°50°91%
  4. Thu72°53°91%
  5. Fri65°51°6%
  6. Sat64°49°13%
  7. Sun61°57°33%
  8. Mon70°51°33%
  9. Tue72°54°16%
  10. Wed77°55°14%
  11. Thu79°61°12%
  12. Fri78°65°40%
  13. Sat82°62°24%
  14. Sun87°72°32%
  15. 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

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.