New York, NY 78° Los Angeles, CA 66° Chicago, IL 66° Houston, TX 78° Miami, FL 83° Phoenix, AZ 86° Seattle, WA 59° Denver, CO 74° Toronto, ON 62° Vancouver, BC 61°
WeatherLiveIndianaMerrillville

Merrillville, IN Weather (46410)

ZIP codes: 46410 · 46411
Current WeatherMerrillville · 10:57 AM CDT
76° | 56°
67°F
Feels like 65°
Sunny
WindNW 7 mph · Gusts 11 mph
Precip8% · –
Humidity70% · Dew point 57°
UV index8 High
Air Quality35 Good
Pressure30.06 inHg
Visibility6 mi
Sunrise / Sunset6:07 AM · 7:35 PM · 13h 28m

Weather map — Merrillville

Full radar →
Now
67°
6%
7 mph
11:00
72°
3%
5 mph
12:00
73°
3%
8 mph
13:00
74°
2%
8 mph
14:00
75°
1%
7 mph
15:00
76°
10%
7 mph
16:00
76°
11%
8 mph
17:00
69°
14%
7 mph
18:00
66°
15%
6 mph
19:00
65°
17%
5 mph
20:00
64°
17%
4 mph
21:00
64°
11%
4 mph
22:00
62°
7%
4 mph
23:00
60°
6%
3 mph
00:00
60°
8%
2 mph
01:00
59°
7%
2 mph
02:00
59°
11%
3 mph
03:00
58°
22%
3 mph
04:00
58°
22%
3 mph
05:00
57°
9%
3 mph
06:00
57°
9%
4 mph
07:00
58°
23%
4 mph
08:00
61°
5%
4 mph
09:00
64°
3%
3 mph

Today · Mon 8/24

High 76°
8% / –

Sunny. Winds N at 8 mph.

Tonight · Mon 8/24

Low 57°
11% / –

Mostly cloudy. Winds E at 4 mph.

Tomorrow · Tue 8/25

74° | 57°
10% / –

Mostly cloudy. Winds S at 8 mph.

7-day trend

Merrillville · temperature + precipitation

10-day forecast

Updated 10:57 AM

Details & indices

Wind
7 mph NW
Gusts 11 mph
Humidity
70%
Dew point 57°
Pressure
30.06 inHg
Rising
UV index
8 — High
High today
Air Quality
Good
AQI 35 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Merrillville

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
High
Ragweed
Moderate

Sun & moon

Sunrise6:07 AM
Sunset7:35 PM
Length of day13h 28m
Moonrise6:00 PM
Moonset2:12 AM
Next full moonAug 27 Sturgeon Moon
Latitude41.4828°N
Longitude-87.3328°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Indianapolis
Fort Wayne
Sunny
65°
Data sources · Monday, August 24
Where the Merrillville forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 41.4828°N, -87.3328°.
NBM + global weather models
Updated: 10:57 AM
Weather in Merrillville
Merrillville's outlook: warmest day near 81° (Tuesday), coldest night about 56° (Monday). Roughly 2.8 in of rain falls over the period, with Sunday the most likely wet day (93%). Expect a blustery spell — gusts near 33 mph on Sunday. No watches or warnings are active for the area right now. Right now Merrillville is running about 11° warmer than Milwaukee. Longer view: variable mid-latitude weather in every season.
Merrillville, IN · Elev 656 ft · 41.48°N, 87.33°W · Indiana · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 10:57 AM