New York, NY 23° Los Angeles, CA 31° Chicago, IL 38° Houston, TX 35° Miami, FL 30° Phoenix, AZ 39° Seattle, WA 20° Denver, CO 30° Toronto, ON 24° Vancouver, BC 17°
WeatherLive › Indiana › Merrillville

Merrillville, IN Weather (46410)

ZIP codes: 46410 · 46411
Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherMerrillville · 3:07 PM CDT
37° | 24°
36°C
Feels like 40°
Sunny
WindSW 11 mph · Gusts 17 mph
Precip5% · –
Humidity43% · Dew point 21°
UV index7 High
Air Quality167 Unhealthy
Pressure29.88 inHg
Visibility6 mi
Sunrise / Sunset6:16 AM · 7:21 PM · 13h 5m

Weather map — Merrillville

Full radar →
Now
36°
2%
11 mph
16:00
36°
2%
11 mph
17:00
32°
2%
10 mph
18:00
33°
3%
7 mph
19:00
31°
4%
5 mph
20:00
29°
10%
7 mph
21:00
28°
13%
14 mph
22:00
27°
4%
8 mph
23:00
27°
4%
10 mph
00:00
25°
17%
9 mph
01:00
27°
16%
9 mph
02:00
28°
6%
8 mph
03:00
28°
8%
10 mph
04:00
28°
13%
9 mph
05:00
28°
13%
7 mph
06:00
27°
24%
5 mph
07:00
24°
27%
5 mph
08:00
25°
48%
5 mph
09:00
25°
0.03 in
1 mph
10:00
27°
33%
4 mph
11:00
27°
33%
9 mph
12:00
28°
10%
7 mph
13:00
31°
17%
9 mph
14:00
32°
11%
8 mph

Today · Wed 9/2

High 37°
5% / –

Sunny. Winds SW at 14 mph.

Tonight · Wed 9/2

Low 24°
13% / –

Mostly cloudy. Winds SW at 14 mph.

Tomorrow · Thu 9/3

32° | 24°
57% / 0.09 in

Showers. Winds SW at 10 mph.

7-day trend

Merrillville · temperature + precipitation

10-day forecast

Updated 3:07 PM

Details & indices

Wind
11 mph SW
Gusts 17 mph
Humidity
43%
Dew point 21°
Pressure
29.88 inHg
Falling
UV index
7 — High
High today
Air Quality
Unhealthy
AQI 167 · 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
Very high
Ragweed
High

Sun & moon

Sunrise6:16 AM
Sunset7:21 PM
Length of day13h 5m
Moonrise9:52 PM
Moonset12:28 PM
Moon phase🌗 Last Quarter · 67%
Next full moonSep 26 Harvest 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
Sunny
36°
Fort Wayne
Sunny
37°
Data sources · Wednesday, September 2
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: 3:07 PM
Weather in Merrillville
Merrillville's outlook: warmest day near 37° (Wednesday), coldest night about 11° (Wednesday). Roughly 0.45 in of rain falls over the period, with Tuesday the most likely wet day (81%). Expect a blustery spell — gusts near 36 mph on Thursday. No watches or warnings are active for the area right now. Right now Merrillville is running about 70° 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: 3:07 PM