Weather Merrillville today

sunrise 5:27 am
sunset 8:04 pm

HOURLY

Weather forecast Merrillville May 17, 2026

During the day morning cloudy, later morning overcast, in the afternoon initially overcast, later partly cloudy. The highest temperature 28 °C. Total rainfall 0.3 mm. At night clear. The lowest temperature 20 °C.

Interactive map weather Indiana, USA

GPS: 41.4828; -87.3328

altitude: 203 m
local time:

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Weather forecast Merrillville, Indiana, USA extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Sunday 05/17/2026
12 AM 1 AM	cloudy	18 °C 20 °C	0.0 mm	3.1 m/s 11 km/h south	1013 hPa	96 %	17 °C	53 %	0%	0%	0%	53%
1 AM 2 AM	partly cloudy	17 °C 19 °C	0.0 mm	3.1 m/s 11 km/h south	1013 hPa	97 %	16 °C	34 %	0%	0%	0%	34%
2 AM 3 AM	cloudy	16 °C 17 °C	0.0 mm	2.7 m/s 10 km/h south	1014 hPa	97 %	16 °C	53 %	0%	0%	0%	53%
3 AM 4 AM	cloudy	16 °C 17 °C	0.0 mm	2.8 m/s 10 km/h south	1014 hPa	98 %	15 °C	46 %	0%	0%	0%	46%
4 AM 5 AM	cloudy	16 °C 17 °C	0.0 mm	3.0 m/s 11 km/h south-southeast	1014 hPa	99 %	15 °C	44 %	0%	2%	0%	43%
5 AM 6 AM	fog	16 °C 17 °C	0.0 mm	2.7 m/s 10 km/h south-southeast	1013 hPa	99 %	15 °C	78 %	33%	55%	0%	50%
6 AM 7 AM	fog	16 °C 17 °C	0.0 mm	2.7 m/s 10 km/h southeast	1014 hPa	99 %	15 °C	100 %	43%	100%	0%	50%
7 AM 8 AM	fog	17 °C 19 °C	0.0 mm	3.5 m/s 13 km/h southeast	1015 hPa	99 %	16 °C	100 %	82%	100%	0%	62%
8 AM 9 AM	fog	19 °C 21 °C	0.0 mm	4.1 m/s 15 km/h southeast	1015 hPa	95 %	17 °C	100 %	32%	100%	8%	57%
9 AM 10 AM	fog	20 °C 22 °C	0.0 mm	4.7 m/s 17 km/h southeast	1015 hPa	89 %	18 °C	100 %	26%	100%	13%	17%
10 AM 11 AM	overcast	22 °C 24 °C	0.0 mm	5.7 m/s 21 km/h south-southeast	1015 hPa	81 %	18 °C	87 %	1%	74%	0%	53%
11 AM 12 PM	overcast	24 °C 26 °C	0.0 mm	5.8 m/s 21 km/h south-southeast	1014 hPa	72 %	19 °C	100 %	0%	100%	15%	39%
12 PM 1 PM	cloudy	26 °C 28 °C	0.0 mm	5.3 m/s 19 km/h south-southeast	1014 hPa	65 %	18 °C	83 %	0%	9%	74%	30%
1 PM 2 PM	overcast	26 °C 28 °C	0.0 mm	5.7 m/s 21 km/h south-southeast	1013 hPa	62 %	18 °C	89 %	0%	19%	36%	82%
2 PM 3 PM	light rain showers	28 °C 30 °C	0.1 mm	6.1 m/s 22 km/h south-southeast	1013 hPa	58 %	18 °C	77 %	0%	11%	13%	71%
3 PM 4 PM	overcast	26 °C 28 °C	0.0 mm	7.2 m/s 26 km/h south	1013 hPa	63 %	18 °C	95 %	0%	26%	36%	92%
4 PM 5 PM	overcast	26 °C 28 °C	0.0 mm	4.9 m/s 18 km/h south-southeast	1012 hPa	65 %	19 °C	99 %	0%	0%	64%	99%
5 PM 6 PM	overcast	27 °C 29 °C	0.0 mm	6.1 m/s 22 km/h south-southeast	1011 hPa	60 %	18 °C	100 %	0%	14%	100%	96%
6 PM 7 PM	overcast	26 °C 28 °C	0.0 mm	6.4 m/s 23 km/h south	1011 hPa	62 %	18 °C	86 %	0%	1%	70%	78%
7 PM 8 PM	overcast	26 °C 28 °C	0.0 mm	7.3 m/s 26 km/h south	1010 hPa	64 %	18 °C	93 %	0%	0%	89%	89%
8 PM 9 PM	cloudy	25 °C 26 °C	0.0 mm	7.1 m/s 26 km/h south	1010 hPa	65 %	17 °C	82 %	0%	0%	58%	80%
9 PM 10 PM	cloudy	24 °C 25 °C	0.0 mm	6.8 m/s 24 km/h south	1011 hPa	68 %	17 °C	40 %	0%	0%	35%	20%
10 PM 11 PM	partly cloudy	23 °C 24 °C	0.0 mm	6.9 m/s 25 km/h south	1011 hPa	71 %	17 °C	28 %	0%	0%	28%	0%
11 PM 12 AM	clear	23 °C 24 °C	0.0 mm	7.4 m/s 27 km/h south	1012 hPa	70 %	17 °C	0 %	0%	0%	0%	0%
Monday 05/18/2026
12 AM 1 AM	clear	22 °C 23 °C	0.0 mm	6.8 m/s 24 km/h south	1012 hPa	72 %	16 °C	0 %	0%	0%	0%	0%
1 AM 2 AM	clear	21 °C 22 °C	0.0 mm	6.2 m/s 22 km/h south	1012 hPa	74 %	16 °C	0 %	0%	0%	0%	0%
7 AM 8 AM	rain showers	21 °C 22 °C	1.9 mm	4.5 m/s 16 km/h south	1012 hPa	69 %	15 °C	56 %	0%	0%	0%	56%
1 PM 2 PM	light rain	27 °C 30 °C	0.5 mm	5.3 m/s 19 km/h south	1012 hPa	66 %	20 °C	96 %	0%	15%	1%	96%
7 PM 8 PM	overcast	23 °C 26 °C	0.0 mm	7.4 m/s 27 km/h south	1010 hPa	87 %	20 °C	99 %	0%	3%	3%	99%

Merrillville, Indiana, USA - information

State: Indiana, USA

GPS coordinates: 41.4828; -87.3328

Time zone: America / Chicago time difference in hours with time in US is -7 hours

Population: 35 224
Altitude: 203 m
The administrative part:

Indiana, Indianapolis
Lake County, Crown Point

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Weather Merrillville, Indiana, USA. Weather forecast Merrillville.

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Data source

Weather forecast for Merrillville is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Astronomical information Merrillville

data are always in the local time

Sun and light

May 17, 2026

Sunrise:	Sunset:
5:27 am	8:04 pm
Noon:	Length of day:
12:45 pm	14:36
Start of civil twilight*:	End of civil twilight*:
4:55 am	8:36 pm
Start of nautical twilight*:	End of nautical twilight*:
4:16 am	9:15 pm
Start of astronomical twilight*:	End of astronomical twilight*:
3:32 am	10 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
05/17/2026 5:36 am	05/17/2026 9:49 pm
Next new moon:	Next full moon:
06/14/2026	05/31/2026