Weather in Merrillville, United States 🇺🇸
Weather Forecast in Merrillville
In Merrillville right now it is 21°C and clear, feeling like 21°C. Humidity is 73% with winds around 7 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Merrillville range from about 16°C to 29°C. ⚠️ Air Quality Alert issued July 19 at 1:06AM CDT by NWS Chicago IL
Hourly Forecast for Merrillville
14-Day Forecast for Merrillville
Sunny
Sunny
Patchy rain nearby
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Partly Cloudy
Sunny
Additional Forecasts for Merrillville
Air Quality
Historical Weather
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Best Time to Be Outside in Merrillville Tomorrow
There is no good daylight window left in Merrillville today. Tomorrow, the most comfortable window looks like 08:00 to 10:00, when it is around 23°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in Merrillville
What is the temperature in Merrillville right now?
The current temperature in Merrillville is 21°C (70°F), clear (feels like 21°C).
What's the weather like in Merrillville right now?
Conditions in Merrillville right now: Clear, humidity 73%, wind 7 km/h NE.
What is today's forecast for Merrillville?
Today in Merrillville: high 29°C, low 19°C, sunny. Chance of rain: 7%.
What is the 7-day weather forecast for Merrillville?
Daily highs and lows for Merrillville:
- 2026-07-19: 29°C / 19°C
- 2026-07-20: 28°C / 16°C
- 2026-07-21: 28°C / 20°C
- 2026-07-22: 23°C / 15°C
- 2026-07-23: 26°C / 13°C
- 2026-07-24: 25°C / 16°C
- 2026-07-25: 29°C / 17°C
Is it going to rain in Merrillville today?
There is a 7% chance of rain in Merrillville today.
What is the wind speed in Merrillville right now?
Wind in Merrillville is currently 7 km/h (4 mph) from the NE.
What is the UV index in Merrillville right now?
The UV index in Merrillville is currently 0 (low). Sun protection is recommended when the index is 3 or higher.
