Indiana · NWS LOT office

Portage, IN weather

It is 57°F and cloudy at Gary Regional Airport as of Oct 28, 3:55 AM CDT. Overnight: Mostly Cloudy, low near 51°F, 2% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 3:35 AM CDT.

Updated Oct 28, 4:23 AM CDT (snapshot)

Current conditions

Temperature

57°F

Cloudy

Wind

S 5 mph

Humidity 100% · dew point 57°F

Pressure · visibility

30.21 inHg

Visibility 10 mi

Observed at Gary Regional Airport (KGYY), Oct 28, 3:55 AM CDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Portage forecast zone right now.

Around the NWS LOT forecast area

No active alerts in zones served by the LOT office near Portage.

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. Indiana has 2 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Portage (local time)
TimeTempForecastPrecip. chanceWind
Wed 4 AM54°FMostly Cloudy2%S 5 mph
Wed 5 AM54°FMostly Cloudy2% 0 mph
Wed 6 AM53°FMostly Sunny1% 0 mph
Wed 7 AM52°FMostly Sunny1%S 5 mph
Wed 8 AM54°FMostly Sunny1%S 5 mph
Wed 9 AM58°FSunny1%S 5 mph
Wed 10 AM62°FSunny1%S 5 mph
Wed 11 AM65°FSunny1%S 10 mph
Wed 12 PM68°FSunny0%S 10 mph
Wed 1 PM71°FSunny1%S 10 mph
Wed 2 PM72°FSunny0%S 10 mph
Wed 3 PM73°FSunny0%S 10 mph
Wed 4 PM73°FSunny1%S 10 mph
Wed 5 PM71°FSunny1%S 10 mph
Wed 6 PM68°FMostly Clear1%S 10 mph
Wed 7 PM65°FMostly Clear1%S 5 mph
Wed 8 PM63°FMostly Clear1%S 10 mph
Wed 9 PM62°FMostly Clear1%S 10 mph
Wed 10 PM61°FMostly Clear1%S 10 mph
Wed 11 PM60°FMostly Clear1%S 10 mph
Thu 12 AM60°FMostly Clear1%S 10 mph
Thu 1 AM60°FMostly Clear1%S 10 mph
Thu 2 AM60°FMostly Clear2%S 10 mph
Thu 3 AM59°FPartly Cloudy3%SSW 10 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Portage can differ.

7-day forecast

Overnight

Low 51°F

Mostly cloudy, with a low around 51. South wind 0 to 5 mph.

Wednesday

High 73°F·Low 58°F

Sunny. High near 73, with temperatures falling to around 71 in the afternoon. South wind 0 to 10 mph.

Wednesday Night: Partly cloudy, with a low around 58. South wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday

High 69°F·Low 48°F

A chance of rain showers between 7am and 3pm. Partly sunny, with a high near 69. West southwest wind 5 to 15 mph. Chance of precipitation is 40%.

Thursday Night: Mostly clear, with a low around 48. North wind around 5 mph, with gusts as high as 10 mph.

Friday

High 63°F·Low 51°F

Mostly sunny, with a high near 63.

Friday Night: A chance of rain showers after 7pm. Mostly cloudy, with a low around 51.

Saturday

High 62°F·Low 50°F

A chance of rain showers. Mostly cloudy, with a high near 62.

Saturday Night: A slight chance of rain showers. Mostly cloudy, with a low around 50.

Sunday

High 68°F·Low 52°F

A chance of rain showers. Mostly cloudy, with a high near 68.

Sunday Night: A chance of rain showers. Mostly cloudy, with a low around 52.

Monday

High 67°F·Low 53°F

A chance of rain showers. Partly sunny, with a high near 67.

Monday Night: A chance of rain showers. Mostly cloudy, with a low around 53.

Tuesday

High 67°F

A chance of rain showers. Mostly cloudy, with a high near 67.

Nearby cities

Larger cities in the area

Other cities in Porter County

See every city we cover in Indiana, or check all active alerts.

About this forecast

Forecast office
Portage is served by the National Weather Service LOT forecast office, forecast zone INZ002, county zone INC127.
Location used
The Census Bureau's internal point for Portage (41.5916, -87.1789), in Porter County. Population: 38,576 (2024 estimate), number 24 of the 48 Indiana cities on this site.
Radar
Nearest NWS radar: KLOT. View it on radar.weather.gov.

On Amazon

Weather-ready picks

As an Amazon Associate I earn from qualifying purchases.

Home & kitchen LEVOIT Air Purifier An air purifier for smoky or high-pollen days indoors. View on Amazon → Men’s fashion Hanes Fleece Hooded Sweatshirt A warm hoodie for chilly mornings. View on Amazon → Fitness & outdoors Stanley Quencher H2.0 Tumbler A big tumbler for long commutes and outdoor days. View on Amazon → Fitness & outdoors LifeStraw Personal Water Filter A personal water filter worth adding to an emergency kit. View on Amazon →

Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/41.5916,-87.1789 (forecast issued Oct 28, 3:35 AM CDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

More Indiana cities