See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
32°
Partly Cloudy
Feels Like: 24°
Min: 18°
Max: 32°
The next few hours will be overcast, with today reaching 32°C and dropping to 19°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:35
Sunrise
18:51
Sunset
Moon
Waxing Crescent
11:29
Moonrise
20:21
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Portage.
Resources
UV Index
Humidity
Weather in Portage today, September 15, 2026
Portage stays under cloudy skies on September 15, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open.
Expect highs of 32°C and cooler readings close to 18°C. Relative humidity sits between 45% and 84%, reaching its peak around 23:00. Winds stay light, near 4.9 km/h by 16:00, so the day feels still more than breezy.
Afternoon skies stay clogged, peaking close to 100% near 21:00. The grey theme continues rather than clearing out. Visibility holds near 15.1 km, though it can fall to 7.1 km. The sun rises at 06:35 and sets at 18:51, for a total of 12 hours 15 minutes of sunlight today.
In short, cloud leads the story in Portage on September 15, 2026; expect limited sun and a peak around 32°C.
Frequently asked questions about weather in Portage
How warm does it get in Portage?
The warmest month in Portage is July, with average high temperatures of 28°C. The average temperature during this period is around 24°C.
How cold does it get in Portage?
The coldest month in Portage is January, with average low temperatures of -5°C. The average temperature during this period is around -2°C.
What is the wettest time of year in Portage?
The wettest month in Portage is May, with an average of 128mm of precipitation.
What is the driest time of year in Portage?
The driest month in Portage is November, with an average of 65mm of precipitation.
Explore more weather forecasts
- Lake Station, Indiana
- New York City, New York
- Hobart, Indiana
- Los Angeles, California
- Chesterton, Indiana
- Brooklyn, New York
- Gary, Indiana
- Chicago, Illinois
- Valparaiso, Indiana
- Houston, Texas
- Merrillville, Indiana
- Queens, New York
- Griffith, Indiana
- Phoenix, Arizona
- Highland, Indiana
- Philadelphia, Pennsylvania