State in United States

Indiana Weather Forecast

Indiana weather: 64°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

☁️ 64°F now🕔 2:42 AM local📅 Best: May, July, August, September and October👥 6.9 million

Summary

Indiana is a state in United States. Indiana is a US state with its capital at Indianapolis. It has a population of about 6.9 million. The capital is Indianapolis.

Right now it is 64°F (18°C) in Indiana with overcast. It feels like 65°F. Today runs from 58°F to 66°F. Chance of precipitation is 52%. Sightseeing conditions score 8.3/10 - good conditions.

The best time to visit Indiana is May, July, August, September and October. The climate is continental. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 86°F, while January is the coldest with lows near 19°F.

The closest major airport is O'Hare International Airport (ORD), about 178 mi away. Nearby highlights include Indiana Dunes National Park, Mammoth Cave National Park, Starved Rock State Park and Hocking Hills State Park.

In plain terms. Today is cooler than average for September. The forecast high of 66°F is 13.5°F below the 80°F typical for this month. The best window to be outside is roughly 1 PM to 4 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Indiana today at 9.3/10. No weather-related travel disruption is expected today. Roads and airports should run normally.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Weather in Indiana right now

☁️
64°F
Overcast · feels like 65°F
Humidity93%
Wind8 mph NNE
Gusts17 mph
UV index0 · Low
Cloud cover97%
Pressure989 hPa
VisibilityGood · 8 mi
Air quality51 · Moderate
Sunrise7:31 AM
Sunset7:43 PM
Moon🌔 Waxing gibbous · 72%

Source: Open-Meteo. Updated 2:42 AM, Sep 21 local time.

See the Indiana forecast by time range

Next 24 hours

Hour-by-hour temperature, precipitation chance and wind.

3 AM☁️64°13%8 mph
4 AM🌦️64°20%4 mph
5 AM🌧️64°51%8 mph
6 AM🌧️64°50%4 mph
7 AM🌦️64°50%4 mph
8 AM🌦️64°51%6 mph
9 AM☁️64°52%7 mph
10 AM☁️64°37%7 mph
11 AM☁️64°26%7 mph
12 PM🌦️64°20%10 mph
1 PM🌦️64°9%8 mph
2 PM🌦️64°12%8 mph
3 PM🌦️64°3%9 mph
4 PM☁️64°5%9 mph
5 PM☁️63°5%10 mph
6 PM☁️61°8%11 mph
7 PM☁️60°8%10 mph
8 PM☁️59°5%11 mph
9 PM☁️58°2%11 mph
10 PM☁️58°2%11 mph
11 PM☁️58°2%10 mph
12 AM☁️58°2%8 mph
1 AM☁️59°1%8 mph
2 AM☁️59°1%8 mph

16-day forecast for Indiana

Daily highs and lows, precipitation and UV.

DayConditionsHigh / LowPrecipWindUV
Mon, Sep 21🌧️ Rain66° / 58°52% · 0,5 in11 mph2
Tue, Sep 22🌦️ Light drizzle64° / 57°3% · 0,0 in12 mph4
Wed, Sep 23🌦️ Light drizzle63° / 58°1% · 0,0 in8 mph2
Thu, Sep 24☁️ Overcast70° / 60°0%9 mph4
Fri, Sep 25☁️ Overcast71° / 55°1%8 mph6
Sat, Sep 26☁️ Overcast60° / 55°0%5 mph1
Sun, Sep 27☁️ Overcast73° / 58°3%7 mph5
Mon, Sep 28☀️ Clear sky74° / 53°5%6 mph5
Tue, Sep 29☁️ Overcast79° / 58°18%5 mph5
Wed, Sep 30☁️ Overcast75° / 60°18%11 mph5
Thu, Oct 1☁️ Overcast71° / 52°13%7 mph5
Fri, Oct 2☁️ Overcast74° / 54°23%8 mph5
Sat, Oct 3☁️ Overcast78° / 59°15%5 mph5
Sun, Oct 4🌦️ Light drizzle85° / 64°19% · 0,0 in12 mph5
Mon, Oct 5🌦️ Light drizzle85° / 69°19% · 0,0 in14 mph5
Tue, Oct 6☀️ Clear sky-- / --16%--

Climate in Indiana month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

JanFebMarAprMayJunJulAugSepOctNovDecLine: average high · Bars: rainfall
MonthAvg highAvg lowRainfallRating
January32°19°2,7 in★★☆☆☆
February44°26°1,7 in★★★☆☆
March58°38°5,2 in★★★☆☆
April66°47°6,3 in★★★☆☆
May72°54°4,5 in★★★★
June83°65°5,5 in★★★★
July86°69°4,3 in★★★★
August83°66°3,3 in★★★★
September80°60°2,7 in★★★★
October68°49°2,1 in★★★★
November53°38°2,6 in★★★☆☆
December43°29°3,1 in★★☆☆☆

Climate type: Continental. Source: Open-Meteo archive (ERA5).

Weather map for Indiana

Animated model layers. Pick a layer to load it.

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Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.

Air quality and pollen in Indiana

51
Moderate
Unusually sensitive people should limit long outdoor exertion.
PM2.53.6 µg/m³
PM103.7 µg/m³
Ozone57 µg/m³
NO₂7.8 µg/m³
UV index0 · Low
Airborne hazeLight haze

Air quality: Open-Meteo (CAMS). US AQI scale.

Sun, twilight and moon

Sunrise7:31 AM
Sunset7:43 PM
Daylight12h 12m
Solar noon1:37 PM
Golden hour (am)7:31 AM - 8:31 AM
Golden hour (pm)6:43 PM - 7:43 PM
Blue hour (am)7:01 AM - 7:31 AM
Blue hour (pm)7:43 PM - 8:13 PM
Moon phase🌔 Waxing gibbous · 72%
Moonrise5:15 PM
Moonset2:05 AM

Golden and blue hour are the standard photographic approximation around sunrise and sunset.

Best time to visit Indiana

Go in May, July, August, September and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.

January★★☆☆☆
February★★★☆☆
March★★★☆☆
April★★★☆☆
May★★★★
June★★★★
July★★★★
August★★★★
September★★★★
October★★★★
November★★★☆☆
December★★☆☆☆

Weather by national park in Indiana

1 national parks mapped in this atlas

Weather by city in Indiana

1 cities mapped in this atlas

Explore Indiana

Every topic we hold for this place, and the same topic for the places around it.

Weather for related places

Frequently asked questions

Where is Indiana?

Indiana is a state in United States. Its coordinates are 39.7684, -86.1581. It lies in North America.

What is the weather like in Indiana right now?

It is currently 64°F (18°C) with overcast. Humidity is 93% and wind is 8 mph.

When is the best time to visit Indiana?

May, July, August, September and October offer the most comfortable conditions in Indiana, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.

What time zone is Indiana in?

Indiana observes America/Indiana/Indianapolis (UTC-04:00). The local time is 2:42 AM.

How many people live in Indiana?

Indiana has a population of approximately 6.9 million.

What is the nearest airport to Indiana?

The closest airports are O'Hare International Airport (ORD), 178 mi away and Nashville International Airport (BNA), 253 mi away.

What are the top things to do in Indiana?

Popular options include Indiana Dunes National Park, Mammoth Cave National Park, Starved Rock State Park, Hocking Hills State Park, Cumberland Falls State Resort Park and Gateway Arch National Park.

What places are in Indiana?

Indiana covers 2 places in this atlas, including Indiana Dunes National Park and Indianapolis.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts.
Forecast and observationsOpen-Meteo (ECMWF and national models).
Air quality and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Climate averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Weather Service.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated September 21, 2026 at 2:42 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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