How is the weather in Decatur, IN?

At 2:50 AM on Thu, Sep 18, 2025 it is 61 degrees Fahrenheit, feeling like 61 degrees.

Decatur, IN Weather Forecast and Current Conditions (46733)

61°F
Feels Like 61°F

Humidity 88% Dew Point 58°F Wind Calm 0 MPH Barometer 29.98 in.761.5 mm

Solar Rad 0 w/m2 UV Index 0

Report from 1.2 miles SE of central Decatur at 2:50 AM Thu, Sep 18, 2025

Current Weather

61°F
Feels Like 61°F

Humidity 88% Dew Point 58°F Wind Calm 0 MPH Barometer 29.98 in.761.5 mm

Solar Rad 0 w/m2 UV Index 0

Report from 1.2 miles SE of central Decatur at 2:50 AM Thu, Sep 18, 2025

Forecast at a Glance

ThuSep 18

87°

57°

FriSep 19

89°

60°

SatSep 20

20%

85°

61°

SunSep 21

20%

85°

63°

MonSep 22

50%

78°

62°

TueSep 23

50%

78°

58°

WedSep 24

30%

77°

This Date in Weather History

1941 - One of the greatest aurora borealis or northern lights ever observed in the central Atlantic and mid-central portions of the U.S. occurred on the night of September 18-19th. The displays continued from twilight until just before dawn and were observed as far south as Florida and southern California.

Decatur 7 Day Weather Forecast Details

Thursday Sep 18

Day: Patchy fog before 9am. Sunny, with a high near 87. Northwest wind 0 to 5 mph.

Night: Patchy fog after 4am. Mostly clear, with a low around 57. Northwest wind 0 to 5 mph.

Friday Sep 19

Day: Patchy fog before 9am. Sunny, with a high near 89. Northeast wind 0 to 5 mph.

Night: Partly cloudy, with a low around 60. East wind 5 to 10 mph.

Saturday Sep 20

Day: A slight chance of rain showers after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 20%.

Night: A slight chance of rain showers before 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 20%.

Sunday Sep 21

Day: A slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 20%.

Night: A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

Monday Sep 22

Day: A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.

Night: A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.

Tuesday Sep 23

Day: A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78.

Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.

Wednesday Sep 24

Day: A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 77.

Sun & Moon Monthly

First Light 6:57 AM

Sunrise 7:24 AM

Sunset 7:45 PM

Last Light 8:13 PM

Moonrise 3:55 AM

Moonset 6:32 PM

Moon Phase

Campground Weather - Check Reports for 8800+ Locations

Data costs money. Servers cost money. Our website is made possible by displaying online advertisements to our visitors. Please consider supporting us by disabling your ad blocker, contribute to WeatherForYou.com by buying me a coffee or subscribe to our ClearSky ad-free service.