Weather forecast for todayDecatur, IN

Weather forecast for today

Current condition 5:10 am EDT

  • 41°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precipitation: 0"
  • Wind: 2mphNW 310°
  • Humidity: 97%
  • Dewpoint: 39°F
  • Pressure: 30.31"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
Currently, patches of clouds are drifting across the sky.
The temperature is a wintry 41°F. The current temperature is almost at the minimum-anticipated 39.2°F for today.

Wednesday Oct 21, 2026

  • 70°F
  • 39°F
AM Fog / PM Sun
AM Fog / PM Sun
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 4mphNE 37°
  • Humidity: 73%
  • UV index: 4
  • Sunrise: 7:57 am EDT
  • Sunset: 6:50 pm EDT
  • ▼
Today, on Wednesday, October 21, low visibility due to fog in the morning will clear as sunny skies take over in the afternoon.
Temperature measurements will peak at a delightful 69.8°F, with a considerable drop to a low of a wintry 39.2°F.
Expect a warmer feel as the forecasted high matches September's 73.8°F, rather than October's average of 61.7°F.
Sunrise will be at 7:57 am and sunset at 6:50 pm; the daylight will last for 10h and 53min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 68°C.
Coldest hour: 8 am 39°C.

Chance of precipitation

Highest chance: 6 am - 10 am 15%.

Hourly weather forecast

  • 6 am
  • 41°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 2mphENE 63°
  • Humidity: 97%
  • Pressure: 30.3"Hg
  • Visibility: 4mi
  • UV index: 0
  • ▼
Sunrise: 7:57 am
  • 8 am
  • 39°F
  • Feels like:
    39°F
Foggy
Foggy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 2mphENE 62°
  • Humidity: 98%
  • Pressure: 30.3"Hg
  • Visibility: 0mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    50°F
Foggy
Foggy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 2mphENE 75°
  • Humidity: 96%
  • Pressure: 30.33"Hg
  • Visibility: 0mi
  • UV index: 1
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphNE 49°
  • Humidity: 71%
  • Pressure: 30.3"Hg
  • Visibility: 1mi
  • UV index: 3
  • ▼
  • 2 pm
  • 66°F
  • Feels like:
    66°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphN 0°
  • Humidity: 48%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphN 355°
  • Humidity: 41%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphN 0°
  • Humidity: 46%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:50 pm
  • 8 pm
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphNNE 31°
  • Humidity: 69%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphNNE 29°
  • Humidity: 83%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, a combination of dry and sunny, low-visibility and dull weather is anticipated.
The temperature will vary between a maximum of 68°F and a minimum of 39.2°F. The warmest part of the day will be from 3 pm to 5 pm.
The highest temperature is more comparable to September's average maximum of 73.8°F than October's usual of 61.7°F. The expected low will be more resembling what’s common in November than the current October average of 45.9°F.
Updated: Oct 21, 2026 @ 09:10:10 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (5:10 am EDT) in Decatur is 41°F.

On Wednesday, early foggy conditions will improve as the sun takes over in the afternoon.

Today, the highest temperature in Decatur will be 69.8°F, while the lowest temperature will be 39.2°F.
The highest temperature will be moderately higher than the average maximum of 61.7°F in October. The lowest temperature will be also a few degrees lower than the average low of 45.9°F.

On Wednesday, in Decatur, sunrise will be at 7:57 am and sunset at 6:50 pm (EDT).

In Decatur, the length of the day today will be 10h and 53min.