Weather Alert
Decatur Weather Warning NWS WEATHER ALERT FOR THE DECATUR, TN AREA - Issued: 208 AM EDT Tue Sep 22 2026 Decatur Weather Warning

World > North America > United States > Tennessee > Decatur   Decatur, Tennessee Weather Town of Decatur, Tennessee

Decatur, TN Weather - Hour by Hour Forecast

Feedback E-mail the Weather

Quick Clicks

Decatur, TN Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mostly Cloudy. Temperature is 73°F23°C, dew point 69°F21°C, humidity 88%. Wind direction is N at 0 mph0 km/h with visibility of 10 mi16 km. Barometric pressure is 30.07 in1018 mb.
Today - Partly sunny. Showers likely with a chance of thunderstorms. Highs in the upper 80s. Temperature falling into the upper 70s this a.. Full Forecast
Tonight - Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after mid.. Full Forecast

Decatur Hourly Weather

24 Hour Forecast Scroll
Tue, Sep 22
10:00 am
Tue, Sep 22
11:00 am
Tue, Sep 22
Noon
Tue, Sep 22
1:00 pm
Tue, Sep 22
2:00 pm
Tue, Sep 22
3:00 pm
Tue, Sep 22
4:00 pm
Tue, Sep 22
5:00 pm
Tue, Sep 22
6:00 pm
Tue, Sep 22
7:00 pm
Tue, Sep 22
8:00 pm
Tue, Sep 22
9:00 pm
Tue, Sep 22
10:00 pm
Tue, Sep 22
11:00 pm
Wed, Sep 23
Midnight
Wed, Sep 23
1:00 am
Wed, Sep 23
2:00 am
Wed, Sep 23
3:00 am
Wed, Sep 23
4:00 am
Wed, Sep 23
5:00 am
Wed, Sep 23
6:00 am
Wed, Sep 23
7:00 am
Wed, Sep 23
8:00 am
Wed, Sep 23
9:00 am
Decatur, TN Hourly Weather - Mostly Cloudy - 10:00 AM Decatur, TN Hourly Weather - Mostly Cloudy - 11:00 AM Decatur, TN Hourly Weather - Mostly Cloudy - 12:00 PM Decatur, TN Hourly Weather - Mostly Cloudy - 1:00 PM Decatur, TN Hourly Weather - Mostly Cloudy - 2:00 PM Decatur, TN Hourly Weather - Mostly Cloudy - 3:00 PM Decatur, TN Hourly Weather - Mostly Cloudy - 4:00 PM Decatur, TN Hourly Weather - Mostly Cloudy - 5:00 PM Decatur, TN Hourly Weather - Mostly Cloudy - 6:00 PM Decatur, TN Hourly Weather - Mostly Cloudy - 7:00 PM Decatur, TN Hourly Weather - Mostly Cloudy - 8:00 PM Decatur, TN Hourly Weather - Mostly Cloudy - 9:00 PM Decatur, TN Hourly Weather - Mostly Cloudy - 10:00 PM Decatur, TN Hourly Weather - Mostly Cloudy - 11:00 PM Decatur, TN Hourly Weather - Mostly Cloudy - 12:00 AM Decatur, TN Hourly Weather - Cloudy - 1:00 AM Decatur, TN Hourly Weather - Cloudy - 2:00 AM Decatur, TN Hourly Weather - Cloudy - 3:00 AM Decatur, TN Hourly Weather - Cloudy - 4:00 AM Decatur, TN Hourly Weather - Cloudy - 5:00 AM Decatur, TN Hourly Weather - Cloudy - 6:00 AM Decatur, TN Hourly Weather - Cloudy - 7:00 AM Decatur, TN Hourly Weather - Cloudy - 8:00 AM Decatur, TN Hourly Weather - Cloudy - 9:00 AM
Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
76°F24°C 78°F26°C 81°F27°C 84°F29°C 87°F31°C 87°F31°C 86°F30°C 86°F30°C 83°F28°C 79°F26°C 76°F24°C 74°F23°C 73°F23°C 71°F22°C 70°F21°C 70°F21°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 67°F19°C 67°F19°C 66°F19°C 68°F20°C
- - - - - Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain
10% 10% 10% 10% 10% 48% 48% 48% 48% 48% 48% 47% 47% 47% 47% 47% 47% 46% 46% 46% 46% 46% 46% 43%
71°F22°C 71°F22°C 70°F21°C 70°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 70°F21°C 71°F22°C 72°F22°C 71°F22°C 71°F22°C 70°F21°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 67°F19°C 67°F19°C 67°F19°C 66°F19°C 66°F19°C 67°F19°C
85% 79% 69% 63% 55% 55% 57% 57% 65% 77% 87% 90% 93% 97% 97% 97% 97% 97% 97% 97% 100% 97% 100% 97%
NE NE SE SSW N SSW SE N NNE NE NE NE NNE N NE NE E E E E ENE NE N E
1 mph 1 mph 1 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 1 mph 1 mph 1 mph 0 mph 0 mph 0 mph 1 mph 1 mph 1 mph 1 mph 1 mph 1 mph 0 mph 0 mph 0 mph
5 mi8 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 5 mi8 km 3 mi5 km 3 mi5 km .75 mi1 km .75 mi1 km .75 mi1 km .75 mi1 km 3 mi5 km
Hour (EDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KMMI model statistics.

Trending Headlines

Trending Entertainment Headlines

Decatur Radar Loop

Use the map search tool if you want to place a location marker on the radar map...
Prob Precip % = Probability of Precipitation.

Decatur 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

E-mail the Decatur Weather Forecast

Voice your opinion or tell us about page issues...

Decatur TN Weather - 10:01 am

What are people saying?

Contact Us