Weather in Decatur, Tennessee
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
Decatur, TN
Sunday, May 17 at 4:55 AM
64
°
Mostly Clear
Feels like
63°
Humidity
74%
Wind
7 mph
Sunrise
6:32 AM
Sunset
8:38 PM
Decatur, TN
Hour by hour · 24h
53°
12a
50°
1a
49°
2a
47°
3a
46°
4a
45°
5a
43°
6a
42°
7a
47°
8a
51°
9a
58°
10a
63°
11a
65°
12p
68°
1p
70°
2p
73°
3p
75°
4p
77°
5p
77°
6p
76°
7p
73°
8p
67°
9p
64°
10p
62°
11p
Decatur, TN
7-day forecast
- TodayMay 17Overcast—88°60°
- MondayMay 18Overcast—89°68°
- TuesdayMay 19Drizzle—87°61°
- WednesdayMay 20Showers61%86°63°
- ThursdayMay 21Light Rain62%85°66°
- FridayMay 22Drizzle69%79°66°
- SaturdayMay 23Light Drizzle56%81°64°
Decatur, TN
Next 24 hours · Cool now
Decatur, TN
Anemometer · 24h winds · from true
From · True
SE
145° · backing 62°
Direction
SE
145°
Sustained
7
mph
Gust
11
mph
Peak 24h
14
avg 5
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
−24h−18h−12h−6hnow
Decatur, TN
Air quality
47
AQI
Good
- PM 2.5
- 13.2 μg/m³
- PM 10
- 13.9 μg/m³
- NO₂
- 9.6 μg/m³
- Ozone
- 67.0 μg/m³
- UV Index
- 0.0 Low
Decatur, TN
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:06 AM
Sunrise
6:32 AM
Daylight
14h 06m
Sunset
8:38 PM
Civil dusk
1:07 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Decatur, TN
The moon
New Moon
0% illuminated
- Moonrise
- 10:44 AM
- Moonset
- 1:02 AM
- In sign
- ♊︎ Gemini
Decatur, TN
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
Decatur at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: March 20 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Peak growing season
As of May 17, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.