Weather in Decatur, Indiana
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
Decatur, IN
Sunday, May 17 at 5:12 AM
63
°
Overcast
Feels like
65°
Humidity
91%
Wind
6 mph
Sunrise
6:20 AM
Sunset
8:52 PM
Decatur, IN
Hour by hour · 24h
47°
1a
46°
2a
45°
3a
44°
4a
43°
5a
43°
6a
43°
7a
48°
8a
53°
9a
57°
10a
61°
11a
64°
12p
64°
1p
64°
2p
64°
3p
66°
4p
66°
5p
65°
6p
65°
7p
63°
8p
60°
9p
57°
10p
56°
11p
55°
12a
Decatur, IN
7-day forecast
- TodayMay 17Overcast—85°59°
- MondayMay 18Light Showers53%86°62°
- TuesdayMay 19Light Showers91%82°68°
- WednesdayMay 20Showers91%67°52°
- ThursdayMay 21Overcast—61°46°
- FridayMay 22Drizzle23%55°49°
- SaturdayMay 23Light Drizzle29%72°56°
Decatur, IN
Next 24 hours · Cold now
Decatur, IN
Anemometer · 24h winds · from true
From · True
SSW
192° · veering 33°
Direction
SSW
192°
Sustained
6
mph
Gust
15
mph
Peak 24h
30
avg 10
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, IN
Air quality
40
AQI
Good
- PM 2.5
- 5.5 μg/m³
- PM 10
- 6.1 μg/m³
- NO₂
- 6.6 μg/m³
- Ozone
- 73.0 μg/m³
- UV Index
- 0.0 Low
Decatur, IN
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:51 AM
Sunrise
6:20 AM
Daylight
14h 32m
Sunset
8:52 PM
Civil dusk
1:23 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Decatur, IN
The moon
New Moon
0% illuminated
- Moonrise
- 10:25 AM
- Moonset
- 1:20 AM
- In sign
- ♊︎ Gemini
Decatur, IN
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
Decatur at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: April 21 (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
Warm-season window is open
As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.