Weather in Duncan, Iowa
Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →
Duncan, IA
Sunday, May 17 at 1:02 AM
72
°
Clear
Feels like
68°
Humidity
37%
Wind
7 mph
Sunrise
5:49 AM
Sunset
8:32 PM
Duncan, IA
Hour by hour · 24h
69°
13%
8p
67°
9p
67°
10%
10p
65°
11p
64°
12a
64°
1a
62°
2a
60°
3a
58°
4a
56°
5a
54°
6a
55°
7a
62°
8a
67°
9a
73°
10a
78°
11a
82°
12p
85°
1p
88°
2p
88°
3p
89°
4p
89°
5p
88°
6p
89°
23%
7p
Duncan, IA
7-day forecast
- TodayMay 16Foggy19%80°55°
- SundayMay 17Thunderstorm36%74°62°
- MondayMay 18Showers98%70°61°
- TuesdayMay 19Drizzle98%61°47°
- WednesdayMay 20Overcast—60°43°
- ThursdayMay 21Light Drizzle—63°45°
- FridayMay 22Drizzle11%55°51°
Duncan, IA
Next 24 hours · Mild now
Duncan, IA
Anemometer · 24h winds · from true
From · True
NE
050° · veering 53°
Direction
NE
050°
Sustained
7
mph
Gust
11
mph
Peak 24h
30
avg 7
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
Duncan, IA
Air quality
59
AQI
Moderate
- PM 2.5
- 5.6 μg/m³
- PM 10
- 7.4 μg/m³
- NO₂
- 2.4 μg/m³
- Ozone
- 96.0 μg/m³
- UV Index
- 0.1 Low
Duncan, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:18 AM
Sunrise
5:49 AM
Daylight
14h 43m
Sunset
8:32 PM
Civil dusk
2:06 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Duncan, IA
The moon
New Moon
0% illuminated
- Moonrise
- 10:52 AM
- Moonset
- 2:07 AM
- In sign
- ♉︎ Taurus
Duncan, IA
Microseason · 28 of 72
May 16–20
Roses Bloom Along the Shelter Rows
plant
Duncan at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: May 5 (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
Cool-season window is open
As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).