Weather in Denison, Iowa
Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →
Denison, IA
Sunday, May 17 at 2:10 AM
72
°
Overcast
Feels like
64°
Humidity
36%
Wind
13 mph
Sunrise
5:59 AM
Sunset
8:36 PM
Denison, IA
Hour by hour · 24h
70°
9p
67°
10p
64°
11p
62°
12a
60°
1a
59°
2a
57°
3a
57°
4a
54°
5a
53°
6a
53°
7a
61°
8a
68°
9a
73°
10a
79°
11a
82°
12p
85°
1p
88°
2p
89°
3p
88°
4p
88°
5p
89°
6p
86°
7p
84°
15%
8p
Denison, IA
7-day forecast
- TodayMay 16Overcast16%80°55°
- SundayMay 17Thunderstorm75%77°61°
- MondayMay 18Light Showers96%72°58°
- TuesdayMay 19Light Drizzle96%58°46°
- WednesdayMay 20Overcast—62°41°
- ThursdayMay 21Overcast—65°46°
- FridayMay 22Light Rain14%59°54°
Denison, IA
Next 24 hours · Mild now
Denison, IA
Anemometer · 24h winds · from true
From · True
ENE
057° · veering 5°
Direction
ENE
057°
Sustained
13
mph
Gust
22
mph
Peak 24h
42
avg 11
Beaufort · 4 · MOD 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
Denison, IA
Air quality
58
AQI
Moderate
- PM 2.5
- 3.8 μg/m³
- PM 10
- 4.6 μg/m³
- NO₂
- 2.1 μg/m³
- Ozone
- 101.0 μg/m³
- UV Index
- 0.0 Low
Denison, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:29 AM
Sunrise
5:59 AM
Daylight
14h 37m
Sunset
8:36 PM
Civil dusk
2:09 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Denison, IA
The moon
New Moon
0% illuminated
- Moonrise
- 11:03 AM
- Moonset
- 2:09 AM
- In sign
- ♉︎ Taurus
Denison, IA
Microseason · 28 of 72
May 16–20
Roses Bloom Along the Shelter Rows
plant
Denison at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: April 28 (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).