Weather in Harlan, Iowa
Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →
Harlan, IA
Sunday, May 17 at 1:05 AM
70
°
Light Drizzle
Feels like
69°
Humidity
78%
Wind
13 mph
Sunrise
6:00 AM
Sunset
8:35 PM
Harlan, IA
Hour by hour · 24h
71°
8p
68°
9p
66°
10p
64°
11p
62°
12a
60°
1a
59°
2a
59°
3a
57°
4a
55°
5a
54°
6a
54°
7a
61°
8a
67°
9a
73°
10a
77°
11a
81°
12p
85°
1p
86°
2p
89°
3p
88°
4p
89°
17%
5p
88°
12%
6p
84°
15%
7p
Harlan, IA
7-day forecast
- TodayMay 16Thunderstorm39%82°57°
- SundayMay 17Thunderstorm76%79°60°
- MondayMay 18Thunderstorm97%81°59°
- TuesdayMay 19Overcast97%58°47°
- WednesdayMay 20Overcast—60°42°
- ThursdayMay 21Overcast—64°47°
- FridayMay 22Heavy Drizzle12%66°54°
Harlan, IA
Next 24 hours · Mild now
Harlan, IA
Anemometer · 24h winds · from true
From · True
ESE
116° · veering 89°
Direction
ESE
116°
Sustained
13
mph
Gust
26
mph
Peak 24h
41
avg 12
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
Harlan, IA
Air quality
61
AQI
Moderate
- PM 2.5
- 3.5 μg/m³
- PM 10
- 4.2 μg/m³
- NO₂
- 1.9 μg/m³
- Ozone
- 96.0 μg/m³
- UV Index
- 0.1 Low
Harlan, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:30 AM
Sunrise
6:00 AM
Daylight
14h 35m
Sunset
8:35 PM
Civil dusk
2:07 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Harlan, IA
The moon
New Moon
0% illuminated
- Moonrise
- 11:04 AM
- Moonset
- 2:08 AM
- In sign
- ♉︎ Taurus
Harlan, IA
Microseason · 28 of 72
May 16–20
Roses Bloom Along the Shelter Rows
plant
Harlan at a glance
- Today vs. normal: 70°F — typical for the season
- Last frost: April 26 (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.