Weather in Harpers Ferry, Iowa
Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →
Harpers Ferry, IA
Sunday, May 17 at 12:53 AM
75
°
Clear
Feels like
74°
Humidity
44%
Wind
3 mph
Sunrise
5:39 AM
Sunset
8:22 PM
Harpers Ferry, IA
Hour by hour · 24h
71°
7p
69°
8p
67°
9p
63°
33%
10p
60°
37%
11p
61°
14%
12a
58°
14%
1a
58°
13%
2a
57°
3a
56°
4a
55°
5a
55°
6a
57°
7a
62°
8a
65°
9a
69°
10a
73°
11a
76°
12p
79°
1p
82°
2p
83°
3p
85°
4p
85°
5p
85°
6p
Harpers Ferry, IA
7-day forecast
- TodayMay 16Heavy Rain95%85°59°
- SundayMay 17Heavy Rain52%80°62°
- MondayMay 18Thunderstorm85%79°66°
- TuesdayMay 19Showers85%68°49°
- WednesdayMay 20Overcast—59°46°
- ThursdayMay 21Overcast—62°39°
- FridayMay 22Drizzle—60°49°
Harpers Ferry, IA
Next 24 hours · Mild now
Harpers Ferry, IA
Anemometer · 24h winds · from true
From · True
E
086° · veering 151°
Direction
E
086°
Sustained
3
mph
Gust
6
mph
Peak 24h
22
avg 5
Beaufort · 1 · LIGHT AIR
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
Harpers Ferry, IA
Air quality
57
AQI
Moderate
- PM 2.5
- 5.6 μg/m³
- PM 10
- 7.3 μg/m³
- NO₂
- 3.1 μg/m³
- Ozone
- 90.0 μg/m³
- UV Index
- 0.3 Low
Harpers Ferry, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:08 AM
Sunrise
5:39 AM
Daylight
14h 43m
Sunset
8:22 PM
Civil dusk
1:56 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Harpers Ferry, IA
The moon
New Moon
0% illuminated
- Moonrise
- 10:41 AM
- Moonset
- 1:57 AM
- In sign
- ♉︎ Taurus
Harpers Ferry, IA
Microseason · 28 of 72
May 16–20
Roses Bloom Along the Shelter Rows
plant
Harpers Ferry at a glance
- Today vs. normal: 7°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).