Weather in Keystone, Iowa
Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →
Keystone, IA
Sunday, May 17 at 2:36 AM
72
°
Overcast
Feels like
74°
Humidity
72%
Wind
5 mph
Sunrise
5:47 AM
Sunset
8:23 PM
Keystone, IA
Hour by hour · 24h
71°
9p
71°
10p
69°
11p
68°
12a
65°
1a
64°
2a
62°
3a
62°
4a
59°
5a
59°
6a
59°
7a
61°
8a
66°
9a
71°
10a
74°
11a
77°
12p
81°
1p
83°
2p
85°
3p
86°
4p
86°
5p
84°
6p
82°
7p
80°
8p
Keystone, IA
7-day forecast
- TodayMay 16Light Rain82%84°61°
- SundayMay 17Thunderstorm55%81°62°
- MondayMay 18Thunderstorm83%84°66°
- TuesdayMay 19Showers80%66°50°
- WednesdayMay 20Overcast—60°42°
- ThursdayMay 21Overcast—64°43°
- FridayMay 22Overcast—66°52°
Keystone, IA
Next 24 hours · Mild now
Keystone, IA
Anemometer · 24h winds · from true
From · True
SE
140° · backing 95°
Direction
SE
140°
Sustained
5
mph
Gust
17
mph
Peak 24h
49
avg 9
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
Keystone, IA
Air quality
62
AQI
Moderate
- PM 2.5
- 3.9 μg/m³
- PM 10
- 5.0 μg/m³
- NO₂
- 4.5 μg/m³
- Ozone
- 88.0 μg/m³
- UV Index
- 0.0 Low
Keystone, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:16 AM
Sunrise
5:47 AM
Daylight
14h 36m
Sunset
8:23 PM
Civil dusk
1:56 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Keystone, IA
The moon
New Moon
0% illuminated
- Moonrise
- 10:50 AM
- Moonset
- 1:56 AM
- In sign
- ♊︎ Gemini
Keystone, IA
Microseason · 28 of 72
May 16–20
Roses Bloom Along the Shelter Rows
plant
Keystone 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
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.