Weather in Alton, Iowa
Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →
Alton, IA
Sunday, May 17 at 1:03 AM
75
°
Clear
Feels like
67°
Humidity
21%
Wind
10 mph
Sunrise
5:59 AM
Sunset
8:41 PM
Alton, IA
Hour by hour · 24h
74°
8p
70°
9p
70°
10p
68°
11p
67°
12a
64°
1a
62°
2a
59°
3a
57°
4a
55°
5a
52°
6a
53°
7a
62°
8a
69°
9a
75°
10a
82°
11a
85°
12p
87°
1p
88°
2p
90°
3p
89°
4p
91°
5p
92°
6p
92°
11%
7p
Alton, IA
7-day forecast
- TodayMay 16Overcast—83°49°
- SundayMay 17Thunderstorm51%74°62°
- MondayMay 18Rain90%64°50°
- TuesdayMay 19Overcast90%56°43°
- WednesdayMay 20Overcast—64°39°
- ThursdayMay 21Overcast—67°46°
- FridayMay 22Heavy Drizzle14%60°54°
Alton, IA
Next 24 hours · Mild now
Alton, IA
Anemometer · 24h winds · from true
From · True
ENE
072° · backing 33°
Direction
ENE
072°
Sustained
10
mph
Gust
21
mph
Peak 24h
39
avg 10
Beaufort · 3 · GENTLE 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
Alton, IA
Air quality
58
AQI
Moderate
- PM 2.5
- 3.3 μg/m³
- PM 10
- 4.2 μg/m³
- NO₂
- 1.3 μg/m³
- Ozone
- 108.0 μg/m³
- UV Index
- 0.1 Low
Alton, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:28 AM
Sunrise
5:59 AM
Daylight
14h 42m
Sunset
8:41 PM
Civil dusk
2:15 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Alton, IA
The moon
New Moon
0% illuminated
- Moonrise
- 11:01 AM
- Moonset
- 2:16 AM
- In sign
- ♉︎ Taurus
Alton, IA
Microseason · 28 of 72
May 16–20
Roses Bloom Along the Shelter Rows
plant
Alton at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: May 4 (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).