Weather in St. Charles, Iowa
Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →
St. Charles, IA
Sunday, May 17 at 1:03 AM
69
°
Rain
Feels like
69°
Humidity
89%
Wind
13 mph
Sunrise
5:55 AM
Sunset
8:28 PM
St. Charles, IA
Hour by hour · 24h
72°
8p
70°
9p
68°
10p
67°
11p
67°
12a
64°
1a
63°
2a
62°
3a
61°
4a
58°
5a
57°
6a
57°
7a
63°
8a
70°
9a
74°
10a
78°
11a
80°
12p
83°
1p
85°
2p
87°
3p
86°
4p
86°
5p
86°
6p
86°
7p
St. Charles, IA
7-day forecast
- TodayMay 16Thunderstorm72%82°61°
- SundayMay 17Thunderstorm67%80°61°
- MondayMay 18Thunderstorm83%82°62°
- TuesdayMay 19Rain83%62°47°
- WednesdayMay 20Overcast—59°40°
- ThursdayMay 21Overcast—64°45°
- FridayMay 22Overcast11%66°54°
St. Charles, IA
Next 24 hours · Mild now
St. Charles, IA
Anemometer · 24h winds · from true
From · True
S
170° · backing 180°
Direction
S
170°
Sustained
13
mph
Gust
28
mph
Peak 24h
36
avg 8
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
St. Charles, IA
Air quality
46
AQI
Good
- PM 2.5
- 4.9 μg/m³
- PM 10
- 5.7 μg/m³
- NO₂
- 1.9 μg/m³
- Ozone
- 88.0 μg/m³
- UV Index
- 0.0 Low
St. Charles, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:25 AM
Sunrise
5:55 AM
Daylight
14h 33m
Sunset
8:28 PM
Civil dusk
2:00 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
St. Charles, IA
The moon
New Moon
0% illuminated
- Moonrise
- 10:59 AM
- Moonset
- 2:01 AM
- In sign
- ♉︎ Taurus
St. Charles, IA
Microseason · 28 of 72
May 16–20
Roses Bloom Along the Shelter Rows
plant
St. Charles at a glance
- Today vs. normal: 69°F — typical for the season
- Last frost: April 24 (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.