Weather in Chesterfield, Illinois
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
Chesterfield, IL
Sunday, May 17 at 5:05 AM
65
°
Overcast
Feels like
64°
Humidity
88%
Wind
12 mph
Sunrise
5:44 AM
Sunset
8:08 PM
Chesterfield, IL
Hour by hour · 24h
59°
12a
58°
1a
57°
2a
57°
3a
57°
14%
4a
56°
45%
5a
55°
53%
6a
55°
47%
7a
56°
23%
8a
59°
10%
9a
63°
10a
67°
11a
72°
12p
75°
1p
75°
2p
81°
3p
81°
4p
80°
5p
79°
6p
77°
7p
74°
8p
73°
9p
72°
10p
71°
11p
Chesterfield, IL
7-day forecast
- TodayMay 17Overcast—85°65°
- MondayMay 18Showers58%76°68°
- TuesdayMay 19Showers86%78°59°
- WednesdayMay 20Overcast57%64°49°
- ThursdayMay 21Overcast12%65°48°
- FridayMay 22Overcast14%63°53°
- SaturdayMay 23Light Drizzle14%78°59°
Chesterfield, IL
Next 24 hours · Cool now
Chesterfield, IL
Anemometer · 24h winds · from true
From · True
SE
140° · steady
Direction
SE
140°
Sustained
12
mph
Gust
19
mph
Peak 24h
22
avg 8
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
Chesterfield, IL
Air quality
37
AQI
Good
- PM 2.5
- 4.9 μg/m³
- PM 10
- 5.4 μg/m³
- NO₂
- 7.8 μg/m³
- Ozone
- 70.0 μg/m³
- UV Index
- 0.0 Low
Chesterfield, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:17 AM
Sunrise
5:44 AM
Daylight
14h 24m
Sunset
8:08 PM
Civil dusk
1:38 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Chesterfield, IL
The moon
New Moon
0% illuminated
- Moonrise
- 10:52 AM
- Moonset
- 1:36 AM
- In sign
- ♊︎ Gemini
Chesterfield, IL
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
Chesterfield at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: April 12 (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.