Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in Chesterfield, Missouri

Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →

Chesterfield, MO
Sunday, May 17 at 2:58 AM
72
°
Partly Cloudy
Feels like
74°
Humidity
81%
Wind
8 mph
Sunrise
5:49 AM
Sunset
8:08 PM
Chesterfield, MO
Hour by hour · 24h
67°
9p
66°
10p
64°
11p
65°
12a
63°
1a
62°
2a
62°
3a
61°
4a
61°
5a
62°
16%
6a
63°
16%
7a
63°
16%
8a
66°
13%
9a
69°
10a
75°
11a
78°
12p
80°
1p
82°
2p
83°
3p
82°
4p
81°
5p
81°
6p
79°
7p
78°
8p
L 61°H 83°
Chesterfield, MO
7-day forecast
  1. Today
    May 16
    Showers
    64%
    76°70°
  2. Sunday
    May 17
    Overcast
    88°66°
  3. Monday
    May 18
    Rain
    46%
    79°67°
  4. Tuesday
    May 19
    Light Showers
    86%
    82°60°
  5. Wednesday
    May 20
    Overcast
    70%
    69°52°
  6. Thursday
    May 21
    Drizzle
    14%
    64°55°
  7. Friday
    May 22
    Overcast
    18%
    65°56°
Chesterfield, MO
Anemometer · 24h winds · from true
NESW
From · True
SSE
152° · backing 57°
Direction
SSE
152°
Sustained
8
mph
Gust
16
mph
Peak 24h
19
avg 6
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
avg 6 · pk 19 @ 12:00a
−24h−18h−12h−6hnow
Light breeze backing 57° from the sse.
Chesterfield, MO
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
992.4
+1.0 mb in 3h · rising · 29.31 inHg
Now
992.4
mb
3h
+1.0
mb
12h
-3.2
mb
24h
+2.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 990996
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Chesterfield, MO
Air quality
40
AQI
Good
PM 2.5
9.9 μg/m³
PM 10
10.6 μg/m³
NO₂
15.8 μg/m³
Ozone
63.0 μg/m³
UV Index
0.0 Low
Chesterfield, MO
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:20 AM
Sunrise
5:49 AM
Daylight
14h 19m
Sunset
8:08 PM
Civil dusk
1:39 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Chesterfield, MO
The moon
New Moon
0% illuminated
Moonrise
10:56 AM
Moonset
1:36 AM
In sign
♊︎ Gemini
Chesterfield, MO
Microseason · 28 of 72
May 16–20

Roses open on the Piedmont edge

insect
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Chesterfield at a glance

  • Today vs. normal: 72°F — typical for the season
  • Last frost: April 8 (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.

ZIP codes in Chesterfield

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.