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

Weather in Callao, Missouri

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

Callao, MO
Sunday, May 17 at 5:07 AM
71
°
Overcast
Feels like
72°
Humidity
82%
Wind
12 mph
Sunrise
5:53 AM
Sunset
8:20 PM
Callao, MO
Hour by hour · 24h
64°
12a
63°
13%
1a
64°
15%
2a
63°
19%
3a
62°
18%
4a
60°
5a
59°
6a
61°
7a
64°
8a
67°
9a
70°
10a
73°
11a
76°
12p
78°
1p
81°
2p
82°
3p
83°
4p
83°
5p
80°
6p
77°
7p
74°
8p
72°
9p
71°
10p
71°
12%
11p
L 59°H 83°
Callao, MO
7-day forecast
  1. Today
    May 17
    Overcast
    34%
    87°68°
  2. Monday
    May 18
    Light Rain
    69%
    79°65°
  3. Tuesday
    May 19
    Showers
    70%
    72°52°
  4. Wednesday
    May 20
    Overcast
    63°44°
  5. Thursday
    May 21
    Overcast
    13%
    62°49°
  6. Friday
    May 22
    Overcast
    19%
    67°54°
  7. Saturday
    May 23
    Light Drizzle
    12%
    76°62°
Callao, MO
Anemometer · 24h winds · from true
NESW
From · True
SE
144° · veering 56°
Direction
SE
144°
Sustained
12
mph
Gust
24
mph
Peak 24h
37
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
avg 10 · pk 37 @ 11:00p
−24h−18h−12h−6hnow
Light breeze veering 56° from the se.
Callao, MO
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
978.9
+0.8 mb in 3h · steady · 28.91 inHg
Now
978.9
mb
3h
+0.8
mb
12h
+0.6
mb
24h
-0.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 977982
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Callao, MO
Air quality
35
AQI
Good
PM 2.5
5.6 μg/m³
PM 10
6.8 μg/m³
NO₂
3.6 μg/m³
Ozone
66.0 μg/m³
UV Index
0.0 Low
Callao, MO
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:25 AM
Sunrise
5:53 AM
Daylight
14h 27m
Sunset
8:20 PM
Civil dusk
1:50 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Callao, MO
The moon
New Moon
0% illuminated
Moonrise
11:00 AM
Moonset
1:49 AM
In sign
♊︎ Gemini
Callao, 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 →

Callao at a glance

  • Today vs. normal: 71°F — typical for the season
  • Last frost: April 15 (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 Callao

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.