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

Weather in Unionville, Missouri

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

Unionville, MO
Sunday, May 17 at 5:54 AM
65
°
Overcast
Feels like
66°
Humidity
90%
Wind
9 mph
Sunrise
5:53 AM
Sunset
8:23 PM
Unionville, MO
Hour by hour · 24h
67°
12%
12a
67°
17%
1a
64°
16%
2a
62°
11%
3a
62°
4a
60°
5a
59°
6a
60°
7a
64°
8a
68°
9a
72°
10a
75°
11a
79°
12p
80°
1p
83°
2p
84°
3p
85°
4p
85°
5p
85°
6p
85°
7p
80°
8p
78°
9p
72°
10p
73°
17%
11p
L 59°H 85°
Unionville, MO
7-day forecast
  1. Today
    May 17
    Thunderstorm
    95%
    83°64°
  2. Monday
    May 18
    Showers
    73%
    78°65°
  3. Tuesday
    May 19
    Showers
    90%
    65°48°
  4. Wednesday
    May 20
    Overcast
    60°42°
  5. Thursday
    May 21
    Light Showers
    63°44°
  6. Friday
    May 22
    Light Rain
    13%
    64°53°
  7. Saturday
    May 23
    Light Drizzle
    11%
    74°54°
Unionville, MO
Anemometer · 24h winds · from true
NESW
From · True
SE
131° · veering 34°
Direction
SE
131°
Sustained
9
mph
Gust
21
mph
Peak 24h
40
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 40 @ 9:00p
−24h−18h−12h−6hnow
Light breeze veering 34° from the se.
Unionville, MO
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
970.2
+0.2 mb in 3h · steady · 28.65 inHg
Now
970.2
mb
3h
+0.2
mb
12h
-0.2
mb
24h
-0.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 969973
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Unionville, MO
Air quality
40
AQI
Good
PM 2.5
4.8 μg/m³
PM 10
5.7 μg/m³
NO₂
2.3 μg/m³
Ozone
77.0 μg/m³
UV Index
0.0 Low
Unionville, 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 30m
Sunset
8:23 PM
Civil dusk
1:54 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Unionville, MO
The moon
New Moon
0% illuminated
Moonrise
10:59 AM
Moonset
1:54 AM
In sign
♊︎ Gemini
Unionville, 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 →

Unionville at a glance

  • Today vs. normal: 6°F below the seasonal normal for this latitude
  • Last frost: April 19 (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 Unionville

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.