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

Weather in Trenton, Missouri

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

Trenton, MO
Sunday, May 17 at 4:02 AM
69
°
Overcast
Feels like
68°
Humidity
85%
Wind
15 mph
Sunrise
5:57 AM
Sunset
8:23 PM
Trenton, MO
Hour by hour · 24h
65°
11p
66°
11%
12a
64°
13%
1a
63°
12%
2a
62°
3a
61°
4a
60°
5a
60°
6a
61°
7a
65°
8a
69°
9a
72°
10a
75°
11a
79°
12p
80°
1p
82°
2p
84°
3p
86°
4p
85°
5p
84°
6p
81°
7p
78°
10%
8p
77°
17%
9p
70°
16%
10p
L 60°H 86°
Trenton, MO
7-day forecast
  1. Today
    May 16
    Thunderstorm
    79%
    79°63°
  2. Sunday
    May 17
    Light Rain
    71%
    86°63°
  3. Monday
    May 18
    Thunderstorm
    72%
    80°63°
  4. Tuesday
    May 19
    Showers
    92%
    65°50°
  5. Wednesday
    May 20
    Overcast
    62°43°
  6. Thursday
    May 21
    Overcast
    11%
    66°47°
  7. Friday
    May 22
    Overcast
    26%
    66°57°
Trenton, MO
Anemometer · 24h winds · from true
NESW
From · True
SE
126° · veering 31°
Direction
SE
126°
Sustained
15
mph
Gust
25
mph
Peak 24h
36
avg 10
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
avg 10 · pk 36 @ 9:00p
−24h−18h−12h−6hnow
Sustained 15 mph with gusts pulsing to 25 — flags snap, branches bend.
Trenton, MO
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
978.1
-2.9 mb in 3h · falling rapidly · 28.88 inHg
Now
978.1
mb
3h
-2.9
mb
12h
-2.1
mb
24h
-1.2
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.
Trenton, MO
Air quality
40
AQI
Good
PM 2.5
4.8 μg/m³
PM 10
5.5 μg/m³
NO₂
4.9 μg/m³
Ozone
68.0 μg/m³
UV Index
0.0 Low
Trenton, MO
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:28 AM
Sunrise
5:57 AM
Daylight
14h 26m
Sunset
8:23 PM
Civil dusk
1:55 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Trenton, MO
The moon
New Moon
0% illuminated
Moonrise
11:03 AM
Moonset
1:55 AM
In sign
♊︎ Gemini
Trenton, 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 →

Trenton at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: April 16 (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 Trenton

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.