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

Weather in Treynor, Iowa

Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →

Treynor, IA
Sunday, May 17 at 3:42 AM
69
°
Overcast
Feels like
66°
Humidity
78%
Wind
15 mph
Sunrise
6:02 AM
Sunset
8:35 PM
Treynor, IA
Hour by hour · 24h
72°
10p
68°
11p
66°
12a
64°
1a
62°
2a
61°
3a
60°
4a
60°
5a
59°
6a
59°
7a
64°
8a
69°
9a
73°
10a
79°
11a
82°
12p
86°
1p
88°
2p
88°
3p
90°
4p
87°
13%
5p
86°
6p
75°
24%
7p
72°
16%
8p
70°
15%
9p
L 59°H 90°
Treynor, IA
7-day forecast
  1. Today
    May 16
    Thunderstorm
    51%
    86°61°
  2. Sunday
    May 17
    Thunderstorm
    81%
    79°62°
  3. Monday
    May 18
    Thunderstorm
    98%
    79°58°
  4. Tuesday
    May 19
    Light Showers
    98%
    59°46°
  5. Wednesday
    May 20
    Overcast
    61°42°
  6. Thursday
    May 21
    Light Drizzle
    65°46°
  7. Friday
    May 22
    Heavy Drizzle
    16%
    66°55°
Treynor, IA
Anemometer · 24h winds · from true
NESW
From · True
E
088° · veering 16°
Direction
E
088°
Sustained
15
mph
Gust
33
mph
Peak 24h
33
avg 11
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 11 · pk 33 @ 9:00p
−24h−18h−12h−6hnow
Sustained 15 mph with gusts pulsing to 33 — flags snap, branches bend.
Treynor, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
960.8
-2.4 mb in 3h · steady · 28.37 inHg
Now
960.8
mb
3h
-2.4
mb
12h
-2.7
mb
24h
-0.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 960965
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Treynor, IA
Air quality
48
AQI
Good
PM 2.5
5.0 μg/m³
PM 10
5.6 μg/m³
NO₂
4.6 μg/m³
Ozone
84.0 μg/m³
UV Index
0.0 Low
Treynor, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:32 AM
Sunrise
6:02 AM
Daylight
14h 33m
Sunset
8:35 PM
Civil dusk
2:07 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Treynor, IA
The moon
New Moon
0% illuminated
Moonrise
11:07 AM
Moonset
2:07 AM
In sign
♊︎ Gemini
Treynor, IA
Microseason · 28 of 72
May 16–20

Roses Bloom Along the Shelter Rows

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Treynor at a glance

  • Today vs. normal: 69°F — typical for the season
  • Last frost: April 23 (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 Treynor

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.