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

Weather in Seymour, Iowa

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

Seymour, IA
Sunday, May 17 at 1:04 AM
67
°
Rain
Feels like
66°
Humidity
92%
Wind
16 mph
Sunrise
5:54 AM
Sunset
8:23 PM
Seymour, IA
Hour by hour · 24h
71°
8p
68°
9p
66°
10p
65°
11p
66°
17%
12a
67°
22%
1a
64°
13%
2a
66°
3a
64°
4a
62°
5a
59°
6a
61°
7a
65°
8a
69°
9a
73°
10a
77°
11a
80°
12p
82°
1p
83°
2p
85°
3p
86°
4p
85°
5p
86°
6p
86°
7p
L 59°H 86°
Seymour, IA
7-day forecast
  1. Today
    May 16
    Heavy Rain
    71%
    83°64°
  2. Sunday
    May 17
    Heavy Rain
    72%
    82°62°
  3. Monday
    May 18
    Thunderstorm
    71%
    81°62°
  4. Tuesday
    May 19
    Showers
    76%
    64°47°
  5. Wednesday
    May 20
    Overcast
    —
    60°40°
  6. Thursday
    May 21
    Overcast
    —
    64°45°
  7. Friday
    May 22
    Overcast
    11%
    66°55°
Seymour, IA
Next 24 hours · Mild now
HOT 90°50°73°95°12a6a12p6pnow 71°high 86°low 59°PRECIP %
Seymour, IA
Anemometer · 24h winds · from true
NESW
From · True
NNE
026° · veering 164°
Direction
NNE
026°
Sustained
16
mph
Gust
20
mph
Peak 24h
43
avg 13
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 13 · pk 43 @ 10:00p
−24h−18h−12h−6hnow
A fresh breeze drives the nne-bound air across the harbor.
Seymour, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
969.8
-1.7 mb in 3h · rising · 28.64 inHg
Now
969.8
mb
3h
-1.7
mb
12h
-2.0
mb
24h
+0.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 969–972
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Seymour, IA
Air quality
46
AQI
Good
PM 2.5
4.8 μg/m³
PM 10
5.7 μg/m³
NO₂
2.7 μg/m³
Ozone
80.0 μg/m³
UV Index
0.0 Low
Seymour, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:24 AM
Sunrise
5:54 AM
Daylight
14h 29m
Sunset
8:23 PM
Civil dusk
1:55 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Seymour, IA
The moon
New Moon
0% illuminated
Moonrise
10:59 AM
Moonset
1:55 AM
In sign
♉︎ Taurus
Seymour, IA
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 →

Seymour at a glance

  • Today vs. normal: 4°F below the seasonal normal for this latitude
  • Last frost: April 20 (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.

All cities in Iowa →

ZIP codes in Seymour

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.