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

Weather in Portland, Iowa

Roses Bloom Along the Shelter Rows. Day 58 of spring. Read this microseason across nine climate regions →

Portland, IA
Saturday, May 16 at 11:56 PM
74
°
Mostly Clear
Feels like
74°
Humidity
59%
Wind
6 mph
Sunrise
5:47 AM
Sunset
8:30 PM
Portland, IA
Hour by hour · 24h
74°
12%
6p
74°
24%
7p
68°
40%
8p
64°
15%
9p
64°
11%
10p
63°
11p
61°
12a
62°
1a
62°
2a
59°
3a
58°
4a
56°
5a
54°
6a
56°
7a
62°
8a
66°
9a
71°
10a
76°
11a
80°
12p
84°
1p
87°
2p
88°
3p
88°
4p
89°
5p
L 54°H 89°
Portland, IA
7-day forecast
  1. Today
    May 16
    Light Drizzle
    46%
    78°57°
  2. Sunday
    May 17
    Light Drizzle
    49%
    73°61°
  3. Monday
    May 18
    Showers
    96%
    70°62°
  4. Tuesday
    May 19
    Rain
    96%
    63°47°
  5. Wednesday
    May 20
    Overcast
    59°45°
  6. Thursday
    May 21
    Light Drizzle
    63°44°
  7. Friday
    May 22
    Drizzle
    54°50°
Portland, IA
Anemometer · 24h winds · from true
NESW
From · True
N
011° · veering 16°
Direction
N
011°
Sustained
6
mph
Gust
10
mph
Peak 24h
17
avg 4
Beaufort · 2 · LIGHT 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 4 · pk 17 @ 11:00p
−24h−18h−12h−6hnow
Light breeze veering 16° from the n.
Portland, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
971.2
-0.4 mb in 3h · steady · 28.68 inHg
Now
971.2
mb
3h
-0.4
mb
12h
-1.0
mb
24h
+3.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 967973
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Portland, IA
Air quality
52
AQI
Moderate
PM 2.5
5.1 μg/m³
PM 10
7.6 μg/m³
NO₂
1.1 μg/m³
Ozone
112.0 μg/m³
UV Index
1.1 Low
Portland, IA
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
10:16 AM
Sunrise
5:47 AM
Daylight
14h 43m
Sunset
8:30 PM
Civil dusk
2:04 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Portland, IA
The moon
New Moon
0% illuminated
Moonrise
10:08 AM
Moonset
12:44 AM
In sign
♉︎ Taurus
Portland, IA
Microseason · 28 of 72
May 16–20

Roses Bloom Along the Shelter Rows

weather
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Portland at a glance

  • Today vs. normal: 5°F above the seasonal normal for this latitude
  • Last frost: May 5 (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

Cool-season window is open

As of May 16, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).

ZIP codes in Portland

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.