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

Weather in Preston, Iowa

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

Preston, IA
Sunday, May 17 at 2:37 AM
74
°
Overcast
Feels like
76°
Humidity
69%
Wind
7 mph
Sunrise
5:39 AM
Sunset
8:16 PM
Preston, IA
Hour by hour · 24h
65°
9p
64°
10p
61°
22%
11p
62°
16%
12a
61°
1a
61°
2a
61°
3a
63°
4a
62°
5a
59°
6a
57°
7a
59°
8a
63°
9a
67°
10a
70°
11a
73°
12p
76°
1p
80°
2p
82°
3p
83°
4p
83°
5p
82°
6p
81°
7p
78°
8p
L 57°H 83°
Preston, IA
7-day forecast
  1. Today
    May 16
    Rain
    77%
    82°62°
  2. Sunday
    May 17
    Thunderstorm
    48%
    86°63°
  3. Monday
    May 18
    Thunderstorm
    65%
    82°69°
  4. Tuesday
    May 19
    Showers
    72%
    70°51°
  5. Wednesday
    May 20
    Overcast
    61°43°
  6. Thursday
    May 21
    Overcast
    66°41°
  7. Friday
    May 22
    Overcast
    67°49°
Preston, IA
Anemometer · 24h winds · from true
NESW
From · True
E
092° · veering 102°
Direction
E
092°
Sustained
7
mph
Gust
9
mph
Peak 24h
17
avg 6
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 6 · pk 17 @ 3:00a
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Preston, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
985.8
-1.3 mb in 3h · steady · 29.11 inHg
Now
985.8
mb
3h
-1.3
mb
12h
-2.1
mb
24h
+1.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 984988
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Preston, IA
Air quality
65
AQI
Moderate
PM 2.5
3.4 μg/m³
PM 10
4.2 μg/m³
NO₂
5.7 μg/m³
Ozone
83.0 μg/m³
UV Index
0.0 Low
Preston, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:09 AM
Sunrise
5:39 AM
Daylight
14h 37m
Sunset
8:16 PM
Civil dusk
1:49 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Preston, IA
The moon
New Moon
0% illuminated
Moonrise
10:43 AM
Moonset
1:49 AM
In sign
♊︎ Gemini
Preston, 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 →

Preston at a glance

  • Today vs. normal: 4°F above the seasonal normal for this latitude
  • Last frost: April 28 (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 17, 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 Preston

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.