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Weather in Hillsboro, Iowa

Roses open on the Piedmont edge. Day 58 of spring. Read this microseason across nine climate regions →

Hillsboro, IA
Saturday, May 16 at 11:56 PM
76
°
Partly Cloudy
Feels like
78°
Humidity
65%
Wind
6 mph
Sunrise
5:48 AM
Sunset
8:18 PM
Hillsboro, IA
Hour by hour · 24h
75°
6p
73°
7p
70°
8p
68°
9p
67°
10p
65°
11p
65°
12a
65°
12%
1a
58°
24%
2a
58°
40%
3a
59°
28%
4a
57°
5a
57°
6a
57°
7a
60°
8a
63°
9a
67°
10a
71°
11a
74°
12p
77°
1p
78°
2p
80°
3p
82°
4p
82°
5p
L 57°H 82°
Hillsboro, IA
7-day forecast
  1. Today
    May 16
    Heavy Rain
    45%
    80°62°
  2. Sunday
    May 17
    Heavy Rain
    57%
    84°62°
  3. Monday
    May 18
    Thunderstorm
    83%
    83°63°
  4. Tuesday
    May 19
    Showers
    68%
    71°50°
  5. Wednesday
    May 20
    Overcast
    61°42°
  6. Thursday
    May 21
    Overcast
    64°46°
  7. Friday
    May 22
    Overcast
    66°54°
Hillsboro, IA
Anemometer · 24h winds · from true
NESW
From · True
S
173° · backing 20°
Direction
S
173°
Sustained
6
mph
Gust
14
mph
Peak 24h
36
avg 9
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 9 · pk 36 @ 9:00p
−24h−18h−12h−6hnow
Light breeze backing 20° from the s.
Hillsboro, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
983.4
-0.6 mb in 3h · rising rapidly · 29.04 inHg
Now
983.4
mb
3h
-0.6
mb
12h
-0.9
mb
24h
+2.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 980986
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Hillsboro, IA
Air quality
47
AQI
Good
PM 2.5
5.1 μg/m³
PM 10
6.1 μg/m³
NO₂
2.1 μg/m³
Ozone
91.0 μg/m³
UV Index
0.3 Low
Hillsboro, IA
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
10:18 AM
Sunrise
5:48 AM
Daylight
14h 30m
Sunset
8:18 PM
Civil dusk
1:50 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Hillsboro, IA
The moon
New Moon
0% illuminated
Moonrise
10:10 AM
Moonset
12:31 AM
In sign
♉︎ Taurus
Hillsboro, IA
Microseason · 28 of 72
May 16–20

Roses open on the Piedmont edge

weather
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Hillsboro at a glance

  • Today vs. normal: 5°F above the seasonal normal for this latitude
  • Last frost: April 21 (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 16, 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 Hillsboro

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.