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Weather in Oskaloosa, Iowa

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

Oskaloosa, IA
Sunday, May 17 at 4:55 AM
63
°
Heavy Rain
Feels like
56°
Humidity
87%
Wind
24 mph
Sunrise
5:50 AM
Sunset
8:23 PM
Oskaloosa, IA
Hour by hour · 24h
66°
11p
66°
12a
66°
13%
1a
66°
2a
64°
3a
62°
4a
58°
5a
58°
6a
59°
7a
63°
8a
67°
9a
72°
10a
74°
11a
78°
12p
80°
1p
83°
2p
84°
3p
85°
4p
85°
5p
83°
6p
84°
7p
80°
8p
77°
9p
75°
21%
10p
L 58°H 85°
Oskaloosa, IA
7-day forecast
  1. Today
    May 16
    Heavy Rain
    77%
    83°61°
  2. Sunday
    May 17
    Thunderstorm
    72%
    81°63°
  3. Monday
    May 18
    Showers
    65%
    80°66°
  4. Tuesday
    May 19
    Showers
    87%
    64°47°
  5. Wednesday
    May 20
    Overcast
    61°41°
  6. Thursday
    May 21
    Overcast
    64°47°
  7. Friday
    May 22
    Overcast
    10%
    66°53°
Oskaloosa, IA
Anemometer · 24h winds · from true
NESW
From · True
ESE
110° · backing 22°
Direction
ESE
110°
Sustained
24
mph
Gust
39
mph
Peak 24h
43
avg 10
Beaufort · 5 · FRESH 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 10 · pk 43 @ 2:00a
−24h−18h−12h−6hnow
Sustained 24 mph with gusts pulsing to 39 — flags snap, branches bend.
Oskaloosa, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
979.4
+0.7 mb in 3h · falling · 28.92 inHg
Now
979.4
mb
3h
+0.7
mb
12h
+0.6
mb
24h
+2.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 977980
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Oskaloosa, IA
Air quality
45
AQI
Good
PM 2.5
4.6 μg/m³
PM 10
5.1 μg/m³
NO₂
3.2 μg/m³
Ozone
82.0 μg/m³
UV Index
0.0 Low
Oskaloosa, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:20 AM
Sunrise
5:50 AM
Daylight
14h 33m
Sunset
8:23 PM
Civil dusk
1:55 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Oskaloosa, IA
The moon
New Moon
0% illuminated
Moonrise
10:55 AM
Moonset
1:55 AM
In sign
♊︎ Gemini
Oskaloosa, 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 →

Oskaloosa at a glance

  • Today vs. normal: 7°F below the seasonal normal for this latitude
  • Last frost: April 24 (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 Oskaloosa

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.