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

Weather in Derby, Kansas

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

Derby, KS
Sunday, May 17 at 4:54 AM
77
°
Clear
Feels like
73°
Humidity
59%
Wind
18 mph
Sunrise
6:18 AM
Sunset
8:32 PM
Derby, KS
Hour by hour · 24h
80°
11p
80°
12a
78°
1a
76°
2a
74°
3a
72°
4a
70°
5a
69°
6a
69°
7a
71°
8a
73°
9a
76°
10a
81°
11a
84°
12p
86°
1p
89°
2p
90°
3p
87°
4p
84°
5p
82°
6p
83°
7p
81°
8p
77°
9p
78°
10p
L 69°H 90°
Derby, KS
7-day forecast
  1. Today
    May 16
    Thunderstorm
    —
    93°71°
  2. Sunday
    May 17
    Thunderstorm
    18%
    89°71°
  3. Monday
    May 18
    Thunderstorm
    63%
    91°75°
  4. Tuesday
    May 19
    Light Showers
    77%
    78°54°
  5. Wednesday
    May 20
    Light Drizzle
    10%
    72°50°
  6. Thursday
    May 21
    Light Drizzle
    42%
    71°56°
  7. Friday
    May 22
    Light Drizzle
    30%
    74°59°
Derby, KS
Next 24 hours · Mild now
HOT 90°64°79°94°12a6a12p6pnow 80°high 90°low 69°
Derby, KS
Anemometer · 24h winds · from true
NESW
From · True
S
179° · backing 17°
Direction
S
179°
Sustained
18
mph
Gust
36
mph
Peak 24h
41
avg 18
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 18 · pk 41 @ 11:00p
−24h−18h−12h−6hnow
Sustained 18 mph with gusts pulsing to 36 — flags snap, branches bend.
Derby, KS
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
956.5
+0.5 mb in 3h · steady · 28.25 inHg
Now
956.5
mb
3h
+0.5
mb
12h
-2.7
mb
24h
-1.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 956–961
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Derby, KS
Air quality
49
AQI
Good
PM 2.5
5.5 μg/m³
PM 10
6.7 μg/m³
NO₂
2.3 μg/m³
Ozone
95.0 μg/m³
UV Index
0.0 Low
Derby, KS
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:50 AM
Sunrise
6:18 AM
Daylight
14h 14m
Sunset
8:32 PM
Civil dusk
2:02 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Derby, KS
The moon
New Moon
0% illuminated
Moonrise
11:28 AM
Moonset
2:02 AM
In sign
♊︎ Gemini
Derby, KS
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 →

Derby at a glance

  • Today vs. normal: 3°F above the seasonal normal for this latitude
  • Last frost: April 1 (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 Kansas →

ZIP codes in Derby

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.