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

Weather in New Castle, Kentucky

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

New Castle, KY
Sunday, May 17 at 5:14 AM
64
°
Overcast
Feels like
68°
Humidity
91%
Wind
1 mph
Sunrise
6:27 AM
Sunset
8:46 PM
New Castle, KY
Hour by hour · 24h
51°
1a
48°
2a
45°
3a
44°
4a
43°
5a
43°
6a
42°
7a
49°
8a
54°
9a
58°
10a
63°
11a
65°
12p
67°
13%
1p
70°
2p
71°
3p
72°
4p
73°
5p
72°
6p
69°
7p
69°
8p
66°
9p
63°
10p
62°
11p
61°
12a
L 42°H 73°
New Castle, KY
7-day forecast
  1. Today
    May 17
    Overcast
    23%
    88°62°
  2. Monday
    May 18
    Overcast
    90°65°
  3. Tuesday
    May 19
    Showers
    63%
    78°64°
  4. Wednesday
    May 20
    Showers
    62%
    66°56°
  5. Thursday
    May 21
    Light Drizzle
    20%
    64°51°
  6. Friday
    May 22
    Light Drizzle
    40%
    71°54°
  7. Saturday
    May 23
    Light Drizzle
    51%
    74°66°
New Castle, KY
Anemometer · 24h winds · from true
NESW
From · True
ESE
117° · backing 78°
Direction
ESE
117°
Sustained
1
mph
Gust
6
mph
Peak 24h
28
avg 6
Beaufort · 1 · LIGHT AIR
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 28 @ 9:00a
−24h−18h−12h−6hnow
Light breeze backing 78° from the ese.
New Castle, KY
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
985.3
-0.2 mb in 3h · rising · 29.10 inHg
Now
985.3
mb
3h
-0.2
mb
12h
-1.6
mb
24h
+0.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 985988
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
New Castle, KY
Air quality
44
AQI
Good
PM 2.5
8.4 μg/m³
PM 10
8.8 μg/m³
NO₂
3.8 μg/m³
Ozone
83.0 μg/m³
UV Index
0.0 Low
New Castle, KY
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:00 AM
Sunrise
6:27 AM
Daylight
14h 19m
Sunset
8:46 PM
Civil dusk
1:16 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
New Castle, KY
The moon
New Moon
0% illuminated
Moonrise
10:35 AM
Moonset
1:13 AM
In sign
♊︎ Gemini
New Castle, KY
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 →

New Castle at a glance

  • Today vs. normal: 9°F below the seasonal normal for this latitude
  • Last frost: April 7 (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 New Castle

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.