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

Weather in Greencastle, Indiana

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

Greencastle, IN
Sunday, May 17 at 1:44 AM
66
°
Overcast
Feels like
69°
Humidity
91%
Wind
6 mph
Sunrise
6:31 AM
Sunset
8:55 PM
Greencastle, IN
Hour by hour · 24h
60°
9p
56°
10p
53°
11p
52°
12a
51°
1a
49°
2a
48°
3a
48°
4a
48°
5a
48°
6a
48°
7a
52°
8a
53°
30%
9a
49°
60%
10a
52°
57%
11a
57°
13%
12p
59°
1p
61°
2p
65°
3p
67°
4p
69°
5p
70°
6p
70°
7p
69°
8p
L 48°H 70°
Greencastle, IN
7-day forecast
  1. Today
    May 16
    Light Drizzle
    75%
    76°61°
  2. Sunday
    May 17
    Overcast
    15%
    83°62°
  3. Monday
    May 18
    Light Showers
    58%
    80°64°
  4. Tuesday
    May 19
    Showers
    77%
    76°65°
  5. Wednesday
    May 20
    Drizzle
    77%
    65°52°
  6. Thursday
    May 21
    Light Drizzle
    13%
    65°48°
  7. Friday
    May 22
    Drizzle
    17%
    64°52°
Greencastle, IN
Anemometer · 24h winds · from true
NESW
From · True
SSW
194° · veering 40°
Direction
SSW
194°
Sustained
6
mph
Gust
15
mph
Peak 24h
28
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 28 @ 7:00p
−24h−18h−12h−6hnow
Light breeze veering 40° from the ssw.
Greencastle, IN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
983.4
-0.7 mb in 3h · falling · 29.04 inHg
Now
983.4
mb
3h
-0.7
mb
12h
-0.1
mb
24h
+2.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 981985
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Greencastle, IN
Air quality
38
AQI
Good
PM 2.5
6.4 μg/m³
PM 10
7.5 μg/m³
NO₂
5.0 μg/m³
Ozone
80.0 μg/m³
UV Index
0.0 Low
Greencastle, IN
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:03 AM
Sunrise
6:31 AM
Daylight
14h 24m
Sunset
8:55 PM
Civil dusk
1:27 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Greencastle, IN
The moon
New Moon
0% illuminated
Moonrise
10:38 AM
Moonset
1:24 AM
In sign
♉︎ Taurus
Greencastle, IN
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 →

Greencastle at a glance

  • Today vs. normal: 6°F below the seasonal normal for this latitude
  • Last frost: April 14 (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 Greencastle

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.