Weather in Castlewood, South Dakota
Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →
Castlewood, SD
Sunday, May 17 at 4:11 AM
56
°
Partly Cloudy
Feels like
45°
Humidity
40%
Wind
17 mph
Sunrise
5:58 AM
Sunset
8:50 PM
Castlewood, SD
Hour by hour · 24h
61°
11p
58°
12a
56°
1a
54°
2a
51°
3a
51°
4a
51°
5a
48°
6a
50°
7a
57°
8a
65°
9a
71°
10a
74°
11a
78°
12p
80°
1p
81°
2p
81°
3p
81°
4p
81°
5p
81°
6p
79°
7p
76°
8p
69°
9p
64°
10p
Castlewood, SD
7-day forecast
- TodayMay 16Partly Cloudy—75°44°
- SundayMay 17Heavy Rain64%69°51°
- MondayMay 18Rain73%53°43°
- TuesdayMay 19Heavy Drizzle73%48°39°
- WednesdayMay 20Overcast—64°35°
- ThursdayMay 21Overcast26%66°44°
- FridayMay 22Light Drizzle22%66°53°
Castlewood, SD
Next 24 hours · Cool now
Castlewood, SD
Anemometer · 24h winds · from true
From · True
NE
052° · veering 65°
Direction
NE
052°
Sustained
17
mph
Gust
30
mph
Peak 24h
41
avg 12
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
−24h−18h−12h−6hnow
Castlewood, SD
Air quality
46
AQI
Good
- PM 2.5
- 1.7 μg/m³
- PM 10
- 1.9 μg/m³
- NO₂
- 2.0 μg/m³
- Ozone
- 73.0 μg/m³
- UV Index
- 0.0 Low
Castlewood, SD
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:26 AM
Sunrise
5:58 AM
Daylight
14h 52m
Sunset
8:50 PM
Civil dusk
2:25 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Castlewood, SD
The moon
New Moon
0% illuminated
- Moonrise
- 10:58 AM
- Moonset
- 2:27 AM
- In sign
- ♊︎ Gemini
Castlewood, SD
Microseason · 28 of 72
May 16–20
Roses Bloom Along the Shelter Rows
plant
Castlewood at a glance
- Today vs. normal: 11°F below the seasonal normal for this latitude
- Last frost: May 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
Cool-season window is open
As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).