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Weather in Ashton, South Dakota

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

Ashton, SD
Sunday, May 17 at 5:24 AM
55
°
Overcast
Feels like
46°
Humidity
46%
Wind
14 mph
Sunrise
6:02 AM
Sunset
8:58 PM
Ashton, SD
Hour by hour · 24h
57°
12a
53°
1a
50°
2a
50°
3a
48°
4a
47°
5a
45°
6a
45°
7a
53°
8a
62°
9a
69°
10a
74°
11a
77°
12p
79°
1p
81°
2p
82°
3p
82°
4p
82°
5p
81°
6p
80°
7p
76°
8p
69°
9p
63°
10p
60°
11p
L 45°H 82°
Ashton, SD
7-day forecast
  1. Today
    May 17
    Rain
    47%
    72°51°
  2. Monday
    May 18
    Rain
    76%
    51°39°
  3. Tuesday
    May 19
    Light Drizzle
    76%
    52°40°
  4. Wednesday
    May 20
    Light Showers
    68°36°
  5. Thursday
    May 21
    Light Drizzle
    18%
    64°49°
  6. Friday
    May 22
    Overcast
    24%
    74°49°
  7. Saturday
    May 23
    Overcast
    24%
    81°53°
Ashton, SD
Anemometer · 24h winds · from true
NESW
From · True
ENE
057° · veering 113°
Direction
ENE
057°
Sustained
14
mph
Gust
27
mph
Peak 24h
28
avg 10
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 10 · pk 28 @ 1:00a
−24h−18h−12h−6hnow
Sustained 14 mph with gusts pulsing to 27 — flags snap, branches bend.
Ashton, SD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
961.8
+0.8 mb in 3h · falling · 28.40 inHg
Now
961.8
mb
3h
+0.8
mb
12h
-3.5
mb
24h
-0.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 959967
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Ashton, SD
Air quality
46
AQI
Good
PM 2.5
1.5 μg/m³
PM 10
1.7 μg/m³
NO₂
1.9 μg/m³
Ozone
73.0 μg/m³
UV Index
0.0 Low
Ashton, SD
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:30 AM
Sunrise
6:02 AM
Daylight
14h 56m
Sunset
8:58 PM
Civil dusk
2:32 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Ashton, SD
The moon
New Moon
0% illuminated
Moonrise
11:03 AM
Moonset
2:35 AM
In sign
♊︎ Gemini
Ashton, SD
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 →

Ashton at a glance

  • Today vs. normal: 12°F below the seasonal normal for this latitude
  • Last frost: May 16 (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).

ZIP codes in Ashton

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.