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

Weather in Etna, Wyoming

High country wildflowers peak. Day 59 of spring. Read this microseason across nine climate regions →

Etna, WY
Sunday, May 17 at 3:59 AM
43
°
Clear
Feels like
35°
Humidity
35%
Wind
5 mph
Sunrise
5:59 AM
Sunset
8:41 PM
Etna, WY
Hour by hour · 24h
53°
9p
49°
10p
48°
11p
46°
12a
44°
1a
43°
2a
41°
3a
37°
4a
33°
5a
33°
6a
34°
7a
40°
8a
50°
9a
55°
10a
59°
11a
61°
12p
63°
1p
64°
2p
64°
3p
64°
4p
64°
5p
62°
6p
61°
7p
57°
8p
L 33°H 64°
Etna, WY
7-day forecast
  1. Today
    May 16
    Overcast
    60°29°
  2. Sunday
    May 17
    Overcast
    14%
    50°32°
  3. Monday
    May 18
    Light Drizzle
    33%
    50°31°
  4. Tuesday
    May 19
    Light Drizzle
    22%
    54°27°
  5. Wednesday
    May 20
    Light Drizzle
    15%
    59°35°
  6. Thursday
    May 21
    Partly Cloudy
    12%
    63°32°
  7. Friday
    May 22
    Overcast
    22%
    68°39°
Etna, WY
Anemometer · 24h winds · from true
NESW
From · True
S
187° · backing 44°
Direction
S
187°
Sustained
5
mph
Gust
20
mph
Peak 24h
22
avg 7
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 7 · pk 22 @ 11:00p
−24h−18h−12h−6hnow
Light breeze backing 44° from the s.
Etna, WY
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
817.9
+1.4 mb in 3h · falling · 24.15 inHg
Now
817.9
mb
3h
+1.4
mb
12h
-1.9
mb
24h
+3.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 813821
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Etna, WY
Air quality
49
AQI
Good
PM 2.5
1.7 μg/m³
PM 10
2.6 μg/m³
NO₂
0.6 μg/m³
Ozone
109.0 μg/m³
UV Index
0.0 Low
Etna, WY
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:28 AM
Sunrise
5:59 AM
Daylight
14h 42m
Sunset
8:41 PM
Civil dusk
3:15 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Etna, WY
The moon
New Moon
0% illuminated
Moonrise
12:03 PM
Moonset
3:19 AM
In sign
♊︎ Gemini
Etna, WY
Microseason · 28 of 72
May 16–20

High country wildflowers peak

bird
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Etna at a glance

  • Today vs. normal: 26°F below the seasonal normal for this latitude
  • Last frost: May 4 (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 Etna

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.