Weather in Greybull, Wyoming
High country wildflowers peak. Day 59 of spring. Read this microseason across nine climate regions →
Greybull, WY
Sunday, May 17 at 2:52 AM
63
°
Overcast
Feels like
56°
Humidity
22%
Wind
6 mph
Sunrise
5:43 AM
Sunset
8:34 PM
Greybull, WY
Hour by hour · 24h
70°
8p
64°
9p
60°
10p
58°
11p
57°
12a
55°
1a
53°
2a
50°
3a
47°
4a
45°
5a
43°
6a
46°
7a
52°
8a
58°
9a
64°
10a
68°
11a
70°
12p
72°
1p
72°
2p
75°
3p
74°
4p
74°
5p
74°
6p
71°
7p
Greybull, WY
7-day forecast
- TodayMay 16Overcast—74°42°
- SundayMay 17Overcast—60°41°
- MondayMay 18Overcast22%51°38°
- TuesdayMay 19Overcast—65°38°
- WednesdayMay 20Heavy Drizzle—67°49°
- ThursdayMay 21Showers—63°45°
- FridayMay 22Light Drizzle—72°52°
Greybull, WY
Next 24 hours · Mild now
Greybull, WY
Anemometer · 24h winds · from true
From · True
NW
309° · veering 95°
Direction
NW
309°
Sustained
6
mph
Gust
17
mph
Peak 24h
36
avg 8
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
−24h−18h−12h−6hnow
Greybull, WY
Air quality
58
AQI
Moderate
- PM 2.5
- 6.1 μg/m³
- PM 10
- 13.2 μg/m³
- NO₂
- 0.9 μg/m³
- Ozone
- 101.0 μg/m³
- UV Index
- 0.1 Low
Greybull, WY
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:11 AM
Sunrise
5:43 AM
Daylight
14h 51m
Sunset
8:34 PM
Civil dusk
3:08 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Greybull, WY
The moon
New Moon
0% illuminated
- Moonrise
- 11:45 AM
- Moonset
- 3:13 AM
- In sign
- ♊︎ Gemini
Greybull, WY
Microseason · 28 of 72
May 16–20
High country wildflowers peak
bird
Greybull at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: May 13 (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).