Weather in Casper, Wyoming
High country wildflowers peak. Day 59 of spring. Read this microseason across nine climate regions →
Casper, WY
Sunday, May 17 at 1:39 AM
67
°
Overcast
Feels like
57°
Humidity
22%
Wind
13 mph
Sunrise
5:41 AM
Sunset
8:22 PM
Casper, WY
Hour by hour · 24h
75°
7p
71°
8p
66°
9p
60°
10p
57°
11p
53°
12a
53°
1a
52°
2a
50°
3a
49°
4a
50°
5a
49°
6a
53°
7a
61°
8a
65°
9a
69°
10a
72°
11a
73°
12p
75°
1p
77°
2p
77°
3p
78°
4p
79°
5p
76°
6p
Casper, WY
7-day forecast
- TodayMay 16Overcast12%79°37°
- SundayMay 17Snow49%60°37°
- MondayMay 18Heavy Snow Shwrs100%36°26°
- TuesdayMay 19Foggy64%42°22°
- WednesdayMay 20Light Drizzle—61°33°
- ThursdayMay 21Light Drizzle17%58°40°
- FridayMay 22Light Drizzle13%70°43°
Casper, WY
Next 24 hours · Mild now
Casper, WY
Anemometer · 24h winds · from true
From · True
ENE
070° · veering 78°
Direction
ENE
070°
Sustained
13
mph
Gust
17
mph
Peak 24h
32
avg 6
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
Casper, WY
Air quality
72
AQI
Moderate
- PM 2.5
- 4.3 μg/m³
- PM 10
- 9.6 μg/m³
- NO₂
- 0.9 μg/m³
- Ozone
- 118.0 μg/m³
- UV Index
- 0.1 Low
Casper, WY
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:10 AM
Sunrise
5:41 AM
Daylight
14h 41m
Sunset
8:22 PM
Civil dusk
2:55 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Casper, WY
The moon
New Moon
0% illuminated
- Moonrise
- 11:45 AM
- Moonset
- 3:00 AM
- In sign
- ♉︎ Taurus
Casper, WY
Microseason · 28 of 72
May 16–20
High country wildflowers peak
bird
Casper at a glance
- Today vs. normal: 67°F — typical for the season
- Last frost: May 3 (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).