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

Weather in Hartville, Wyoming

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

Hartville, WY
Sunday, May 17 at 3:51 AM
58
°
Light Drizzle
Feels like
51°
Humidity
63%
Wind
13 mph
Sunrise
5:36 AM
Sunset
8:14 PM
Hartville, WY
Hour by hour · 24h
67°
9p
63°
10p
60°
11p
59°
12a
58°
1a
55°
2a
53°
3a
51°
4a
49°
5a
49°
6a
55°
7a
64°
8a
69°
9a
72°
10a
73°
11a
74°
12p
76°
1p
78°
2p
81°
3p
81°
4p
80°
5p
79°
6p
78°
7p
74°
8p
L 49°H 81°
Hartville, WY
7-day forecast
  1. Today
    May 16
    Heavy Drizzle
    29%
    77°48°
  2. Sunday
    May 17
    Rain
    48%
    63°44°
  3. Monday
    May 18
    Heavy Snow
    100%
    46°34°
  4. Tuesday
    May 19
    Overcast
    30%
    57°30°
  5. Wednesday
    May 20
    Light Drizzle
    10%
    68°39°
  6. Thursday
    May 21
    Overcast
    34%
    63°47°
  7. Friday
    May 22
    Overcast
    19%
    72°44°
Hartville, WY
Anemometer · 24h winds · from true
NESW
From · True
N
001° · veering 9°
Direction
N
001°
Sustained
13
mph
Gust
17
mph
Peak 24h
25
avg 9
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 9 · pk 25 @ 6:00p
−24h−18h−12h−6hnow
A fresh breeze drives the n-bound air across the harbor.
Hartville, WY
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
845.2
+1.1 mb in 3h · steady · 24.96 inHg
Now
845.2
mb
3h
+1.1
mb
12h
-5.8
mb
24h
-2.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 844853
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Hartville, WY
Air quality
53
AQI
Moderate
PM 2.5
4.1 μg/m³
PM 10
6.5 μg/m³
NO₂
3.7 μg/m³
Ozone
85.0 μg/m³
UV Index
0.0 Low
Hartville, WY
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:05 AM
Sunrise
5:36 AM
Daylight
14h 38m
Sunset
8:14 PM
Civil dusk
2:47 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Hartville, WY
The moon
New Moon
0% illuminated
Moonrise
11:41 AM
Moonset
2:50 AM
In sign
♊︎ Gemini
Hartville, 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 →

Hartville at a glance

  • Today vs. normal: 11°F below the seasonal normal for this latitude
  • Last frost: April 30 (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 Hartville

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.