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

Weather in Unionville, Montana

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

Unionville, MT
Sunday, May 17 at 1:49 AM
41
°
Overcast
Feels like
32°
Humidity
44%
Wind
10 mph
Sunrise
5:52 AM
Sunset
8:56 PM
Unionville, MT
Hour by hour · 24h
55°
7p
53°
8p
50°
9p
47°
10p
46°
11p
45°
12a
44°
1a
44°
2a
43°
3a
43°
4a
42°
5a
41°
6a
42°
7a
44°
8a
46°
9a
49°
10a
52°
11a
54°
12p
56°
1p
56°
2p
57°
3p
57°
4p
56°
5p
56°
6p
L 41°H 57°
Unionville, MT
7-day forecast
  1. Today
    May 16
    Light Snow
    39%
    45°34°
  2. Sunday
    May 17
    Snow
    36%
    39°31°
  3. Monday
    May 18
    Light Drizzle
    54°30°
  4. Tuesday
    May 19
    Overcast
    62°34°
  5. Wednesday
    May 20
    Light Snow Shwrs
    44%
    56°37°
  6. Thursday
    May 21
    Overcast
    22%
    63°35°
  7. Friday
    May 22
    Overcast
    33%
    72°44°
Unionville, MT
Anemometer · 24h winds · from true
NESW
From · True
WNW
294° · veering 28°
Direction
WNW
294°
Sustained
10
mph
Gust
20
mph
Peak 24h
27
avg 9
Beaufort · 3 · GENTLE 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 27 @ 1:00a
−24h−18h−12h−6hnow
Light breeze veering 28° from the wnw.
Unionville, MT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
847.9
+0.7 mb in 3h · falling · 25.04 inHg
Now
847.9
mb
3h
+0.7
mb
12h
+1.7
mb
24h
+1.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 846848
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Unionville, MT
Air quality
42
AQI
Good
PM 2.5
2.5 μg/m³
PM 10
2.9 μg/m³
NO₂
1.1 μg/m³
Ozone
89.0 μg/m³
UV Index
0.3 Low
Unionville, MT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:18 AM
Sunrise
5:52 AM
Daylight
15h 04m
Sunset
8:56 PM
Civil dusk
3:33 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Unionville, MT
The moon
New Moon
0% illuminated
Moonrise
11:52 AM
Moonset
3:40 AM
In sign
♉︎ Taurus
Unionville, MT
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 →

Unionville at a glance

  • Today vs. normal: 24°F below the seasonal normal for this latitude
  • Last frost: May 25 (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 Unionville

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.