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

Weather in Troy, Montana

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

Troy, MT
Sunday, May 17 at 4:01 AM
45
°
Partly Cloudy
Feels like
41°
Humidity
68%
Wind
4 mph
Sunrise
6:01 AM
Sunset
9:18 PM
Troy, MT
Hour by hour · 24h
54°
10p
51°
11p
52°
10%
12a
52°
15%
1a
52°
17%
2a
50°
3a
48°
4a
46°
5a
45°
6a
46°
7a
49°
8a
52°
9a
53°
10a
55°
11a
57°
12p
59°
1p
60°
2p
59°
11%
3p
58°
10%
4p
58°
12%
5p
55°
6p
55°
16%
7p
49°
25%
8p
49°
21%
9p
L 45°H 60°
Troy, MT
7-day forecast
  1. Today
    May 16
    Light Drizzle
    43%
    53°43°
  2. Sunday
    May 17
    Rain
    27%
    63°39°
  3. Monday
    May 18
    Light Drizzle
    19%
    63°42°
  4. Tuesday
    May 19
    Light Showers
    18%
    63°46°
  5. Wednesday
    May 20
    Light Snow Shwrs
    13%
    67°44°
  6. Thursday
    May 21
    Overcast
    20%
    73°45°
  7. Friday
    May 22
    Overcast
    20%
    77°51°
Troy, MT
Anemometer · 24h winds · from true
NESW
From · True
S
180° · veering 133°
Direction
S
180°
Sustained
4
mph
Gust
8
mph
Peak 24h
21
avg 4
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 4 · pk 21 @ 3:00p
−24h−18h−12h−6hnow
Light breeze veering 133° from the s.
Troy, MT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
948.9
+0.4 mb in 3h · steady · 28.02 inHg
Now
948.9
mb
3h
+0.4
mb
12h
+0.7
mb
24h
+2.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 947949
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Troy, MT
Air quality
38
AQI
Good
PM 2.5
1.0 μg/m³
PM 10
1.2 μg/m³
NO₂
2.6 μg/m³
Ozone
72.0 μg/m³
UV Index
0.0 Low
Troy, MT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:25 AM
Sunrise
6:01 AM
Daylight
15h 17m
Sunset
9:18 PM
Civil dusk
3:57 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Troy, MT
The moon
New Moon
0% illuminated
Moonrise
11:56 AM
Moonset
4:06 AM
In sign
♊︎ Gemini
Troy, 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 →

Troy at a glance

  • Today vs. normal: 18°F below the seasonal normal for this latitude
  • Last frost: June 6 (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 Troy

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.