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

Weather in Troy, Idaho

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

Troy, ID
Sunday, May 17 at 5:07 AM
37
°
Partly Cloudy
Feels like
32°
Humidity
92%
Wind
4 mph
Sunrise
5:10 AM
Sunset
8:16 PM
Troy, ID
Hour by hour · 24h
49°
22%
10p
48°
11%
11p
46°
12%
12a
47°
1a
44°
2a
42°
3a
41°
4a
39°
5a
40°
6a
44°
7a
47°
8a
48°
9a
50°
10a
51°
11a
53°
12p
54°
1p
54°
2p
55°
3p
55°
4p
52°
5p
51°
6p
50°
7p
48°
8p
46°
9p
L 39°H 55°
Troy, ID
7-day forecast
  1. Today
    May 16
    Light Snow
    47%
    48°37°
  2. Sunday
    May 17
    Rain
    23%
    57°37°
  3. Monday
    May 18
    Heavy Drizzle
    13%
    59°40°
  4. Tuesday
    May 19
    Light Drizzle
    60°39°
  5. Wednesday
    May 20
    Light Drizzle
    61°38°
  6. Thursday
    May 21
    Overcast
    68°41°
  7. Friday
    May 22
    Overcast
    70°45°
Troy, ID
Anemometer · 24h winds · from true
NESW
From · True
SSE
149° · backing 115°
Direction
SSE
149°
Sustained
4
mph
Gust
4
mph
Peak 24h
26
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
avg 8 · pk 26 @ 10:00a
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Troy, ID
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
926.7
+0.1 mb in 3h · steady · 27.37 inHg
Now
926.7
mb
3h
+0.1
mb
12h
-0.4
mb
24h
+1.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 926928
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Troy, ID
Air quality
39
AQI
Good
PM 2.5
1.4 μg/m³
PM 10
1.5 μg/m³
NO₂
2.9 μg/m³
Ozone
74.0 μg/m³
UV Index
0.0 Low
Troy, ID
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:36 AM
Sunrise
5:10 AM
Daylight
15h 06m
Sunset
8:16 PM
Civil dusk
3:52 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Troy, ID
The moon
New Moon
0% illuminated
Moonrise
12:10 PM
Moonset
4:01 AM
In sign
♊︎ Gemini
Troy, ID
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: 28°F below the seasonal normal for this latitude
  • Last frost: May 26 (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.