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

Weather in Dayton, Idaho

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

Dayton, ID
Sunday, May 17 at 1:24 AM
59
°
Overcast
Feels like
48°
Humidity
32%
Wind
16 mph
Sunrise
6:05 AM
Sunset
8:42 PM
Dayton, ID
Hour by hour · 24h
67°
7p
63°
8p
58°
9p
57°
10p
54°
11p
52°
12a
48°
1a
47°
2a
47°
3a
42°
4a
41°
5a
40°
6a
42°
7a
47°
8a
54°
9a
60°
10a
62°
11a
66°
12p
67°
1p
69°
2p
69°
3p
71°
4p
71°
5p
69°
6p
L 40°H 71°
Dayton, ID
7-day forecast
  1. Today
    May 16
    Overcast
    65°42°
  2. Sunday
    May 17
    Overcast
    54°36°
  3. Monday
    May 18
    Overcast
    69%
    54°38°
  4. Tuesday
    May 19
    Light Drizzle
    60°34°
  5. Wednesday
    May 20
    Overcast
    65°39°
  6. Thursday
    May 21
    Overcast
    68°41°
  7. Friday
    May 22
    Overcast
    74°46°
Dayton, ID
Anemometer · 24h winds · from true
NESW
From · True
NW
316° · steady
Direction
NW
316°
Sustained
16
mph
Gust
24
mph
Peak 24h
32
avg 8
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 8 · pk 32 @ 9:00p
−24h−18h−12h−6hnow
Sustained 16 mph with gusts pulsing to 24 — flags snap, branches bend.
Dayton, ID
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
850.9
+0.8 mb in 3h · steady · 25.13 inHg
Now
850.9
mb
3h
+0.8
mb
12h
-2.5
mb
24h
+1.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 847854
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Dayton, ID
Air quality
49
AQI
Good
PM 2.5
4.8 μg/m³
PM 10
9.9 μg/m³
NO₂
0.6 μg/m³
Ozone
104.0 μg/m³
UV Index
0.5 Low
Dayton, ID
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:35 AM
Sunrise
6:05 AM
Daylight
14h 37m
Sunset
8:42 PM
Civil dusk
3:15 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Dayton, ID
The moon
New Moon
0% illuminated
Moonrise
12:11 PM
Moonset
3:19 AM
In sign
♉︎ Taurus
Dayton, 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 →

Dayton at a glance

  • Today vs. normal: 11°F below the seasonal normal for this latitude
  • Last frost: April 29 (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 Dayton

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.