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

Weather in Dayton, Oregon

Shoots and Sprouts Rise in Ranks. Day 59 of spring. Read this microseason across nine climate regions →

Dayton, OR
Sunday, May 17 at 3:42 AM
50
°
Overcast
Feels like
46°
Humidity
67%
Wind
4 mph
Sunrise
5:40 AM
Sunset
8:36 PM
Dayton, OR
Hour by hour · 24h
56°
8p
55°
9p
53°
10p
51°
11p
49°
12a
47°
1a
46°
2a
45°
3a
43°
4a
42°
5a
41°
6a
43°
7a
48°
8a
53°
9a
54°
10a
54°
11a
57°
12p
58°
1p
56°
14%
2p
55°
10%
3p
56°
4p
56°
12%
5p
55°
12%
6p
52°
20%
7p
L 41°H 58°
Dayton, OR
7-day forecast
  1. Today
    May 16
    Drizzle
    32%
    58°42°
  2. Sunday
    May 17
    Light Drizzle
    20%
    64°41°
  3. Monday
    May 18
    Overcast
    69°45°
  4. Tuesday
    May 19
    Light Drizzle
    68°43°
  5. Wednesday
    May 20
    Overcast
    71°40°
  6. Thursday
    May 21
    Clear
    81°46°
  7. Friday
    May 22
    Overcast
    75°46°
Dayton, OR
Anemometer · 24h winds · from true
NESW
From · True
NW
324° · veering 101°
Direction
NW
324°
Sustained
4
mph
Gust
13
mph
Peak 24h
19
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 19 @ 7:00p
−24h−18h−12h−6hnow
Light breeze veering 101° from the nw.
Dayton, OR
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1017.5
-0.7 mb in 3h · steady · 30.05 inHg
Now
1017.5
mb
3h
-0.7
mb
12h
-0.3
mb
24h
+1.1
mb
Regime · FAIR
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10161018
−24h−18h−12h−6hnow
Fair, steady air — a quiet anticyclone holds the sky.
Dayton, OR
Air quality
34
AQI
Good
PM 2.5
4.9 μg/m³
PM 10
8.4 μg/m³
NO₂
0.9 μg/m³
Ozone
67.0 μg/m³
UV Index
0.1 Low
Dayton, OR
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
12:08 PM
Sunrise
5:40 AM
Daylight
14h 56m
Sunset
8:36 PM
Civil dusk
4:11 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Dayton, OR
The moon
New Moon
0% illuminated
Moonrise
12:44 PM
Moonset
4:20 AM
In sign
♊︎ Gemini
Dayton, OR
Microseason · 28 of 72
May 16–20

Shoots and Sprouts Rise in Ranks

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Dayton at a glance

  • Today vs. normal: 16°F below the seasonal normal for this latitude
  • Last frost: May 17 (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.