Weather in Ontario, Oregon
High country wildflowers peak. Day 59 of spring. Read this microseason across nine climate regions →
Ontario, OR
Sunday, May 17 at 1:02 AM
58
°
Overcast
Feels like
46°
Humidity
26%
Wind
16 mph
Sunrise
6:20 AM
Sunset
9:08 PM
Ontario, OR
Hour by hour · 24h
73°
7p
71°
8p
68°
9p
63°
10p
59°
11p
57°
12a
55°
1a
54°
2a
52°
3a
50°
4a
49°
5a
48°
6a
48°
7a
52°
8a
55°
9a
58°
10a
61°
11a
63°
12p
65°
1p
67°
2p
69°
3p
71°
4p
72°
5p
72°
6p
Ontario, OR
7-day forecast
- TodayMay 16Overcast—62°47°
- SundayMay 17Overcast—61°43°
- MondayMay 18Overcast—69°40°
- TuesdayMay 19Overcast—74°44°
- WednesdayMay 20Overcast—73°49°
- ThursdayMay 21Mostly Clear—76°46°
- FridayMay 22Overcast—83°53°
Ontario, OR
Next 24 hours · Mild now
Ontario, OR
Anemometer · 24h winds · from true
From · True
N
356° · veering 16°
Direction
N
356°
Sustained
16
mph
Gust
23
mph
Peak 24h
33
avg 12
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
−24h−18h−12h−6hnow
Ontario, OR
Air quality
45
AQI
Good
- PM 2.5
- 2.0 μg/m³
- PM 10
- 2.8 μg/m³
- NO₂
- 0.4 μg/m³
- Ozone
- 100.0 μg/m³
- UV Index
- 0.6 Low
Ontario, OR
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:48 AM
Sunrise
6:20 AM
Daylight
14h 48m
Sunset
9:08 PM
Civil dusk
3:42 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Ontario, OR
The moon
New Moon
0% illuminated
- Moonrise
- 12:24 PM
- Moonset
- 3:49 AM
- In sign
- ♉︎ Taurus
Ontario, OR
Microseason · 28 of 72
May 16–20
High country wildflowers peak
bird
Ontario at a glance
- Today vs. normal: 10°F below the seasonal normal for this latitude
- Last frost: May 10 (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).