Weather in Ontario, Ohio
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
Ontario, OH
Sunday, May 17 at 3:56 AM
65
°
Overcast
Feels like
64°
Humidity
89%
Wind
10 mph
Sunrise
6:11 AM
Sunset
8:41 PM
Ontario, OH
Hour by hour · 24h
46°
11p
45°
12a
45°
1a
42°
2a
42°
3a
41°
4a
41°
5a
40°
6a
42°
7a
46°
8a
52°
9a
56°
10a
60°
11a
63°
12p
64°
1p
65°
2p
66°
3p
67°
4p
67°
5p
66°
6p
65°
7p
62°
8p
59°
9p
57°
10p
Ontario, OH
7-day forecast
- TodayMay 16Rain48%71°53°
- SundayMay 17Overcast—81°61°
- MondayMay 18Overcast—86°65°
- TuesdayMay 19Light Drizzle75%80°66°
- WednesdayMay 20Showers75%66°45°
- ThursdayMay 21Overcast11%61°40°
- FridayMay 22Light Drizzle23%57°49°
Ontario, OH
Next 24 hours · Cold now
Ontario, OH
Anemometer · 24h winds · from true
From · True
SW
224° · veering 41°
Direction
SW
224°
Sustained
10
mph
Gust
17
mph
Peak 24h
33
avg 11
Beaufort · 3 · GENTLE 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, OH
Air quality
41
AQI
Good
- PM 2.5
- 3.4 μg/m³
- PM 10
- 3.6 μg/m³
- NO₂
- 7.7 μg/m³
- Ozone
- 67.0 μg/m³
- UV Index
- 0.0 Low
Ontario, OH
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:42 AM
Sunrise
6:11 AM
Daylight
14h 30m
Sunset
8:41 PM
Civil dusk
1:13 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Ontario, OH
The moon
New Moon
0% illuminated
- Moonrise
- 10:16 AM
- Moonset
- 1:11 AM
- In sign
- ♊︎ Gemini
Ontario, OH
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
Ontario at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: April 21 (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
Warm-season window is open
As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.