New York, NY 75° Los Angeles, CA 92° Chicago, IL 80° Houston, TX 83° Miami, FL 87° Phoenix, AZ 113° 🌤️ Seattle, WA Denver, CO 92° Toronto, ON 78° Vancouver, BC 82°
WeatherLiveNew YorkOntario

Ontario, NY Weather (14520)

ZIP codes: 14520 · 14519
Current WeatherOntario · 7:51 PM EDT
76° | 58°
74°F
Feels like 76°
Sunny
WindE 3 mph · Gusts 3 mph
Precip11% · –
Humidity60% · Dew point 60°
UV index5 Moderate
Air Quality47 Good
Pressure30.03 inHg
Visibility6 mi
Sunrise / Sunset6:20 AM · 8:04 PM · 13h 44m

Weather map — Ontario

Full radar →
Now
74°
3%
3 mph
20:00
66°
4%
3 mph
21:00
64°
6%
3 mph
22:00
63°
6%
4 mph
23:00
62°
8%
5 mph
00:00
60°
9%
6 mph
01:00
60°
9%
6 mph
02:00
59°
10%
6 mph
03:00
58°
10%
6 mph
04:00
57°
13%
7 mph
05:00
56°
15%
7 mph
06:00
61°
18%
7 mph
07:00
61°
14%
6 mph
08:00
62°
12%
4 mph
09:00
64°
13%
3 mph
10:00
67°
11%
1 mph
11:00
69°
12%
2 mph
12:00
71°
7%
5 mph
13:00
72°
2%
8 mph
14:00
71°
3%
10 mph
15:00
72°
3%
11 mph
16:00
72°
2%
11 mph
17:00
73°
2%
11 mph
18:00
73°
3%
11 mph

Today · Thu 8/20

High 76°
11% / –

Sunny. Winds NW at 9 mph.

Tonight · Thu 8/20

Low 56°
6% / –

Sunny. Winds SE at 3 mph.

Tomorrow · Fri 8/21

73° | 56°
6% / –

Sunny. Winds E at 12 mph.

7-day trend

Ontario · temperature + precipitation

10-day forecast

Updated 7:51 PM

Details & indices

Wind
3 mph E
Gusts 3 mph
Humidity
60%
Dew point 60°
Pressure
30.03 inHg
Rising
UV index
5 — Moderate
High today
Air Quality
Good
AQI 47 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Ontario

🌿 Conditions right now

View all →
Birch
None
Grass
High
Oak
None
Alder
None
Hazel
None
Mugwort
Very high
Ragweed
Moderate

Sun & moon

Sunrise6:20 AM
Sunset8:04 PM
Length of day13h 44m
Moonrise3:13 PM
Moonset11:43 PM
Next full moonAug 28 Sturgeon Moon
Latitude43.2209°N
Longitude-77.2830°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
New York
Light rain
75°
🌤️
Brooklyn
Queens
Drizzle
76°
🌤️
Manhattan
🌤️
The Bronx
Staten Island
Light rain
74°
Data sources · Thursday, August 20
Where the Ontario forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 43.2209°N, -77.2830°.
NBM + global weather models
Updated: 7:51 PM
Weather in Ontario
Over the next 10 days Ontario tops out around 80° (Saturday) and dips to 56° on the coolest night (Tuesday). Models drop roughly 1.8 in of precipitation across the stretch — watch Friday (91%). Expect a blustery spell — gusts near 26 mph on Saturday. No active NWS alerts at the moment — quiet on the hazards front. Right now Ontario is running about 9° warmer than Rochester. Longer view: classic Northeast mix — nor'easters, humid spells and a glorious fall.
Ontario, NY · Elev 440 ft · 43.22°N, 77.28°W · New York · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 7:51 PM