10-day forecast for Ontario, NY: 60° to 85°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
85°
Best day: Sunday, August 9
84° · 0.19 in
Worst day: Monday, August 10
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1084° / 69°0.19
Morning74°feels 74°
Afternoon78°feels 79°
Evening77°feels 79°
Overnight70°feels 70°
84 °
Ontario, Monday, 10 August
Rain. High 84°, low 69°.
Pressure29.91 inHg
Wind9.6 mph S
Humidity93%
Visibility6.2 mi
Dew point65°
Tue, 1176° / 68°0.02
Morning69°feels 70°
Afternoon75°feels 75°
Evening73°feels 72°
Overnight70°feels 71°
76 °
Ontario, Tuesday, 11 August
Light rain. High 76°, low 68°.
Pressure29.88 inHg
Wind15.3 mph NW
Humidity55%
Visibility6.2 mi
Dew point58°
Wed, 1276° / 66°0.04
Morning66°feels 66°
Afternoon76°feels 76°
Evening69°feels 69°
Overnight70°feels 69°
76 °
Ontario, Wednesday, 12 August
Light rain. High 76°, low 66°.
Pressure29.74 inHg
Wind4.9 mph E
Humidity54%
Visibility6.2 mi
Dew point57°
Thu, 1369° / 65°0.04
Morning66°feels 66°
Afternoon67°feels 66°
Evening67°feels 66°
Overnight67°feels 67°
69 °
Ontario, Thursday, 13 August
Light rain. High 69°, low 65°.
Pressure29.83 inHg
Wind21.4 mph NW
Humidity58%
Visibility—
Dew point52°
Fri, 1467° / 60°0.02
Morning63°feels 62°
Afternoon67°feels 66°
Evening67°feels 65°
Overnight64°feels 63°
67 °
Ontario, Friday, 14 August
Light rain. High 67°, low 60°.
Pressure30.06 inHg
Wind17.9 mph NW
Humidity55%
Visibility—
Dew point49°
Sat, 1571° / 62°0
Morning65°feels 64°
Afternoon69°feels 67°
Evening69°feels 68°
Overnight67°feels 66°
71 °
Ontario, Saturday, 15 August
Clear. High 71°, low 62°.
Pressure30.21 inHg
Wind16.4 mph NW
Humidity47%
Visibility—
Dew point47°
Sun, 1671° / 60°0
Morning64°feels 63°
Afternoon71°feels 70°
Evening68°feels 67°
Overnight65°feels 64°
71 °
Ontario, Sunday, 16 August
Overcast. High 71°, low 60°.
Pressure30.15 inHg
Wind9.7 mph W
Humidity58%
Visibility—
Dew point54°
Mon, 1771° / 64°0.01
Morning66°feels 66°
Afternoon70°feels 70°
Evening66°feels 66°
Overnight64°feels 64°
71 °
Ontario, Monday, 17 August
Light rain. High 71°, low 64°.
Pressure30.00 inHg
Wind6.8 mph N
Humidity66%
Visibility—
Dew point58°
Tue, 1870° / 63°0
Morning67°feels 66°
Afternoon69°feels 69°
Evening66°feels 65°
Overnight64°feels 64°
70 °
Ontario, Tuesday, 18 August
Partly cloudy. High 70°, low 63°.
Pressure30.09 inHg
Wind9.5 mph N
Humidity68%
Visibility—
Dew point58°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Ontario, NY around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.