10-day forecast for Ontario on the Lake, NY: 59° to 84°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
82°
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° / 71°0.19
Morning73°feels 74°
Afternoon78°feels 79°
Evening77°feels 78°
Overnight72°feels 72°
84 °
Ontario on the Lake, Monday, 10 August
Light rain. High 84°, low 71°.
Pressure29.91 inHg
Wind5.5 mph W
Humidity75%
Visibility6.2 mi
Dew point66°
Tue, 1178° / 68°0.02
Morning70°feels 71°
Afternoon75°feels 76°
Evening74°feels 74°
Overnight73°feels 74°
78 °
Ontario on the Lake, Tuesday, 11 August
Light rain. High 78°, low 68°.
Pressure29.88 inHg
Wind7.2 mph NW
Humidity70%
Visibility6.2 mi
Dew point64°
Wed, 1276° / 67°0.1
Morning69°feels 68°
Afternoon75°feels 75°
Evening70°feels 71°
Overnight69°feels 68°
76 °
Ontario on the Lake, Wednesday, 12 August
Light rain. High 76°, low 67°.
Pressure29.80 inHg
Wind5.9 mph E
Humidity53%
Visibility6.2 mi
Dew point56°
Thu, 1372° / 66°0.02
Morning66°feels 66°
Afternoon71°feels 70°
Evening69°feels 68°
Overnight69°feels 70°
72 °
Ontario on the Lake, Thursday, 13 August
Light rain. High 72°, low 66°.
Pressure29.85 inHg
Wind24.5 mph NW
Humidity59%
Visibility6.2 mi
Dew point54°
Fri, 1471° / 62°0
Morning65°feels 64°
Afternoon68°feels 67°
Evening70°feels 69°
Overnight66°feels 65°
71 °
Ontario on the Lake, Friday, 14 August
Light rain. High 71°, low 62°.
Pressure30.09 inHg
Wind19.4 mph N
Humidity52%
Visibility—
Dew point49°
Sat, 1568° / 62°0
Morning64°feels 63°
Afternoon67°feels 65°
Evening67°feels 66°
Overnight64°feels 63°
68 °
Ontario on the Lake, Saturday, 15 August
Clear. High 68°, low 62°.
Pressure30.27 inHg
Wind15.1 mph N
Humidity53%
Visibility—
Dew point48°
Sun, 1667° / 60°0
Morning63°feels 61°
Afternoon66°feels 65°
Evening65°feels 64°
Overnight61°feels 60°
67 °
Ontario on the Lake, Sunday, 16 August
Overcast. High 67°, low 60°.
Pressure30.15 inHg
Wind9.3 mph SW
Humidity54%
Visibility—
Dew point49°
Mon, 1770° / 59°0
Morning64°feels 64°
Afternoon69°feels 68°
Evening68°feels 68°
Overnight68°feels 67°
70 °
Ontario on the Lake, Monday, 17 August
Clear. High 70°, low 59°.
Pressure29.97 inHg
Wind8.4 mph NW
Humidity63%
Visibility—
Dew point55°
Tue, 1871° / 66°0
Morning67°feels 67°
Afternoon71°feels 71°
Evening70°feels 70°
Overnight68°feels 68°
71 °
Ontario on the Lake, Tuesday, 18 August
Light rain. High 71°, low 66°.
Pressure29.97 inHg
Wind9.6 mph SE
Humidity67%
Visibility—
Dew point59°
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 on the Lake, 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.