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Ontario

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Ontario weather essentials

Monthly Averages
Month
High
Low
Precip
Dec
37°F 2°C
25°F -3°C
1 in 4 cm
Jan
37°F 2°C
25°F -3°C
2 in 4 cm
Feb
42°F 5°C
26°F -3°C
1 in 2 cm
Mar
52°F 11°C
32°F 0°C
1 in 2 cm
Apr
59°F 15°C
36°F 2°C
1 in 3 cm
May
69°F 20°C
44°F 6°C
1 in 3 cm

Extended Forecast
Friday
25 Dec
Hi:
27°F -2°C
Lo:
13°F -10°C
Saturday
26 Dec
Hi:
27°F -2°C
Lo:
13°F -10°C
Sunday
27 Dec
Hi:
29°F -1°C
Lo:
16°F -8°C
More weather for Ontario
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Traveller Advice on Things to do in Ontario

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Find the Best Things to Do

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Four Rivers Cultural Center & Museum
TripAdvisor Popularity Index: #1 of 2 attractions in Ontario

Set near the junction of four rivers, the Four Rivers Cultural Center & Museum celebrates the convergence of four cultures: American Indian, Japanese, Mexican and European.

Attraction type: History museum; Museum
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Owyhee Loop

32 miles of mostly flat bike trail, cutting across the Snake River into Idaho and back into Oregon.

Attraction type: Biking trail
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