Ontario, Idaho Weather Forecast / Climate

North America

Weather information for the Ontario area is provided below. Average temperatures, climate details and current forecasts are included!

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We also have the following visitor guides in Idaho. Click on any additional guides you would like to receive.

Bear Lake Northern Utah

Bear Lake

Northern UtahBear Lake Valley lies on the border of Utah and Idaho, and is home to the "Caribbean of the Rockies", or Bear Lake. Visitors can enjoy a myriad of outdoor activities throughout the entire year.
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Idaho High Country Southeast Idaho

Idaho High Country

Southeast IdahoBear Lake and Lava Hot Spring are found in Southeast Idaho, both exciting destinations for travelers from all over. Bear Lake is often called the "Caribbean of the Rockies" due to its vibrant blue color.
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Box Elder County Northern Utah

Box Elder County

Northern UtahBox Elder County is known as a land of contrasts. Visit the the quaint and beautiful town of Brigham City, or get outside and experience any number of outdoor activities within scenic Box Elder County.
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Visit Idaho Idaho

Visit Idaho

IdahoStart planning your Idaho adventure. Vacation is more than just scenery; it’s about making life long memories. Download or order the free Idaho Travel Guide here.
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Visit Pocatello Southeast Idaho

Visit Pocatello

Southeast IdahoChallenging rock-climbing, world-class mountain bike trails, disc golf courses and an active Greenway are some of the outdoor offerings right in Pocatello. Learn to squeegee at the world’s only Museum of Clean, stand in awe of saber tooth cats and giant bison at the Idaho Museum of Natural History, float the lazy river at the aquatic center, shop charming Old Town, or see Grizzlies and the animals of Yellowstone up-close at the Pocatello Zoo. Between Salt Lake City and Yellowstone National Park on I-15, it’s an ideal place to spend the night. Visit Pocatello for fantastic dining, attractions, events and lodging.
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Discover Wood River Valley - Sun Valley Mountains

Discover Wood River Valley - Sun Valley

Mountains All the Best Adventures For those with a High Altitude Attitude. Discover our Award Winning Visitor’s Guide
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Climate
Current Forecast

Climate

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec

Avg. High	34	43	55	64	73	82	90	90	79	66	47	36

Avg. Low	19	24	31	37	45	52	57	55	46	35	27	20

Precipitation	1.2	1.0	1.0	0.8	0.9	0.7	0.3	0.3	0.4	0.6	1.1	1.3

Today

Mostly Sunny

Tonight

Mostly Clear

Saturday

Mostly Sunny

Saturday Night

Partly Cloudy

Sunday

Mostly Sunny

Sunday Night

Mostly Clear

64°F

Wind 1 to 5 mph E

37°F

Wind 3 mph NNE

72°F

Wind 2 to 6 mph ESE

47°F

Wind 2 to 10 mph NNE

64°F

Wind 10 to 16 mph NW

37°F

Wind 9 mph NNW

Detailed Forecast
Today	Mostly sunny, with a high near 64. East wind 1 to 5 mph.
Tonight	Mostly clear, with a low around 37. North northeast wind around 3 mph.
Saturday	Mostly sunny, with a high near 72. East southeast wind 2 to 6 mph.
Saturday Night	Partly cloudy, with a low around 47. North northeast wind 2 to 10 mph.
Sunday	Mostly sunny, with a high near 64. Northwest wind 10 to 16 mph.
Sunday Night	Mostly clear, with a low around 37.
Monday	Sunny, with a high near 67.
Monday Night	Partly cloudy, with a low around 41.
Tuesday	Partly sunny, with a high near 74.
Tuesday Night	Partly cloudy, with a low around 47.
Wednesday	Mostly sunny, with a high near 75.
Wednesday Night	Mostly cloudy, with a low around 46.
Thursday	Mostly sunny, with a high near 70.
Thursday Night	Mostly cloudy, with a low around 46.

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