Ontario, Idaho Weather Forecast / Climate

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In Depth

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

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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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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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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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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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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

Live weather is currently unavailable.

Please visit weather.gov for current and forecasted weather.

This Afternoon

Slight Chance Light Rain

Tonight

Chance Light Rain

Thursday

Slight Chance Rain And Snow then Mostly Cloudy

Thursday Night

Partly Cloudy

Friday

Sunny

Friday Night

Mostly Clear

51°F

Wind 8 mph N

37°F

Wind 6 to 12 mph NW

52°F

Wind 12 to 23 mph NNW

35°F

Wind 12 to 22 mph NW

56°F

Wind 12 mph NW

28°F

Wind 2 to 10 mph NNW

Detailed Forecast
This Afternoon	A slight chance of rain after 5pm. Cloudy, with a high near 51. North wind around 8 mph. Chance of precipitation is 20%.
Tonight	A chance of rain. Cloudy, with a low around 37. Northwest wind 6 to 12 mph. Chance of precipitation is 30%.
Thursday	A slight chance of rain before 8am, then a slight chance of rain and snow between 8am and 11am. Mostly cloudy, with a high near 52. North northwest wind 12 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Thursday Night	Partly cloudy, with a low around 35. Northwest wind 12 to 22 mph, with gusts as high as 32 mph.
Friday	Sunny, with a high near 56. Northwest wind around 12 mph, with gusts as high as 21 mph.
Friday Night	Mostly clear, with a low around 28.
Saturday	Mostly sunny, with a high near 57.
Saturday Night	Partly cloudy, with a low around 32.
Sunday	Mostly sunny, with a high near 58.
Sunday Night	Partly cloudy, with a low around 34.
Monday	Partly sunny, with a high near 58.
Monday Night	A slight chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
Tuesday	A chance of rain. Mostly cloudy, with a high near 55. Chance of precipitation is 40%.
Tuesday Night	Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

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