2020 Long Range Weather Forecast for Hermiston, OR

Get the Long Range Weather for Your Location

See long range weather forecasts for the next 60 days from The Old Farmer’s Almanac! Our long range forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to sporting events and outdoor activities.

To see long term forecasts for the entire year, pick up a copy of The 2021 Old Farmer’s Almanac, available online and in stores.

Note: Long range forecasts are regional, not city-specific.

Free 2-Month Weather Forecast

October 2020 Long Range Weather Forecast for Intermountain
DatesWeather Conditions
Oct 1-9Showers, then sunny, cool
Oct 10-15Rainy periods, cool
Oct 16-20Snowy periods, cold
Oct 21-29Showers, then sunny, turning warm
Oct 30-31Rainy, cool
Octobertemperature 51° (avg.)
precipitation 0.5" (0.5" below avg.)

November 2020 Long Range Weather Forecast for Intermountain
DatesWeather Conditions
Nov 1-6Snow showers, then sunny, cool
Nov 7-8Showers, mild
Nov 9-23Snow showers, cold
Nov 24-30Rainy periods north, sunny south; mild
Novembertemperature 38° (2° below avg.)
precipitation 1.5" (avg.)

Annual Weather Summary
November 2019 to October 2020

Winter temperatures will be above normal, on average, in the north and below average in central and southern portions of the region, with the coldest periods in mid- to late December and early January and from late January through the first half of February. Precipitation and snowfall will be above normal, with the snowiest periods in mid- to late December, early and late January, early February, and early and late March. April and May will be cooler than normal, with near-normal precipitation. Summer will be slightly cooler and rainier than normal, with the hottest period from late June through early July. September and October will be warmer than normal, with below-normal precipitation.

Map showing Old Farmer's Almanac long range weather region number 13

About the Intermountain Region

The Intermountain long range weather region includes all or part of the following states: ARIZONA (Flagstaff), COLORADO (Clifton, Grand Junction, Montrose), IDAHO (Boise, Idaho Falls, Meridian, Nampa, Pocatello), MONTANA (Bozeman, Butte, Helena, Kalispell, Missoula), NEVADA (Carson City, Elko, Reno, Sparks, Sun Valley), OREGON (Hermiston, La Grande, Ontario, Pendleton, The Dalles), UTAH (Orem, Provo, Salt Lake City, Sandy City, West Valley City), WASHINGTON (Kennewick, Pasco, Richland, Spokane, Yakima), WYOMING (Evanston, Green River, Laramie, Rock Springs).

Intermountain Neighboring Regions

Here are the regions that neighbor the Intermountain long range weather region:

Temperature and Precipitation November 2019 to October 2020

Temperature and Precipitation Chart, November 2019 to October 2020 for Hermiston, OR

Reader Comments

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Outside baby shower

What’s the weather like on 7 Nov 2020 in Sandy,, Utah?


What will the weather be on October 24th 2020 Ogden Uth

Daylight wasting time

Children at a cold,dark bus stop, is not my idea of safe or smart. The economic impact on businesses and commerce in general, is made more detrimental when some state does not adhere to the time changes, others do, in addition to the established continental and world time differences. All of these factors would make the elimination of the confusing practice a “no brainer”. Thank you.

Outdoor Wedding

Outdoor Wedding on 10/10 2020 at 3:00pm in Gardnerville NV. What will the weather be like?

Outdoor wedding in Salt Lake City Utah 10/10/2020

Outdoor wedding planned for October 10 2020. What can I expect from the weather and what time is sunset?

wedding November 1

Planning a wedding November 1 Portola, CA 4:00 Pm how does it look for outdoor ceremoney

warm rains

I live right on the Nampa-Caldwell border, and we got a couple of incredibly warm showers today, with some cooler night showering last evening. Today’s rain was accompanied by bright sunlight (smoggy even still by the California fires going on right now), and it was about 88 degrees outside. Humid, too.

Region 13

I live in Southeast Idaho, right on the Northern Utah border. Since I’m right in the middle of the Intermountain region I’m not sure which forecast to follow...north or south?

July and August

This has been the hottest summer yet. Temps in the high 90s and into the 100's. No rain. I read one report that we have had 2 inches of moisture this summer. Now mind you, this is central Utah. But if we don't get a huge snow pack this winter we are in big trouble. Animals are suffering from the heat. I am trying hard to keep my goats and sheep comfortable. Global warming is real, we have spoiled our nest.

Weather in Kuna

I live just outside of Meridian and the forecast will have thunderstorms or rain. When it gets close to us, it just fades. Is there something that prevents the rain from reaching us? We call it the Kuna Circle. All the bad weather just surronds is and fades?