2019-2020 Long Range Weather Forecast for Boise, ID
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 2020 Old Farmer’s Almanac, available online and in stores.
Note: Long range forecasts are regional, not city-specific.
Free 2-Month Weather Forecast
| Dates | Weather Conditions |
|---|---|
| Dec 1-10 | Periods of rain and snow north, sunny south; mild |
| Dec 11-15 | Rain and snow showers, mild |
| Dec 16-25 | Snowy periods, cold |
| Dec 26-31 | Snowy north, sunny south; turning milder |
| December | temperature 33° (3° above avg. north, 3° below south) precipitation 1.5" (avg.) |
| Dates | Weather Conditions |
|---|---|
| Jan 1-7 | Snowstorm, then flurries, cold |
| Jan 8-13 | Sunny, mild |
| Jan 14-19 | Snowy periods north, sunny south; mild |
| Jan 20-24 | Snow showers, cold |
| Jan 25-31 | Snowy periods, cold |
| January | temperature 30° (2° below avg.) precipitation 1.5" (1" above avg. north, 0.5" below south) |
Annual Weather Summary
November 2019 to October 2020
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.
About the Intermountain Region
The Intermountain long range weather region includes all or part of the following states: ARIZONA (Flagstaff, Kayenta, Page, Tuba City, Winslow), CALIFORNIA (Cedarville, Davis Creek, Eagleville, Fort Bidwell, Lake City), COLORADO (Aurora, Colorado Springs, Denver, Fort Collins, Lakewood), IDAHO (Boise, Idaho Falls, Meridian, Nampa, Pocatello), MONTANA (Bozeman, Butte, Helena, Kalispell, Missoula), NEVADA (Carson City, Elko, Reno, Sparks, Sun Valley), NEW MEXICO (Angel Fire, Chama, Dulce, Questa, Springer), OREGON (Hermiston, La Grande, Ontario, Pendleton, The Dalles), UTAH (Ogden, Orem, Provo, Salt Lake City, West Valley City), WASHINGTON (Kennewick, Pasco, Richland, Spokane, Yakima), WYOMING (Casper, 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
Reader Comments
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Deer Park, WA*
Deer Park, WA*
Nampa
Does anyone know if Nampa will get a lot of snow this season?
Nampa
We will have a bitter cold forecasted for late December and long periods of heavy snow.
Sept 5th through 7th
Planning a wedding the 2nd weekend of September in Bigfork, Montana. Sept 5-7th 2019. What will the average temperature be? and rain fall?
Mild Maybe
I hope you folks are correct (usually are:) which means I will hopefully see a relatively mild winter this year- last year was brutal here in SW Bozeman, MT... my van was froze to the pavement most of last winter (an unusually abundant amount of ice) :/ I will be looking forward to relatively better weather this year, tytyty. :D
Sorry, I don't agree. I am
Sorry, I don't agree. I am dismayed that the temperatures are getting warmer. We need a good winter with lots of snowfall!
Snowstorm
Up in the mountains at Alta ski area is gonna snow only after 25 Oct?
In cottonwood heights?
Funny!
Funny - Forecast was Warm + sunny, and it dumped 15+" in Alta during Oct 7-12.
snow
sorry, I'm in ALAMOSA COLORADO
SNOW
i am wondering what our snowfall will be this year
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