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Every US forecast, compared
CheckWeather US›Boise

Boise weather

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NWSNational Blend (NBM)
101°
Clear
Feels 101° · Wind 5 mph · Humidity 19%
AmericanNOAA GFS
101°
Clear
Feels 95° · Wind 11 mph · Humidity 14%
EuropeanECMWF
101°
Mainly clear
Feels 98° · Wind 5 mph · Humidity 16%

Latest for Boise: NWS (National Blend (NBM)): 101° Clear · American (NOAA GFS): 101° Clear · European (ECMWF): 101° Mainly clear.

The weather map: all three models at once

NWS, American, European side by side around Boise and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

7-day forecast

where the models agree, and where they split

Boise, ID is at its warmest in Jul (average highs near 96°F) and coldest in Jan (lows around 26°F), with roughly 17 in of precipitation across the year. Below, compare what NWS, American, European forecast for Boise right now, and see exactly where they disagree.

Boise climate by month

average daytime high and overnight low across a typical year
Jan
39°
26°
Feb
46°
28°
Mar
49°
30°
Apr
60°
38°
May
72°
48°
Jun
81°
56°
Jul
96°
66°
Aug
91°
63°
Sep
81°
55°
Oct
67°
44°
Nov
49°
32°
Dec
42°
29°

Which forecast is most accurate in the US?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
Behind Apple Weather, Windy
88
/100rank #1
85±1.5°F96±1.2 mph8592% hitECMWF — European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
Behind Windy & many free apps
74
/100rank #2
82±1.8°F92±2.6 mph5374% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 40 cities. Lower error means a higher score. The apps you know (AccuWeather, Apple Weather, The Weather Channel) are built on these models.

Common questions

What's the weather in Boise today?
On this page we show what NWS, American, European each forecast for Boise today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Boise today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Boise and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Boise?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Boise forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Boise?
July is typically the warmest month in Boise, with average highs around 96°F.
How cold does Boise get?
The coldest month in Boise is January, when overnight lows average about 26°F.
How much rain does Boise get?
Boise sees roughly 17 in of precipitation a year, with December usually the wettest month.

The forecasts Americans check

The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.

NWSNational Weather Service
Open model · shown above ✓AWAccuWeather
Closed model · open ↗↗TWCThe Weather Channel
Closed model · open ↗↗

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