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°
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?
Jul is typically the warmest month in Boise, with average highs around 96°F.
How cold does Boise get?
The coldest month in Boise is Jan, when overnight lows average about 26°F.
How much rain does Boise get?
Boise sees roughly 17 in of precipitation a year, with Dec 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.