NWS, American, European side by side around Bismarck 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
Bismarck, ND is at its warmest in Jul (average highs near 81°F) and coldest in Jan (lows around 9°F), with roughly 21 in of precipitation across the year. Below, compare what NWS, American, European forecast for Bismarck right now, and see exactly where they disagree.
Bismarck climate by month
average daytime high and overnight low across a typical year
Jan
22°
9°
Feb
33°
14°
Mar
31°
13°
Apr
50°
30°
May
69°
46°
Jun
77°
57°
Jul
81°
61°
Aug
79°
60°
Sep
76°
55°
Oct
58°
38°
Nov
40°
24°
Dec
33°
18°
Common questions
What's the weather in Bismarck today?
On this page we show what NWS, American, European each forecast for Bismarck 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 Bismarck today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Bismarck 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 Bismarck?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Bismarck 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 Bismarck?
Jul is typically the warmest month in Bismarck, with average highs around 81°F.
How cold does Bismarck get?
The coldest month in Bismarck is Jan, when overnight lows average about 9°F.
How much rain does Bismarck get?
Bismarck sees roughly 21 in of precipitation a year, with Jun 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.