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Winona weather

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Winona weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Winona weather in numbers

from 30 years of measured normals

Winona swings 63°F across the year, from 80°F highs in July to 17°F lows in January, and August is usually the wettest month in a year that brings about 35 in of precipitation.

Warmest month
July
80°F average high
Coldest month
January
17°F average low
Wettest month
August
35 in a year
Below freezing
4 months
January, February, March and December
Comfortable
3 months
May, September and October
Residents
27,000
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The weather map: all three models at once

NWS, American, European side by side around Winona and nearby towns.Live rain radar →
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Winona hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Winona 10-day forecast, out to 14 days

where the models agree, and where they split

Winona, Minnesota (MN) is at its warmest in Jul (average highs near 80°F) and coldest in Jan (lows around 17°F), with roughly 35 in of precipitation across the year. Below, compare what NWS, American, European forecast for Winona right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Winona climate by month

average daytime high and overnight low across a typical year
Jan
28°
17°
Feb
38°
20°
Mar
44°
26°
Apr
56°
38°
May
71°
51°
Jun
79°
61°
Jul
80°
63°
Aug
80°
63°
Sep
77°
59°
Oct
62°
47°
Nov
45°
32°
Dec
36°
24°

Which forecast is most accurate in Winona?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
92
/100rank #1
92±0.8°F97±0.9 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
84±1.6°F92±2.4 mph4771% 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 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
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AmericanNOAA GFS
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EuropeanECMWF
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Common questions

What's the weather in Winona today?
On this page we show what NWS, American, European each forecast for Winona 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 Winona today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Winona 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 Winona?
Over the last 30 days, the European model has been the most accurate for Winona (CheckWeather Score 92/100), ahead of the American at 73. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Winona?
July is typically the warmest month in Winona, with average highs around 80°F.
How cold does Winona get?
The coldest month in Winona is January, when overnight lows average about 17°F.
How much rain does Winona get?
Winona sees roughly 35 in of precipitation a year, with August usually the wettest month.

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