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Marion weather

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NWSNational Blend (NBM)
77°
Light drizzle
Feels 80° · Wind 8 mph · Humidity 70%
AmericanNOAA GFS
75°
Overcast
Feels 78° · Wind 7 mph · Humidity 76%
EuropeanECMWF
80°
Overcast
Feels 83° · Wind 9 mph · Humidity 68%

Latest for Marion: NWS (National Blend (NBM)): 77° Light drizzle · American (NOAA GFS): 75° Overcast · European (ECMWF): 80° Overcast.

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Marion weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Marion…

Marion weather in numbers

from 30 years of measured normals

Marion swings 55°F across the year, from 82°F highs in July to 27°F lows in January, and May is usually the wettest month in a year that brings about 43 in of precipitation.

Warmest month
July
82°F average high
Coldest month
January
27°F average low
Wettest month
May
43 in a year
Below freezing
3 months
January, February and December
Comfortable
3 months
April, September and October
Residents
36,000
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The weather map: all three models at once

NWS, American, European side by side around Marion and nearby towns.Live rain radar →
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Marion 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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Marion 10-day forecast, out to 14 days

where the models agree, and where they split

Marion, Ohio (OH) is at its warmest in Jul (average highs near 82°F) and coldest in Jan (lows around 27°F), with roughly 43 in of precipitation across the year. Below, compare what NWS, American, European forecast for Marion 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.

Marion climate by month

average daytime high and overnight low across a typical year
Jan
38°
27°
Feb
48°
28°
Mar
51°
33°
Apr
63°
43°
May
72°
52°
Jun
80°
60°
Jul
82°
64°
Aug
81°
62°
Sep
77°
59°
Oct
66°
47°
Nov
53°
37°
Dec
44°
31°

Which forecast is most accurate in Marion?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
93
/100rank #1
94±0.6°F96±1.1 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
72
/100rank #2
83±1.7°F96±1.1 mph4268% 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 Marion today?
On this page we show what NWS, American, European each forecast for Marion 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 Marion today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Marion 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 Marion?
Over the last 30 days, the European model has been the most accurate for Marion (CheckWeather Score 93/100), ahead of the American at 72. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Marion?
July is typically the warmest month in Marion, with average highs around 82°F.
How cold does Marion get?
The coldest month in Marion is January, when overnight lows average about 27°F.
How much rain does Marion get?
Marion sees roughly 43 in of precipitation a year, with May usually the wettest month.

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