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Forecast confidence: High · models disagree by 2°F

Parma weather

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Cloudy,rain likely tomorrow

NWS, the American and the European model agree on a high near 74° in Parma today. Tomorrow looks heavy drizzle around 74°, with a 90% chance of rain.

74°62°
74°60°
70°61°
66°57°
64°55°
61°55°
Todaymodels agreeTomorrowmodels agreeSundaymodels agreeMondaysplit ±10°Tuesdaysplit ±9°Wednesdaysplit ±6°
NWSNational Blend (NBM)
73°
Light drizzle
Today 73°·Low 63°·Rain 8%
AmericanNOAA GFS
75°
Cloudy
Today 75°·Low 63°·Rain 8%
EuropeanECMWF
73°
Cloudy
Today 73°·Low 62°·Rain 18%
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Parma weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Parma weather in numbers

from 30 years of measured normals

Parma swings 54°F across the year, from 81°F highs in July to 27°F lows in January, and August is usually the wettest month in a year that brings about 48 in of precipitation.

Warmest month
July
81°F average high
Coldest month
January
27°F average low
Wettest month
August
48 in a year
Below freezing
2 months
January and February
Comfortable
4 months
April, May, June and September
Residents
80,000
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The weather map: all three models at once

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

where the models agree, and where they split
Today
Cloudy
74° 62°
models agree
Tomorrow
Heavy drizzle
74° 60°
models agree
Sun
Rain
70° 61°
models agree
Mon
Cloudy
66° 57°
±10°
Tue
Light drizzle
64° 55°
±9°
Wed
Drizzle
61° 55°
±6°
Thu
Drizzle
63° 55°
±5°
Fri
Partly cloudy
67° 56°
models agree
Sat
Mostly clear
70° 52°
±7°
Sun
Mostly clear
71° 53°
±9°
Mon
Cloudy
72° 56°
±12°
Tue
Light drizzle
69° 53°
models agree
Wed
Light drizzle
61° 49°
models agree
Thu
Cloudy
63° 47°
±6°

Parma, Ohio (OH) is at its warmest in Jul (average highs near 81°F) and coldest in Jan (lows around 27°F), with roughly 48 in of precipitation across the year. Below, compare what NWS, American, European forecast for Parma 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.

Parma climate by month

average daytime high and overnight low across a typical year
Jan
38°
27°
Feb
46°
28°
Mar
49°
32°
Apr
62°
43°
May
70°
51°
Jun
78°
60°
Jul
81°
64°
Aug
79°
63°
Sep
75°
59°
Oct
64°
49°
Nov
51°
38°
Dec
43°
32°

Which forecast is most accurate in Parma?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
86
/100rank #1
87±1.3°F97±0.9 mph7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
66
/100rank #2
84±1.6°F95±1.6 mph2458% 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±2°73° to 75°±10%8% to 18% chance
Tomorrow±2°73° to 75°±58%32% to 90% chance
Sun±2°69° to 71°±8%86% to 94% chance
Mon±10°62° to 72°±9%13% to 22% chance
Tue±9°60° to 68°±3%38% to 41% chance

The models often agree on temperature and still split on rain, and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Parma

today, local time
Sunrise
07:10
Sunset
19:30
Daylight
12h 20m

Common questions

What's the weather in Parma today?
On this page we show what NWS, American, European each forecast for Parma 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 Parma today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Parma 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 Parma?
Over the last 30 days, the European model has been the most accurate for Parma (CheckWeather Score 86/100), ahead of the American at 66. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Parma?
July is typically the warmest month in Parma, with average highs around 81°F.
How cold does Parma get?
The coldest month in Parma is January, when overnight lows average about 27°F.
How much rain does Parma get?
Parma sees roughly 48 in of precipitation a year, with August usually the wettest month.

Nearby

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