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CheckWeather US›Pennsylvania›East Norriton

East Norriton weather

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East Norriton weather alerts and warnings

active National Weather Service watches, warnings and advisories

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East Norriton weather in numbers

measured normals and 10 years of recorded weather

East Norriton swings 62°F across the year, from 86°F highs in July to 24°F lows in February, and July is usually the wettest month in a year that brings about 48 in of precipitation. Over 10 years of recorded weather it averages 117 days a year at 77°F or above, 44 of them at 86°F or above, 88 frost nights, and rain on 131 days.

Warmest month
July
86°F average high
Coldest month
February
24°F average low
Wettest month
July
48 in a year
Comfortable
4 months
April, May, September and October
Residents
14,000
share this forecast
Warm days
117 days
a year at 77°F or above
Frost nights
88 nights
a year below 32°F
Rain days
131 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for East Norriton’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

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

where the models agree, and where they split

East Norriton, Pennsylvania (PA) is at its warmest in Jul (average highs near 86°F) and coldest in Feb (lows around 24°F), with roughly 48 in of precipitation across the year. Below, compare what NWS, American, European forecast for East Norriton 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.

East Norriton climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
39°
25°
Feb
42°
24°
Mar
49°
30°
Apr
62°
40°
May
73°
51°
Jun
83°
60°
Jul
86°
66°
Aug
84°
65°
Sep
75°
57°
Oct
66°
46°
Nov
53°
36°
Dec
42°
28°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around East Norriton has changed since 1995

East Norriton sits in the same roughly 50 km square of NASA's reanalysis as Norristown. That square ran 1.8°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Norristown page.

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
93
/100rank #1
91±0.9°F97±1.1 mph9396% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
82
/100rank #2
83±1.7°F94±2.0 mph7184% 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 East Norriton today?
On this page we show what NWS, American, European each forecast for East Norriton 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 East Norriton today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for East Norriton 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 East Norriton?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the East Norriton 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 East Norriton?
July is typically the warmest month in East Norriton, with average highs around 86°F.
How cold does East Norriton get?
The coldest month in East Norriton is February, when overnight lows average about 24°F.
How much rain does East Norriton get?
East Norriton sees roughly 48 in of precipitation a year, with July usually the wettest month.

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