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Port Chester weather

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Port Chester weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Port Chester weather in numbers

from 30 years of measured normals

Port Chester swings 56°F across the year, from 84°F highs in July to 28°F lows in February, and March is usually the wettest month in a year that brings about 56 in of precipitation.

Warmest month
July
84°F average high
Coldest month
February
28°F average low
Wettest month
March
56 in a year
Below freezing
2 months
January and February
Comfortable
4 months
April, May, September and October
Residents
30,000
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The weather map: all three models at once

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

where the models agree, and where they split

Port Chester, New York (NY) is at its warmest in Jul (average highs near 84°F) and coldest in Feb (lows around 28°F), with roughly 56 in of precipitation across the year. Below, compare what NWS, American, European forecast for Port Chester 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.

Port Chester climate by month

average daytime high and overnight low across a typical year
Jan
43°
30°
Feb
44°
28°
Mar
50°
34°
Apr
61°
43°
May
70°
51°
Jun
79°
61°
Jul
84°
68°
Aug
81°
65°
Sep
74°
59°
Oct
66°
50°
Nov
53°
38°
Dec
44°
32°

Which forecast is most accurate in Port Chester?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
86
/100rank #1
91±0.9°F97±1.0 mph7184% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
77
/100rank #2
83±1.7°F95±1.4 mph5877% 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 Port Chester today?
On this page we show what NWS, American, European each forecast for Port Chester 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 Port Chester today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Port Chester 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 Port Chester?
Over the last 30 days, the European model has been the most accurate for Port Chester (CheckWeather Score 86/100), ahead of the American at 77. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Port Chester?
July is typically the warmest month in Port Chester, with average highs around 84°F.
How cold does Port Chester get?
The coldest month in Port Chester is February, when overnight lows average about 28°F.
How much rain does Port Chester get?
Port Chester sees roughly 56 in of precipitation a year, with March usually the wettest month.

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