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CheckWeather USAllen
Forecast confidence: High · models disagree by 1°F

Allen weather

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Mostly clear,much the same tomorrow

NWS, the American and the European model agree on a high near 99° in Allen today. Tomorrow looks mostly clear around 99°, with a 18% chance of rain.

99°78°
99°79°
100°80°
102°83°
100°82°
101°79°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaysplit ±4°Wednesdaymodels agreeThursdaysplit ±6°
NWSNational Blend (NBM)
98°
Mostly clear
Today 98°·Low 79°·Rain 2%
AmericanNOAA GFS
100°
Mostly clear
Today 100°·Low 79°·Rain 2%
EuropeanECMWF
99°
Light drizzle
Today 99°·Low 77°·Rain 37%

The weather map: all three models at once

NWS, American, European side by side around Allen and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Mostly clear
99° 78°
models agree
Tomorrow
Mostly clear
99° 79°
models agree
Mon
Mostly clear
100° 80°
models agree
Tue
Mostly clear
102° 83°
±4°
Wed
Mostly clear
100° 82°
models agree
Thu
Mostly clear
101° 79°
±6°
Fri
Mostly clear
100° 81°
±6°
Sat
Clear
101° 81°
±5°
Sun
Light drizzle
99° 80°
±6°
Mon
Drizzle
94° 74°
±11°
Tue
Light drizzle
86° 74°
±19°
Wed
Cloudy
88° 70°
±12°
Thu
Clear
89° 67°
±10°
Fri
Clear
94° 70°
±9°

Allen, TX is at its warmest in Aug (average highs near 99°F) and coldest in Jan (lows around 37°F), with roughly 58 in of precipitation across the year. Below, compare what NWS, American, European forecast for Allen 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.

Allen climate by month

average daytime high and overnight low across a typical year
Jan
55°
37°
Feb
63°
44°
Mar
68°
50°
Apr
74°
56°
May
82°
66°
Jun
90°
73°
Jul
94°
76°
Aug
99°
79°
Sep
90°
71°
Oct
81°
62°
Nov
67°
50°
Dec
60°
43°

Which forecast is most accurate in Allen?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
88
/100rank #1
83±1.7°F96±1.2 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
84
/100rank #2
82±1.8°F92±2.4 mph8290% 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±1°98° to 100°±35%2% to 37% chance
Tomorrow±1°99° to 99°±16%2% to 18% chance
Mon±2°99° to 101°±17%1% to 18% chance
Tue±4°100° to 104°±12%6% to 18% chance
Wed±3°99° to 102°±8%2% to 10% 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 Allen

today, local time
Sunrise
07:03
Sunset
19:46
Daylight
12h 43m

Common questions

What's the weather in Allen today?
On this page we show what NWS, American, European each forecast for Allen 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 Allen today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Allen 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 Allen?
Over the last 30 days, the European model has been the most accurate for Allen (CheckWeather Score 88/100), ahead of the American at 84. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Allen?
August is typically the warmest month in Allen, with average highs around 99°F.
How cold does Allen get?
The coldest month in Allen is January, when overnight lows average about 37°F.
How much rain does Allen get?
Allen sees roughly 58 in of precipitation a year, with May usually the wettest month.

Nearby

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