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Forecast confidence: High · models disagree by 1°F

Altoona weather

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Light drizzle,cooler tomorrow

NWS, the American and the European model agree on a high near 76° in Altoona today. Tomorrow looks cloudy around 70°, with a 18% chance of rain.

76°61°
70°54°
73°62°
65°52°
57°52°
56°49°
Todaymodels agreeTomorrowsplit ±5°Sundaymodels agreeMondaymodels agreeTuesdaysplit ±4°Wednesdaysplit ±7°
NWSNational Blend (NBM)
77°
Light drizzle
Today 77°·Low 60°·Rain 10%
AmericanNOAA GFS
76°
Cloudy
Today 76°·Low 62°·Rain 10%
EuropeanECMWF
76°
Light drizzle
Today 76°·Low 63°·Rain 100%
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Altoona weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Altoona weather in numbers

from 30 years of measured normals

Altoona swings 57°F across the year, from 84°F highs in July to 27°F lows in February, and April is usually the wettest month in a year that brings about 43 in of precipitation.

Warmest month
July
84°F average high
Coldest month
February
27°F average low
Wettest month
April
43 in a year
Below freezing
3 months
January, February and December
Comfortable
4 months
May, June, September and October
Residents
45,000
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The weather map: all three models at once

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

where the models agree, and where they split
Today
Light drizzle
76° 61°
models agree
Tomorrow
Cloudy
70° 54°
±5°
Sun
Rain
73° 62°
models agree
Mon
Light drizzle
65° 52°
models agree
Tue
Light rain
57° 52°
±4°
Wed
Light drizzle
56° 49°
±7°
Thu
Drizzle
60° 51°
±6°
Fri
Cloudy
66° 50°
models agree
Sat
Light drizzle
68° 47°
models agree
Sun
Mostly clear
66° 49°
±11°
Mon
Light drizzle
69° 51°
models agree
Tue
Light drizzle
68° 49°
±8°
Wed
Heavy drizzle
64° 50°
models agree
Thu
Cloudy
63° 46°
±5°

Altoona, Pennsylvania (PA) is at its warmest in Jul (average highs near 84°F) and coldest in Feb (lows around 27°F), with roughly 43 in of precipitation across the year. Below, compare what NWS, American, European forecast for Altoona 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.

Altoona climate by month

average daytime high and overnight low across a typical year
Jan
39°
28°
Feb
46°
27°
Mar
49°
32°
Apr
62°
42°
May
70°
51°
Jun
78°
58°
Jul
84°
64°
Aug
80°
62°
Sep
73°
57°
Oct
64°
46°
Nov
51°
35°
Dec
41°
30°

Which forecast is most accurate in Altoona?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
86
/100rank #1
92±0.8°F98±0.5 mph7184% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
77
/100rank #2
93±0.7°F95±1.7 mph4771% 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±1°76° to 77°±90%10% to 100% chance
Tomorrow±5°68° to 73°±10%8% to 18% chance
Sun±2°72° to 74°±15%80% to 95% chance
Mon±2°64° to 66°±12%30% to 42% chance
Tue±4°55° to 59°±3%65% to 68% 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 Altoona

today, local time
Sunrise
06:57
Sunset
19:17
Daylight
12h 20m

Common questions

What's the weather in Altoona today?
On this page we show what NWS, American, European each forecast for Altoona 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 Altoona today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Altoona 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 Altoona?
Over the last 30 days, the European model has been the most accurate for Altoona (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 Altoona?
July is typically the warmest month in Altoona, with average highs around 84°F.
How cold does Altoona get?
The coldest month in Altoona is February, when overnight lows average about 27°F.
How much rain does Altoona get?
Altoona sees roughly 43 in of precipitation a year, with April usually the wettest month.

Nearby

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