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

Harrisburg weather

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Light drizzle,rain likely tomorrow

NWS, the American and the European model agree on a high near 80° in Harrisburg today. Tomorrow looks light drizzle around 78°, with a 8% chance of rain.

80°68°
78°61°
78°59°
82°58°
88°64°
81°70°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaysplit ±14°
NWSNational Blend (NBM)
80°
Light drizzle
Today 80°·Low 67°·Rain 12%
AmericanNOAA GFS
80°
Cloudy
Today 80°·Low 67°·Rain 12%
EuropeanECMWF
79°
Light drizzle
Today 79°·Low 68°·Rain 43%

The weather map: all three models at once

NWS, American, European side by side around Harrisburg 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
Light drizzle
80° 68°
models agree
Tomorrow
Light drizzle
78° 61°
models agree
Mon
Mostly clear
78° 59°
models agree
Tue
Cloudy
82° 58°
models agree
Wed
Cloudy
88° 64°
models agree
Thu
Partly cloudy
81° 70°
±14°
Fri
Mostly clear
80° 64°
±9°
Sat
Mostly clear
80° 61°
models agree
Sun
Partly cloudy
87° 65°
±9°
Mon
Light drizzle
83° 66°
±16°
Tue
Light drizzle
80° 63°
±21°
Wed
Heavy drizzle
73° 57°
models agree
Thu
Cloudy
74° 56°
models agree
Fri
Cloudy
71° 58°
±10°

Harrisburg, PA is at its warmest in Jul (average highs near 88°F) and coldest in Feb (lows around 29°F), with roughly 42 in of precipitation across the year. Below, compare what NWS, American, European forecast for Harrisburg 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.

Harrisburg climate by month

average daytime high and overnight low across a typical year
Jan
44°
30°
Feb
49°
29°
Mar
53°
34°
Apr
66°
44°
May
73°
52°
Jun
83°
61°
Jul
88°
68°
Aug
84°
65°
Sep
76°
59°
Oct
67°
48°
Nov
54°
38°
Dec
45°
32°

Which forecast is most accurate in Harrisburg?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
93
/100rank #1
93±0.7°F98±0.7 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
81±1.9°F95±1.5 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±1°79° to 80°±31%12% to 43% chance
Tomorrow±2°77° to 79°±3%5% to 8% chance
Mon±1°78° to 79°±3%0% to 3% chance
Tue±3°81° to 84°models agree0% to 0% chance
Wed±3°87° to 90°models agree10% 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 Harrisburg

today, local time
Sunrise
06:39
Sunset
19:33
Daylight
12h 54m

Common questions

What's the weather in Harrisburg today?
On this page we show what NWS, American, European each forecast for Harrisburg 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 Harrisburg today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Harrisburg 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 Harrisburg?
Over the last 30 days, the European model has been the most accurate for Harrisburg (CheckWeather Score 93/100), ahead of the American at 73. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Harrisburg?
July is typically the warmest month in Harrisburg, with average highs around 88°F.
How cold does Harrisburg get?
The coldest month in Harrisburg is February, when overnight lows average about 29°F.
How much rain does Harrisburg get?
Harrisburg sees roughly 42 in of precipitation a year, with April usually the wettest month.

Nearby

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