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CheckWeather USPort Royal

Port Royal weather

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The weather map: all three models at once

NWS, American, European side by side around Port Royal and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split

Port Royal, SC is at its warmest in Jul (average highs near 91°F) and coldest in Jan (lows around 45°F), with roughly 51 in of precipitation across the year. Below, compare what NWS, American, European forecast for Port Royal 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 Royal climate by month

average daytime high and overnight low across a typical year
Jan
62°
45°
Feb
66°
50°
Mar
71°
54°
Apr
76°
59°
May
81°
66°
Jun
87°
72°
Jul
91°
76°
Aug
89°
75°
Sep
84°
70°
Oct
78°
61°
Nov
70°
54°
Dec
61°
46°

Which forecast is most accurate in the US?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
89
/100rank #1
87±1.3°F96±1.2 mph8592% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
81±1.9°F93±2.2 mph4972% 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.

Common questions

What's the weather in Port Royal today?
On this page we show what NWS, American, European each forecast for Port Royal 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 Royal today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Port Royal 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 Royal?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Port Royal 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 Port Royal?
July is typically the warmest month in Port Royal, with average highs around 91°F.
How cold does Port Royal get?
The coldest month in Port Royal is January, when overnight lows average about 45°F.
How much rain does Port Royal get?
Port Royal sees roughly 51 in of precipitation a year, with August usually the wettest month.

Nearby

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