Skip to main content
One weather site to rule them all
checkweather.io
CheckWeather USRound Rock
Forecast confidence: High · models disagree by 1°F

Round Rock weather

Loading live data…

Cloudy,much the same tomorrow

NWS, the American and the European model agree on a high near 96° in Round Rock today. Tomorrow looks cloudy around 96°, with a 6% chance of rain.

96°74°
96°76°
98°75°
98°78°
97°77°
96°77°
Todaymodels agreeTomorrowmodels agreeSundaymodels agreeMondaymodels agreeTuesdaysplit ±4°Wednesdaymodels agree
NWSNational Blend (NBM)
97°
Partly cloudy
Today 97°·Low 76°·Rain 1%
AmericanNOAA GFS
95°
Cloudy
Today 95°·Low 74°·Rain 1%
EuropeanECMWF
96°
Cloudy
Today 96°·Low 73°·Rain 2%
CheckWeather.io on iPhoneFree. No ads, no account.

Round Rock weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Round Rock…

Round Rock weather in numbers

from 30 years of measured normals

Round Rock swings 57°F across the year, from 99°F highs in August to 42°F lows in January, and May is usually the wettest month in a year that brings about 46 in of precipitation.

Warmest month
August
99°F average high
Coldest month
January
42°F average low
Wettest month
May
46 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
4 months
January, February, March and April
Residents
116,000
share this forecast

The weather map: all three models at once

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

Round Rock 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

Loading the three models…

Round Rock 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Cloudy
96° 74°
models agree
Tomorrow
Cloudy
96° 76°
models agree
Sun
Cloudy
98° 75°
models agree
Mon
Light drizzle
98° 78°
models agree
Tue
Light drizzle
97° 77°
±4°
Wed
Partly cloudy
96° 77°
models agree
Thu
Cloudy
95° 77°
models agree
Fri
Mostly clear
95° 75°
±5°
Sat
Mostly clear
95° 75°
±7°
Sun
Light drizzle
95° 75°
±6°
Mon
Light drizzle
92° 75°
±12°
Tue
Partly cloudy
89° 71°
±5°
Wed
Mostly clear
91° 67°
±6°
Thu
Clear
91° 65°
±7°

Round Rock, Texas (TX) is at its warmest in Aug (average highs near 99°F) and coldest in Jan (lows around 42°F), with roughly 46 in of precipitation across the year. Below, compare what NWS, American, European forecast for Round Rock 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.

Round Rock climate by month

average daytime high and overnight low across a typical year
Jan
60°
42°
Feb
67°
48°
Mar
73°
54°
Apr
77°
59°
May
83°
67°
Jun
92°
73°
Jul
95°
76°
Aug
99°
78°
Sep
92°
73°
Oct
84°
64°
Nov
70°
53°
Dec
65°
48°

Which forecast is most accurate in Round Rock?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
91
/100rank #1
94±0.6°F97±1.1 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
72
/100rank #2
83±1.7°F95±1.4 mph4268% 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)
Loading ratings…
AmericanNOAA GFS
Loading ratings…
EuropeanECMWF
Loading ratings…

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°95° to 97°±1%1% to 2% chance
Tomorrow±2°95° to 97°±6%0% to 6% chance
Sun±1°97° to 98°±2%4% to 6% chance
Mon±3°97° to 99°±21%10% to 31% chance
Tue±4°96° to 100°±23%10% to 33% 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 Round Rock

today, local time
Sunrise
07:16
Sunset
19:32
Daylight
12h 16m

Common questions

What's the weather in Round Rock today?
On this page we show what NWS, American, European each forecast for Round Rock 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 Round Rock today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Round Rock 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 Round Rock?
Over the last 30 days, the European model has been the most accurate for Round Rock (CheckWeather Score 91/100), ahead of the American at 72. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Round Rock?
August is typically the warmest month in Round Rock, with average highs around 99°F.
How cold does Round Rock get?
The coldest month in Round Rock is January, when overnight lows average about 42°F.
How much rain does Round Rock get?
Round Rock sees roughly 46 in of precipitation a year, with May usually the wettest month.

Nearby

More US weather