NWS, American, European side by side around Round Rock and nearby towns.Live rain radar →
Loading the three model maps…
Next 14 hours
consensus of the three models
7-day forecast
where the models agree, and where they split
Round Rock, 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.
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°
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?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Round Rock 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 Round Rock?
Aug 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 Jan, 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.
The forecasts Americans check
The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.