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CheckWeather USAugust

August weather

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The weather map: all three models at once

NWS, American, European side by side around August 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

August, CA is at its warmest in Jul (average highs near 100°F) and coldest in Feb (lows around 40°F), with roughly 30 in of precipitation across the year. Below, compare what NWS, American, European forecast for August 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.

August climate by month

average daytime high and overnight low across a typical year
Jan
56°
42°
Feb
58°
40°
Mar
60°
43°
Apr
70°
46°
May
79°
52°
Jun
90°
58°
Jul
100°
64°
Aug
96°
63°
Sep
89°
59°
Oct
82°
55°
Nov
64°
43°
Dec
58°
42°

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 August today?
On this page we show what NWS, American, European each forecast for August 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 August today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for August 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 August?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the August 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 August?
July is typically the warmest month in August, with average highs around 100°F.
How cold does August get?
The coldest month in August is February, when overnight lows average about 40°F.
How much rain does August get?
August sees roughly 30 in of precipitation a year, with March usually the wettest month.

Nearby

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