Skip to main content
Every US forecast, compared
checkweather.io
CheckWeather USCampbell

Campbell weather

Loading live data…

The weather map: all three models at once

NWS, American, European side by side around Campbell 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

Campbell, CA is at its warmest in Jul (average highs near 89°F) and coldest in Feb (lows around 41°F), with roughly 30 in of precipitation across the year. Below, compare what NWS, American, European forecast for Campbell 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.

Campbell climate by month

average daytime high and overnight low across a typical year
Jan
57°
44°
Feb
57°
41°
Mar
58°
43°
Apr
66°
46°
May
74°
50°
Jun
82°
55°
Jul
89°
60°
Aug
86°
59°
Sep
82°
56°
Oct
79°
56°
Nov
65°
47°
Dec
60°
46°

Which forecast is most accurate in Campbell?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
89
/100rank #1
83±1.7°F89±3.3 mph9597% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
82
/100rank #2
58±4.2°F95±1.6 mph100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom

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 Campbell today?
On this page we show what NWS, American, European each forecast for Campbell 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 Campbell today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Campbell 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 Campbell?
Over the last 30 days, the American model has been the most accurate for Campbell (CheckWeather Score 89/100), ahead of the European at 82. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Campbell?
July is typically the warmest month in Campbell, with average highs around 89°F.
How cold does Campbell get?
The coldest month in Campbell is February, when overnight lows average about 41°F.
How much rain does Campbell get?
Campbell sees roughly 30 in of precipitation a year, with January usually the wettest month.

Nearby

More US weather