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Forecast confidence: High · models disagree by 3°F

Rocklin weather

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Clear,much the same tomorrow

NWS, the American and the European model agree on a high near 86° in Rocklin today. Tomorrow looks mostly clear around 90°, with a 0% chance of rain.

86°55°
90°59°
86°61°
88°59°
89°60°
95°64°
Todaymodels agreeTomorrowmodels agreeSundaymodels agreeMondaysplit ±7°Tuesdaysplit ±7°Wednesdaysplit ±5°
NWSNational Blend (NBM)
87°
Clear
Today 87°·Low 55°·Rain 0%
AmericanNOAA GFS
84°
Clear
Today 84°·Low 54°·Rain 0%
EuropeanECMWF
86°
Clear
Today 86°·Low 57°·Rain 0%
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Rocklin weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Rocklin weather in numbers

from 30 years of measured normals

Rocklin swings 61°F across the year, from 101°F highs in July to 40°F lows in February, and February is usually the wettest month in a year that brings about 39 in of precipitation.

Warmest month
July
101°F average high
Coldest month
February
40°F average low
Wettest month
February
39 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
2 months
April and November
Residents
61,000
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The weather map: all three models at once

NWS, American, European side by side around Rocklin and nearby towns.Live rain radar →
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Rocklin 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

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Rocklin 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Clear
86° 55°
models agree
Tomorrow
Mostly clear
90° 59°
models agree
Sun
Cloudy
86° 61°
models agree
Mon
Cloudy
88° 59°
±7°
Tue
Clear
89° 60°
±7°
Wed
Mostly clear
95° 64°
±5°
Thu
Mostly clear
97° 68°
models agree
Fri
Mostly clear
89° 67°
±7°
Sat
Mostly clear
88° 64°
±16°
Sun
Clear
88° 63°
±13°
Mon
Mostly clear
89° 63°
±9°
Tue
Light rain
90° 64°
±7°
Wed
Mostly clear
86° 63°
±16°
Thu
Clear
84° 59°
±14°

Rocklin, California (CA) is at its warmest in Jul (average highs near 101°F) and coldest in Feb (lows around 40°F), with roughly 39 in of precipitation across the year. Below, compare what NWS, American, European forecast for Rocklin 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.

Rocklin climate by month

average daytime high and overnight low across a typical year
Jan
55°
42°
Feb
56°
40°
Mar
59°
43°
Apr
69°
47°
May
79°
54°
Jun
90°
61°
Jul
101°
68°
Aug
95°
66°
Sep
88°
62°
Oct
80°
57°
Nov
62°
44°
Dec
57°
42°

Which forecast is most accurate in Rocklin?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
97
/100rank #1
95±0.5°F97±1.0 mph100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
86
/100rank #2
77±2.3°F97±1.1 mph8994% 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)
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AmericanNOAA GFS
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EuropeanECMWF
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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±3°84° to 87°models agree0% to 0% chance
Tomorrow±2°89° to 90°models agree0% to 0% chance
Sun±4°84° to 88°models agree0% to 0% chance
Mon±7°85° to 91°models agree0% to 0% chance
Tue±7°86° to 92°models agree0% to 0% 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 Rocklin

today, local time
Sunrise
06:49
Sunset
19:08
Daylight
12h 19m

Common questions

What's the weather in Rocklin today?
On this page we show what NWS, American, European each forecast for Rocklin 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 Rocklin today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Rocklin 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 Rocklin?
Over the last 30 days, the European model has been the most accurate for Rocklin (CheckWeather Score 97/100), ahead of the American at 86. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Rocklin?
July is typically the warmest month in Rocklin, with average highs around 101°F.
How cold does Rocklin get?
The coldest month in Rocklin is February, when overnight lows average about 40°F.
How much rain does Rocklin get?
Rocklin sees roughly 39 in of precipitation a year, with February usually the wettest month.

Nearby

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