Skip to main content
One weather site to rule them all
checkweather.io
CheckWeather US›California›Rowland Heights
Forecast confidence: Medium · models disagree by 5°F

Rowland Heights weather

Loading live data…

Clear,much the same tomorrow

NWS, the American and the European model put Rowland Heights's high today between 74° and 79°, a 5° split. Tomorrow: clear, around 79°, with a 0% chance of rain.

76°55°
79°56°
79°60°
78°59°
76°59°
73°61°
Todaysplit ±5°Tomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaysplit ±5°Thursdaysplit ±6°
NWSNational Blend (NBM)
56°
Clear
Feels 56° · Wind 3 mph · Humidity 92%
AmericanNOAA GFS
59°
Clear
Feels 58° · Wind 5 mph · Humidity 80%
EuropeanECMWF
52°
Overcast
Feels 52° · Wind 3 mph · Humidity 99%

Latest for Rowland Heights: NWS (National Blend (NBM)): 56° Clear · American (NOAA GFS): 59° Clear · European (ECMWF): 52° Overcast.

CheckWeather.io on iPhoneFree. No ads, no account.

Rowland Heights weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Rowland Heights…

Rowland Heights weather in numbers

measured normals and 10 years of recorded weather

Rowland Heights swings 47°F across the year, from 89°F highs in July to 42°F lows in December, and February is usually the wettest month in a year that brings about 19 in of precipitation. Over 10 years of recorded weather it averages 185 days a year at 77°F or above, 95 of them at 86°F or above, 0 frost nights, and rain on 39 days.

Warmest month
July
89°F average high
Coldest month
December
42°F average low
Wettest month
February
19 in a year
Comfortable
4 months
January, March, April and May
Residents
49,000
share this forecast
Most accurate here
European
94/100 CheckWeather Score
Warm days
185 days
a year at 77°F or above
Frost nights
0 nights
a year below 32°F
Rain days
39 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for Rowland Heights’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

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

Rowland Heights 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…

Rowland Heights 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Clear
76° 55°
±5°
Tomorrow
Clear
79° 56°
models agree
Mon
Clear
79° 60°
models agree
Tue
Mostly clear
78° 59°
models agree
Wed
Cloudy
76° 59°
±5°
Thu
Cloudy
73° 61°
±6°
Fri
Drizzle
70° 61°
models agree
Sat
Light rain
69° 60°
±9°
Sun
Light rain
72° 60°
±18°
Mon
Drizzle
74° 61°
±19°
Tue
Light drizzle
75° 63°
±5°
Wed
Light drizzle
75° 60°
models agree
Thu
Cloudy
76° 62°
±5°

Rowland Heights, California (CA) is at its warmest in Jul (average highs near 89°F) and coldest in Dec (lows around 42°F), with roughly 19 in of precipitation across the year. Below, compare what NWS, American, European forecast for Rowland Heights 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.

Rowland Heights climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
62°
45°
Feb
63°
46°
Mar
64°
48°
Apr
72°
49°
May
76°
55°
Jun
82°
59°
Jul
89°
59°
Aug
89°
61°
Sep
86°
62°
Oct
80°
53°
Nov
72°
48°
Dec
63°
42°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Rowland Heights has changed since 1995

Rowland Heights sits in the same roughly 50 km square of NASA's reanalysis as Los Angeles. That square ran 1.1°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Los Angeles page.

Which forecast is most accurate in Rowland Heights?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
94
/100rank #1
90±1.0°F97±1.0 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
84
/100rank #2
86±1.4°F91±2.9 mph7687% 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±5°74° to 79°±1%0% to 1% chance
Tomorrow±3°78° to 81°models agree0% to 0% chance
Mon±2°79° to 81°models agree0% to 0% chance
Tue±3°77° to 80°models agree0% to 0% chance
Wed±5°73° to 78°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 Rowland Heights

today, local time
Sunrise
07:04
Sunset
18:06
Daylight
11h 2m

Common questions

What's the weather in Rowland Heights today?
Saturday, October 24: NWS, the American and the European model put Rowland Heights's high today between 74° and 79°, a 5° split. Tomorrow: clear, around 79°, with a 0% chance of rain. The forecast on this page refreshes live.
Will it rain in Rowland Heights today or tomorrow?
Rain looks unlikely in Rowland Heights on Sunday, October 25: no model gives more than 0% (NWS 0%, American 0%, European 0%). On Saturday, October 24 the highest chance of rain from any model is 1%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Rowland Heights?
Over the last 30 days, the European model has been the most accurate for Rowland Heights (CheckWeather Score 94/100), ahead of the American at 84. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Rowland Heights?
July is typically the warmest month in Rowland Heights, with average highs around 89°F.
How cold does Rowland Heights get?
The coldest month in Rowland Heights is December, when overnight lows average about 42°F.
How much rain does Rowland Heights get?
Rowland Heights sees roughly 19 in of precipitation a year, with February usually the wettest month.

Nearby

More US weather