Skip to main content
One weather site to rule them all
checkweather.io
CheckWeather US›California›Rancho Penasquitos
Forecast confidence: High · models disagree by 1°F

Rancho Penasquitos weather

Loading live data…

Clear,much the same tomorrow

NWS, the American and the European model agree on a high near 74° in Rancho Penasquitos today. Tomorrow: mostly clear, around 78°, with a 0% chance of rain.

74°55°
78°56°
78°59°
77°58°
75°58°
74°60°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaysplit ±5°Thursdaymodels agree
NWSNational Blend (NBM)
74°
Clear
Today 74°·Low 56°·Rain 3%
AmericanNOAA GFS
75°
Cloudy
Today 75°·Low 56°·Rain 3%
EuropeanECMWF
74°
Clear
Today 74°·Low 53°·Rain 33%
CheckWeather.io on iPhoneFree. No ads, no account.

Rancho Penasquitos weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Rancho Penasquitos…

Rancho Penasquitos weather in numbers

measured normals and 10 years of recorded weather

Rancho Penasquitos swings 40°F across the year, from 82°F highs in August to 42°F lows in December, and February is usually the wettest month in a year that brings about 13 in of precipitation. Over 10 years of recorded weather it averages 133 days a year at 77°F or above, 35 of them at 86°F or above, 0 frost nights, and rain on 52 days.

Warmest month
August
82°F average high
Coldest month
December
42°F average low
Wettest month
February
13 in a year
Comfortable
4 months
January, March, April and May
Residents
60,000
share this forecast
Most accurate here
American
88/100 CheckWeather Score
Warm days
133 days
a year at 77°F or above
Frost nights
0 nights
a year below 32°F
Rain days
52 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for Rancho Penasquitos’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 Rancho Penasquitos and nearby towns.Live rain radar →
Loading the three model maps…

Rancho Penasquitos 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…

Rancho Penasquitos 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Clear
74° 55°
models agree
Tomorrow
Mostly clear
78° 56°
models agree
Mon
Mostly clear
78° 59°
models agree
Tue
Mostly clear
77° 58°
models agree
Wed
Cloudy
75° 58°
±5°
Thu
Cloudy
74° 60°
models agree
Fri
Drizzle
70° 61°
±5°
Sat
Heavy drizzle
71° 60°
±5°
Sun
Light rain
73° 60°
±15°
Mon
Drizzle
74° 61°
±15°
Tue
Light drizzle
75° 59°
±5°
Wed
Light drizzle
72° 59°
models agree
Thu
Partly cloudy
74° 62°
±5°

Rancho Penasquitos, California (CA) is at its warmest in Aug (average highs near 82°F) and coldest in Dec (lows around 42°F), with roughly 13 in of precipitation across the year. Below, compare what NWS, American, European forecast for Rancho Penasquitos 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.

Rancho Penasquitos climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
63°
46°
Feb
63°
46°
Mar
66°
51°
Apr
68°
51°
May
71°
58°
Jun
77°
62°
Jul
79°
60°
Aug
82°
64°
Sep
82°
65°
Oct
76°
54°
Nov
72°
48°
Dec
64°
42°

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

How the weather around Rancho Penasquitos has changed since 1995

Rancho Penasquitos sits in the same roughly 50 km square of NASA's reanalysis as Escondido. That square ran 1.2°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Escondido page.

Which forecast is most accurate in Rancho Penasquitos?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
American logo
American ★ Best
88
/100rank #1
84±1.6°F91±2.8 mph8994% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
81
/100rank #2
72±2.8°F95±1.5 mph8290% 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.

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±1°74° to 75°±30%3% to 33% chance
Tomorrow±1°78° to 78°models agree0% to 0% chance
Mon±2°78° to 79°models agree0% to 0% chance
Tue±3°75° to 78°models agree0% to 0% chance
Wed±5°72° to 77°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 Rancho Penasquitos

today, local time
Sunrise
06:59
Sunset
18:04
Daylight
11h 5m

Common questions

What's the weather in Rancho Penasquitos today?
Saturday, October 24: NWS, the American and the European model agree on a high near 74° in Rancho Penasquitos today. Tomorrow: mostly clear, around 78°, with a 0% chance of rain. The forecast on this page refreshes live.
Will it rain in Rancho Penasquitos today or tomorrow?
Rain looks unlikely in Rancho Penasquitos 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 33%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Rancho Penasquitos?
Over the last 30 days, the American model has been the most accurate for Rancho Penasquitos (CheckWeather Score 88/100), ahead of the European at 81. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Rancho Penasquitos?
August is typically the warmest month in Rancho Penasquitos, with average highs around 82°F.
How cold does Rancho Penasquitos get?
The coldest month in Rancho Penasquitos is December, when overnight lows average about 42°F.
How much rain does Rancho Penasquitos get?
Rancho Penasquitos sees roughly 13 in of precipitation a year, with February usually the wettest month.

Nearby

More US weather