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Forecast confidence: High · models disagree by 3°F

Perris weather

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Mostly clear,much the same tomorrow

NWS, the American and the European model agree on a high near 85° in Perris today. Tomorrow looks partly cloudy around 89°, with a 0% chance of rain.

85°59°
89°58°
89°60°
83°60°
87°59°
96°63°
Todaymodels agreeTomorrowsplit ±5°Sundaysplit ±7°Mondaysplit ±4°Tuesdaysplit ±5°Wednesdaysplit ±7°
NWSNational Blend (NBM)
78°
Clear
Feels 82° · Wind 1 mph · Humidity 42%
AmericanNOAA GFS
80°
Clear
Feels 84° · Wind 2 mph · Humidity 40%
EuropeanECMWF
83°
Clear
Feels 87° · Wind 1 mph · Humidity 33%

Latest for Perris: NWS (National Blend (NBM)): 78° Clear · American (NOAA GFS): 80° Clear · European (ECMWF): 83° Clear.

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Perris weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Perris weather in numbers

from 30 years of measured normals

Perris swings 59°F across the year, from 100°F highs in July to 41°F lows in February, and February is usually the wettest month in a year that brings about 19 in of precipitation.

Warmest month
July
100°F average high
Coldest month
February
41°F average low
Wettest month
February
19 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
4 months
March, April, November and December
Residents
75,000
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The weather map: all three models at once

NWS, American, European side by side around Perris and nearby towns.Live rain radar →
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Perris 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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Perris 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Mostly clear
85° 59°
models agree
Tomorrow
Partly cloudy
89° 58°
±5°
Sun
Partly cloudy
89° 60°
±7°
Mon
Partly cloudy
83° 60°
±4°
Tue
Clear
87° 59°
±5°
Wed
Clear
96° 63°
±7°
Thu
Clear
95° 66°
models agree
Fri
Clear
93° 67°
±8°
Sat
Mostly clear
92° 66°
±12°
Sun
Light drizzle
94° 69°
±13°
Mon
Mostly clear
96° 69°
±19°
Tue
Cloudy
99° 71°
models agree
Wed
Clear
86° 65°
±15°
Thu
Clear
83° 63°
±15°

Perris, California (CA) is at its warmest in Jul (average highs near 100°F) and coldest in Feb (lows around 41°F), with roughly 19 in of precipitation across the year. Below, compare what NWS, American, European forecast for Perris 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.

Perris climate by month

average daytime high and overnight low across a typical year
Jan
59°
42°
Feb
59°
41°
Mar
60°
44°
Apr
74°
48°
May
79°
54°
Jun
87°
59°
Jul
100°
70°
Aug
96°
68°
Sep
89°
63°
Oct
85°
58°
Nov
72°
47°
Dec
69°
44°

Which forecast is most accurate in Perris?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
96
/100rank #1
93±0.7°F95±1.4 mph100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
94
/100rank #2
90±1.0°F91±2.7 mph100100% 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 86°±1%0% to 1% chance
Tomorrow±5°87° to 92°models agree0% to 0% chance
Sun±7°85° to 91°models agree0% to 0% chance
Mon±4°81° to 85°±6%2% to 8% chance
Tue±5°85° to 90°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 Perris

today, local time
Sunrise
06:34
Sunset
18:50
Daylight
12h 16m

Common questions

What's the weather in Perris today?
On this page we show what NWS, American, European each forecast for Perris 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 Perris today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Perris 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 Perris?
Over the last 30 days, the European model has been the most accurate for Perris (CheckWeather Score 96/100), ahead of the American at 94. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Perris?
July is typically the warmest month in Perris, with average highs around 100°F.
How cold does Perris get?
The coldest month in Perris is February, when overnight lows average about 41°F.
How much rain does Perris get?
Perris sees roughly 19 in of precipitation a year, with February usually the wettest month.

Nearby

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