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CheckWeather USGlendora
Forecast confidence: Medium · models disagree by 5°F

Glendora weather

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Mostly clear,rain likely tomorrow

NWS, the American and the European model put Glendora's high today between 88° and 93°, a 5° split. Tomorrow looks light rain around 79°, with a 98% chance of rain.

91°61°
79°69°
92°69°
93°74°
99°77°
98°77°
Todaysplit ±5°Tomorrowsplit ±7°Mondaysplit ±9°Tuesdaysplit ±7°Wednesdaysplit ±8°Thursdaysplit ±7°
NWSNational Blend (NBM)
88°
Mostly clear
Today 88°·Low 63°·Rain 0%
AmericanNOAA GFS
93°
Mostly clear
Today 93°·Low 61°·Rain 0%
EuropeanECMWF
93°
Light drizzle
Today 93°·Low 60°·Rain 65%

The weather map: all three models at once

NWS, American, European side by side around Glendora and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Mostly clear
91° 61°
±5°
Tomorrow
Light rain
79° 69°
±7°
Mon
Cloudy
92° 69°
±9°
Tue
Cloudy
93° 74°
±7°
Wed
Cloudy
99° 77°
±8°
Thu
Clear
98° 77°
±7°
Fri
Clear
91° 73°
models agree
Sat
Clear
86° 69°
models agree
Sun
Clear
88° 67°
±9°
Mon
Clear
90° 68°
±5°
Tue
Light drizzle
92° 70°
±14°
Wed
Cloudy
94° 74°
models agree
Thu
Light drizzle
90° 72°
±8°
Fri
Clear
90° 71°
±12°

Glendora, CA is at its warmest in Jul (average highs near 94°F) and coldest in Feb (lows around 43°F), with roughly 44 in of precipitation across the year. Below, compare what NWS, American, European forecast for Glendora 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.

Glendora climate by month

average daytime high and overnight low across a typical year
Jan
59°
44°
Feb
59°
43°
Mar
60°
45°
Apr
70°
49°
May
73°
53°
Jun
81°
58°
Jul
94°
67°
Aug
92°
68°
Sep
86°
63°
Oct
83°
59°
Nov
71°
50°
Dec
67°
49°

Which forecast is most accurate in Glendora?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
95
/100rank #1
92±0.8°F91±2.9 mph100100% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
94
/100rank #2
90±1.0°F91±2.8 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±5°88° to 93°±65%0% to 65% chance
Tomorrow±7°75° to 83°±49%49% to 98% chance
Mon±9°88° to 97°±15%3% to 18% chance
Tue±7°91° to 97°±3%7% to 10% chance
Wed±8°95° to 103°±1%9% to 10% 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 Glendora

today, local time
Sunrise
06:28
Sunset
19:12
Daylight
12h 44m

Common questions

What's the weather in Glendora today?
On this page we show what NWS, American, European each forecast for Glendora 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 Glendora today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Glendora 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 Glendora?
Over the last 30 days, the American model has been the most accurate for Glendora (CheckWeather Score 95/100), ahead of the European 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 Glendora?
July is typically the warmest month in Glendora, with average highs around 94°F.
How cold does Glendora get?
The coldest month in Glendora is February, when overnight lows average about 43°F.
How much rain does Glendora get?
Glendora sees roughly 44 in of precipitation a year, with February usually the wettest month.

Nearby

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