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

San Jacinto weather

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Mostly clear,rain likely tomorrow

NWS, the American and the European model put San Jacinto's high today between 89° and 95°, a 5° split. Tomorrow looks drizzle around 81°, with a 84% chance of rain.

92°61°
81°69°
93°69°
97°71°
102°76°
102°76°
Todaysplit ±5°Tomorrowsplit ±4°Mondaysplit ±6°Tuesdaysplit ±6°Wednesdaysplit ±9°Thursdaysplit ±10°
NWSNational Blend (NBM)
89°
Mostly clear
Today 89°·Low 63°·Rain 3%
AmericanNOAA GFS
95°
Partly cloudy
Today 95°·Low 56°·Rain 3%
EuropeanECMWF
92°
Cloudy
Today 92°·Low 64°·Rain 48%

The weather map: all three models at once

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

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Mostly clear
92° 61°
±5°
Tomorrow
Drizzle
81° 69°
±4°
Mon
Light drizzle
93° 69°
±6°
Tue
Cloudy
97° 71°
±6°
Wed
Light drizzle
102° 76°
±9°
Thu
Light drizzle
102° 76°
±10°
Fri
Clear
95° 73°
models agree
Sat
Clear
90° 66°
±4°
Sun
Mostly clear
92° 64°
±4°
Mon
Clear
94° 66°
±8°
Tue
Light drizzle
95° 69°
±14°
Wed
Light drizzle
96° 73°
±5°
Thu
Light drizzle
92° 72°
±7°
Fri
Clear
91° 71°
±11°

San Jacinto, CA is at its warmest in Jul (average highs near 100°F) and coldest in Jan (lows around 42°F), with roughly 32 in of precipitation across the year. Below, compare what NWS, American, European forecast for San Jacinto 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.

San Jacinto climate by month

average daytime high and overnight low across a typical year
Jan
59°
42°
Feb
58°
42°
Mar
60°
45°
Apr
72°
49°
May
77°
53°
Jun
86°
59°
Jul
100°
71°
Aug
96°
70°
Sep
89°
65°
Oct
85°
60°
Nov
71°
48°
Dec
68°
47°

Which forecast is most accurate in San Jacinto?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
98
/100rank #1
96±0.4°F97±1.1 mph100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
93
/100rank #2
88±1.2°F92±2.6 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±5°89° to 95°±45%3% to 48% chance
Tomorrow±4°79° to 84°±44%40% to 84% chance
Mon±6°91° to 97°±19%5% to 24% chance
Tue±6°94° to 100°±1%9% to 10% chance
Wed±9°97° to 106°±4%25% to 29% 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 San Jacinto

today, local time
Sunrise
06:24
Sunset
19:08
Daylight
12h 44m

Common questions

What's the weather in San Jacinto today?
On this page we show what NWS, American, European each forecast for San Jacinto 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 San Jacinto today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for San Jacinto 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 San Jacinto?
Over the last 30 days, the European model has been the most accurate for San Jacinto (CheckWeather Score 98/100), ahead of the American at 93. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in San Jacinto?
July is typically the warmest month in San Jacinto, with average highs around 100°F.
How cold does San Jacinto get?
The coldest month in San Jacinto is January, when overnight lows average about 42°F.
How much rain does San Jacinto get?
San Jacinto sees roughly 32 in of precipitation a year, with March usually the wettest month.

Nearby

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