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Every US forecast, compared
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CheckWeather USSantee
Forecast confidence: Medium · models disagree by 6°F

Santee weather

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Cloudy,much the same tomorrow

NWS, the American and the European model put Santee's high today between 89° and 96°, a 6° split. Tomorrow looks cloudy around 91°, with a 39% chance of rain.

93°63°
91°74°
96°73°
97°76°
98°77°
94°76°
Todaysplit ±6°Tomorrowmodels agreeMondaysplit ±7°Tuesdaysplit ±7°Wednesdaysplit ±7°Thursdaysplit ±4°
NWSNational Blend (NBM)
89°
Partly cloudy
Today 89°·Low 66°·Rain 6%
AmericanNOAA GFS
96°
Cloudy
Today 96°·Low 59°·Rain 6%
EuropeanECMWF
93°
Cloudy
Today 93°·Low 63°·Rain 39%

The weather map: all three models at once

NWS, American, European side by side around Santee 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
Cloudy
93° 63°
±6°
Tomorrow
Cloudy
91° 74°
models agree
Mon
Cloudy
96° 73°
±7°
Tue
Cloudy
97° 76°
±7°
Wed
Cloudy
98° 77°
±7°
Thu
Clear
94° 76°
±4°
Fri
Clear
88° 72°
models agree
Sat
Partly cloudy
84° 69°
models agree
Sun
Mostly clear
85° 66°
models agree
Mon
Mostly clear
86° 67°
±8°
Tue
Light drizzle
90° 67°
±13°
Wed
Drizzle
90° 72°
models agree
Thu
Drizzle
87° 71°
±4°
Fri
Mostly clear
88° 71°
±10°

Santee, CA is at its warmest in Aug (average highs near 88°F) and coldest in Jan (lows around 46°F), with roughly 26 in of precipitation across the year. Below, compare what NWS, American, European forecast for Santee 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.

Santee climate by month

average daytime high and overnight low across a typical year
Jan
63°
46°
Feb
63°
46°
Mar
63°
48°
Apr
69°
51°
May
71°
55°
Jun
77°
59°
Jul
87°
64°
Aug
88°
65°
Sep
84°
64°
Oct
83°
59°
Nov
74°
51°
Dec
70°
49°

Which forecast is most accurate in Santee?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
91
/100rank #1
90±1.0°F94±2.0 mph8994% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
79
/100rank #2
54±4.6°F98±0.8 mph9597% 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±6°89° to 96°±33%6% to 39% chance
Tomorrow±3°89° to 92°±31%8% to 39% chance
Mon±7°93° to 99°±3%3% to 6% chance
Tue±7°92° to 99°±9%4% to 13% chance
Wed±7°94° to 101°±16%2% to 18% 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 Santee

today, local time
Sunrise
06:25
Sunset
19:07
Daylight
12h 42m

Common questions

What's the weather in Santee today?
On this page we show what NWS, American, European each forecast for Santee 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 Santee today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Santee 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 Santee?
Over the last 30 days, the American model has been the most accurate for Santee (CheckWeather Score 91/100), ahead of the European at 79. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Santee?
August is typically the warmest month in Santee, with average highs around 88°F.
How cold does Santee get?
The coldest month in Santee is January, when overnight lows average about 46°F.
How much rain does Santee get?
Santee sees roughly 26 in of precipitation a year, with March usually the wettest month.

Nearby

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