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CheckWeather USSan Luis Obispo
Forecast confidence: Medium · models disagree by 7°F

San Luis Obispo weather

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Partly cloudy,much the same tomorrow

NWS, the American and the European model put San Luis Obispo's high today between 74° and 80°, a 7° split. Tomorrow looks mostly clear around 75°, with a 10% chance of rain.

77°56°
75°56°
78°55°
82°59°
96°68°
91°70°
Todaysplit ±7°Tomorrowmodels agreeMondaymodels agreeTuesdaysplit ±13°Wednesdaysplit ±25°Thursdaysplit ±23°
NWSNational Blend (NBM)
74°
Partly cloudy
Today 74°·Low 56°·Rain 0%
AmericanNOAA GFS
80°
Partly cloudy
Today 80°·Low 57°·Rain 0%
EuropeanECMWF
76°
Cloudy
Today 76°·Low 54°·Rain 0%

The weather map: all three models at once

NWS, American, European side by side around San Luis Obispo 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
Partly cloudy
77° 56°
±7°
Tomorrow
Mostly clear
75° 56°
models agree
Mon
Mostly clear
78° 55°
models agree
Tue
Cloudy
82° 59°
±13°
Wed
Cloudy
96° 68°
±25°
Thu
Mostly clear
91° 70°
±23°
Fri
Mostly clear
85° 61°
±15°
Sat
Partly cloudy
75° 58°
models agree
Sun
Partly cloudy
75° 57°
±8°
Mon
Partly cloudy
78° 56°
±12°
Tue
Partly cloudy
82° 60°
±22°
Wed
Cloudy
88° 62°
±14°
Thu
Cloudy
84° 56°
±5°
Fri
Cloudy
77° 57°
±7°

San Luis Obispo, CA is at its warmest in Jul (average highs near 83°F) and coldest in Feb (lows around 42°F), with roughly 33 in of precipitation across the year. Below, compare what NWS, American, European forecast for San Luis Obispo 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 Luis Obispo climate by month

average daytime high and overnight low across a typical year
Jan
61°
43°
Feb
61°
42°
Mar
61°
44°
Apr
67°
47°
May
67°
50°
Jun
72°
54°
Jul
83°
58°
Aug
83°
59°
Sep
79°
57°
Oct
82°
54°
Nov
70°
45°
Dec
66°
45°

Which forecast is most accurate in San Luis Obispo?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
81
/100rank #1
65±3.5°F87±4.0 mph9597% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
74
/100rank #2
40±6.0°F97±1.1 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±7°74° to 80°models agree0% to 0% chance
Tomorrow±2°74° to 76°±9%1% to 10% chance
Mon±4°77° to 81°models agree0% to 0% chance
Tue±13°77° to 90°±1%11% to 12% chance
Wed±25°83° to 108°±8%10% 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 San Luis Obispo

today, local time
Sunrise
06:38
Sunset
19:24
Daylight
12h 46m

Common questions

What's the weather in San Luis Obispo today?
On this page we show what NWS, American, European each forecast for San Luis Obispo 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 Luis Obispo today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for San Luis Obispo 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 Luis Obispo?
Over the last 30 days, the American model has been the most accurate for San Luis Obispo (CheckWeather Score 81/100), ahead of the European at 74. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in San Luis Obispo?
July is typically the warmest month in San Luis Obispo, with average highs around 83°F.
How cold does San Luis Obispo get?
The coldest month in San Luis Obispo is February, when overnight lows average about 42°F.
How much rain does San Luis Obispo get?
San Luis Obispo sees roughly 33 in of precipitation a year, with January usually the wettest month.

Nearby

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