Skip to main content
One weather site to rule them all
checkweather.io
CheckWeather USSan Leandro
Forecast confidence: Medium · models disagree by 6°F

San Leandro weather

Loading live data…

Cloudy,much the same tomorrow

NWS, the American and the European model put San Leandro's high today between 69° and 75°, a 6° split. Tomorrow looks fog around 72°, with a 0% chance of rain.

72°57°
72°58°
69°59°
71°58°
74°58°
84°59°
Todaysplit ±6°Tomorrowsplit ±8°Sundaysplit ±15°Mondaysplit ±15°Tuesdaysplit ±17°Wednesdaysplit ±20°
NWSNational Blend (NBM)
73°
Partly cloudy
Today 73°·Low 59°·Rain 0%
AmericanNOAA GFS
75°
Cloudy
Today 75°·Low 56°·Rain 0%
EuropeanECMWF
69°
Cloudy
Today 69°·Low 57°·Rain 0%
CheckWeather.io on iPhoneFree. No ads, no account.

San Leandro weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering San Leandro…

San Leandro weather in numbers

from 30 years of measured normals

San Leandro swings 33°F across the year, from 75°F highs in October to 42°F lows in February, and January is usually the wettest month in a year that brings about 36 in of precipitation.

Warmest month
October
75°F average high
Coldest month
February
42°F average low
Wettest month
January
36 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
4 months
April, May, June and July
Residents
91,000
share this forecast

The weather map: all three models at once

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

San Leandro 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

Loading the three models…

San Leandro 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Cloudy
72° 57°
±6°
Tomorrow
Fog
72° 58°
±8°
Sun
Cloudy
69° 59°
±15°
Mon
Cloudy
71° 58°
±15°
Tue
Partly cloudy
74° 58°
±17°
Wed
Cloudy
84° 59°
±20°
Thu
Mostly clear
81° 62°
±10°
Fri
Mostly clear
76° 61°
±15°
Sat
Cloudy
76° 60°
±21°
Sun
Partly cloudy
75° 59°
±20°
Mon
Cloudy
75° 58°
±10°
Tue
Drizzle
72° 58°
±7°
Wed
Partly cloudy
70° 56°
models agree
Thu
Clear
71° 55°
±11°

San Leandro, California (CA) is at its warmest in Oct (average highs near 75°F) and coldest in Feb (lows around 42°F), with roughly 36 in of precipitation across the year. Below, compare what NWS, American, European forecast for San Leandro 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 Leandro climate by month

average daytime high and overnight low across a typical year
Jan
57°
44°
Feb
56°
42°
Mar
57°
45°
Apr
61°
47°
May
65°
51°
Jun
69°
53°
Jul
74°
56°
Aug
74°
57°
Sep
73°
56°
Oct
75°
55°
Nov
63°
46°
Dec
59°
45°

Which forecast is most accurate in San Leandro?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
84
/100rank #1
68±3.2°F96±1.1 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
80
/100rank #2
54±4.6°F95±1.6 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.

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)
Loading ratings…
AmericanNOAA GFS
Loading ratings…
EuropeanECMWF
Loading ratings…

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±6°69° to 75°models agree0% to 0% chance
Tomorrow±8°67° to 75°models agree0% to 0% chance
Sun±15°63° to 78°models agree2% to 2% chance
Mon±15°64° to 79°models agree0% to 0% chance
Tue±17°66° to 83°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 San Leandro

today, local time
Sunrise
06:53
Sunset
19:11
Daylight
12h 18m

Common questions

What's the weather in San Leandro today?
On this page we show what NWS, American, European each forecast for San Leandro 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 Leandro today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for San Leandro 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 Leandro?
Over the last 30 days, the European model has been the most accurate for San Leandro (CheckWeather Score 84/100), ahead of the American at 80. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in San Leandro?
October is typically the warmest month in San Leandro, with average highs around 75°F.
How cold does San Leandro get?
The coldest month in San Leandro is February, when overnight lows average about 42°F.
How much rain does San Leandro get?
San Leandro sees roughly 36 in of precipitation a year, with January usually the wettest month.

Nearby

More US weather