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Loma Linda weather

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Loma Linda weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Loma Linda weather in numbers

measured normals and 10 years of recorded weather

Loma Linda swings 57°F across the year, from 96°F highs in August to 39°F lows in December, and February is usually the wettest month in a year that brings about 21 in of precipitation. Over 10 years of recorded weather it averages 197 days a year at 77°F or above, 127 of them at 86°F or above, 1 frost night, and rain on 50 days.

Warmest month
August
96°F average high
Coldest month
December
39°F average low
Wettest month
February
21 in a year
Comfortable
4 months
January, March, April and November
Residents
24,000
share this forecast
Warm days
197 days
a year at 77°F or above
Frost nights
1 night
a year below 32°F
Rain days
50 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for Loma Linda’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

NWS, American, European side by side around Loma Linda and nearby towns.Live rain radar →
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Loma Linda 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

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Loma Linda 10-day forecast, out to 14 days

where the models agree, and where they split

Loma Linda, California (CA) is at its warmest in Aug (average highs near 96°F) and coldest in Dec (lows around 39°F), with roughly 21 in of precipitation across the year. Below, compare what NWS, American, European forecast for Loma Linda 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.

Loma Linda climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
62°
44°
Feb
63°
45°
Mar
65°
48°
Apr
73°
48°
May
80°
55°
Jun
87°
59°
Jul
95°
64°
Aug
96°
67°
Sep
90°
64°
Oct
81°
54°
Nov
71°
46°
Dec
62°
39°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Loma Linda has changed since 1995

Loma Linda sits in the same roughly 50 km square of NASA's reanalysis as Riverside. That square ran 1.4°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Riverside page.

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
93
/100rank #1
91±0.9°F97±1.1 mph9396% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
82
/100rank #2
83±1.7°F94±2.0 mph7184% 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)
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AmericanNOAA GFS
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EuropeanECMWF
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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.

Common questions

What's the weather in Loma Linda today?
On this page we show what NWS, American, European each forecast for Loma Linda 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 Loma Linda today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Loma Linda 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 Loma Linda?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Loma Linda forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Loma Linda?
August is typically the warmest month in Loma Linda, with average highs around 96°F.
How cold does Loma Linda get?
The coldest month in Loma Linda is December, when overnight lows average about 39°F.
How much rain does Loma Linda get?
Loma Linda sees roughly 21 in of precipitation a year, with February usually the wettest month.

Nearby

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