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Marysville weather

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Marysville weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Marysville weather in numbers

measured normals and 10 years of recorded weather

Marysville swings 62°F across the year, from 100°F highs in July to 38°F lows in December, and January is usually the wettest month in a year that brings about 23 in of precipitation. Over 10 years of recorded weather it averages 177 days a year at 77°F or above, 131 of them at 86°F or above, 11 frost nights, and rain on 62 days.

Warmest month
July
100°F average high
Coldest month
December
38°F average low
Wettest month
January
23 in a year
Comfortable
3 months
March, April and November
Residents
12,000
share this forecast
Warm days
177 days
a year at 77°F or above
Frost nights
11 nights
a year below 32°F
Rain days
62 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for Marysville’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 Marysville and nearby towns.Live rain radar →
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Marysville 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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Marysville 10-day forecast, out to 14 days

where the models agree, and where they split

Marysville, California (CA) is at its warmest in Jul (average highs near 100°F) and coldest in Dec (lows around 38°F), with roughly 23 in of precipitation across the year. Below, compare what NWS, American, European forecast for Marysville 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.

Marysville climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
55°
40°
Feb
59°
41°
Mar
62°
46°
Apr
71°
47°
May
83°
55°
Jun
93°
61°
Jul
100°
64°
Aug
96°
64°
Sep
91°
61°
Oct
79°
52°
Nov
63°
42°
Dec
55°
38°

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

How the weather around Marysville has changed since 1995

Marysville sits in the same roughly 50 km square of NASA's reanalysis as Yuba City. That square ran 1.4°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Yuba City 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 Marysville today?
On this page we show what NWS, American, European each forecast for Marysville 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 Marysville today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Marysville 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 Marysville?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Marysville 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 Marysville?
July is typically the warmest month in Marysville, with average highs around 100°F.
How cold does Marysville get?
The coldest month in Marysville is December, when overnight lows average about 38°F.
How much rain does Marysville get?
Marysville sees roughly 23 in of precipitation a year, with January usually the wettest month.

Nearby

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