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Forecast confidence: High · models disagree by 3°F

Fairfield weather

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Clear,much the same tomorrow

NWS, the American and the European model agree on a high near 83° in Fairfield today. Tomorrow looks cloudy around 85°, with a 0% chance of rain.

83°55°
85°57°
77°57°
78°57°
83°57°
96°58°
Todaymodels agreeTomorrowmodels agreeSundaysplit ±7°Mondaysplit ±5°Tuesdaysplit ±6°Wednesdaysplit ±6°
NWSNational Blend (NBM)
84°
Clear
Today 84°·Low 56°·Rain 0%
AmericanNOAA GFS
81°
Clear
Today 81°·Low 54°·Rain 0%
EuropeanECMWF
84°
Clear
Today 84°·Low 56°·Rain 0%
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Fairfield weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Fairfield…

Fairfield weather in numbers

from 30 years of measured normals

Fairfield swings 49°F across the year, from 90°F highs in July to 41°F lows in February, and January is usually the wettest month in a year that brings about 34 in of precipitation.

Warmest month
July
90°F average high
Coldest month
February
41°F average low
Wettest month
January
34 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
3 months
April, May and November
Residents
113,000
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The weather map: all three models at once

NWS, American, European side by side around Fairfield and nearby towns.Live rain radar →
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Fairfield 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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Fairfield 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Clear
83° 55°
models agree
Tomorrow
Cloudy
85° 57°
models agree
Sun
Cloudy
77° 57°
±7°
Mon
Cloudy
78° 57°
±5°
Tue
Mostly clear
83° 57°
±6°
Wed
Mostly clear
96° 58°
±6°
Thu
Mostly clear
92° 64°
±13°
Fri
Cloudy
81° 61°
±11°
Sat
Cloudy
83° 60°
±22°
Sun
Mostly clear
84° 59°
±15°
Mon
Mostly clear
84° 58°
±10°
Tue
Light rain
86° 57°
±9°
Wed
Mostly clear
84° 57°
±12°
Thu
Clear
82° 55°
models agree

Fairfield, California (CA) is at its warmest in Jul (average highs near 90°F) and coldest in Feb (lows around 41°F), with roughly 34 in of precipitation across the year. Below, compare what NWS, American, European forecast for Fairfield 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.

Fairfield climate by month

average daytime high and overnight low across a typical year
Jan
57°
43°
Feb
57°
41°
Mar
59°
43°
Apr
68°
46°
May
73°
51°
Jun
80°
55°
Jul
90°
57°
Aug
87°
58°
Sep
83°
56°
Oct
80°
55°
Nov
65°
46°
Dec
59°
43°

Which forecast is most accurate in Fairfield?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
American logo
American ★ Best
93
/100rank #1
89±1.1°F95±1.6 mph9597% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
92
/100rank #2
85±1.5°F98±0.7 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.

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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±3°81° to 84°models agree0% to 0% chance
Tomorrow±2°84° to 86°models agree0% to 0% chance
Sun±7°74° to 81°models agree0% to 0% chance
Mon±5°76° to 81°models agree0% to 0% chance
Tue±6°80° to 87°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 Fairfield

today, local time
Sunrise
06:52
Sunset
19:11
Daylight
12h 19m

Common questions

What's the weather in Fairfield today?
On this page we show what NWS, American, European each forecast for Fairfield 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 Fairfield today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Fairfield 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 Fairfield?
Over the last 30 days, the American model has been the most accurate for Fairfield (CheckWeather Score 93/100), ahead of the European at 92. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Fairfield?
July is typically the warmest month in Fairfield, with average highs around 90°F.
How cold does Fairfield get?
The coldest month in Fairfield is February, when overnight lows average about 41°F.
How much rain does Fairfield get?
Fairfield sees roughly 34 in of precipitation a year, with January usually the wettest month.

Nearby

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