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CheckWeather USFairfield
Forecast confidence: High · models disagree by 2°F

Fairfield weather

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Mostly clear,much the same tomorrow

NWS, the American and the European model agree on a high near 80° in Fairfield today. Tomorrow looks cloudy around 79°, with a 0% chance of rain.

80°53°
79°55°
90°55°
94°61°
101°69°
99°73°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaysplit ±6°Wednesdaysplit ±12°Thursdaysplit ±13°
NWSNational Blend (NBM)
79°
Mostly clear
Today 79°·Low 54°·Rain 0%
AmericanNOAA GFS
81°
Cloudy
Today 81°·Low 51°·Rain 0%
EuropeanECMWF
81°
Partly cloudy
Today 81°·Low 55°·Rain 0%

The weather map: all three models at once

NWS, American, European side by side around Fairfield 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
Mostly clear
80° 53°
models agree
Tomorrow
Cloudy
79° 55°
models agree
Mon
Clear
90° 55°
models agree
Tue
Cloudy
94° 61°
±6°
Wed
Cloudy
101° 69°
±12°
Thu
Mostly clear
99° 73°
±13°
Fri
Mostly clear
84° 63°
models agree
Sat
Mostly clear
81° 60°
models agree
Sun
Mostly clear
79° 58°
±12°
Mon
Mostly clear
83° 58°
±15°
Tue
Mostly clear
85° 57°
±13°
Wed
Cloudy
93° 57°
±17°
Thu
Cloudy
89° 59°
±7°
Fri
Clear
86° 56°
models agree

Fairfield, 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 Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
92
/100rank #1
82±1.8°F95±1.6 mph100100% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
91
/100rank #2
79±2.1°F98±0.5 mph100100% 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±2°79° to 81°models agree0% to 0% chance
Tomorrow±2°78° to 80°models agree0% to 0% chance
Mon±4°88° to 91°models agree0% to 0% chance
Tue±6°91° to 97°±1%1% to 2% chance
Wed±12°94° to 107°±1%3% to 4% 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
06:41
Sunset
19:31
Daylight
12h 50m

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 92/100), ahead of the European at 91. 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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