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Forecast confidence: High · models disagree by 3°F

Jacksonville (JAX) weather

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Cloudy,rain likely tomorrow

NWS, the American and the European model agree on a high near 86° in Jacksonville today. Tomorrow looks partly cloudy around 88°, with a 94% chance of rain.

86°75°
88°74°
87°74°
89°75°
88°76°
86°75°
Todaymodels agreeTomorrowmodels agreeSundaymodels agreeMondaysplit ±8°Tuesdaysplit ±8°Wednesdaysplit ±5°
NWSNational Blend (NBM)
87°
Light drizzle
Today 87°·Low 76°·Rain 22%
AmericanNOAA GFS
86°
Cloudy
Today 86°·Low 76°·Rain 22%
EuropeanECMWF
85°
Cloudy
Today 85°·Low 73°·Rain 33%
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Jacksonville weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Jacksonville weather in numbers

from 30 years of measured normals

Jacksonville swings 43°F across the year, from 91°F highs in July to 48°F lows in January, and September is usually the wettest month in a year that brings about 49 in of precipitation.

Warmest month
July
91°F average high
Coldest month
January
48°F average low
Wettest month
September
49 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
4 months
January, February, March and October
Residents
1 million
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The weather map: all three models at once

NWS, American, European side by side around Jacksonville and nearby towns.Live rain radar →
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Jacksonville in 3D: the weather on the streets, hour by hour

Rain, sun and real shadows drawn on a 3D map of Jacksonville, 48 hours ahead. Drag the timeline, pick what you are doing or where you are going, and read the verdict for that hour.Full screen ↗

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Jacksonville 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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Jacksonville 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Cloudy
86° 75°
models agree
Tomorrow
Partly cloudy
88° 74°
models agree
Sun
Showers
87° 74°
models agree
Mon
Light drizzle
89° 75°
±8°
Tue
Drizzle
88° 76°
±8°
Wed
Light drizzle
86° 75°
±5°
Thu
Light drizzle
85° 75°
±4°
Fri
Drizzle
86° 74°
±10°
Sat
Light drizzle
84° 74°
±13°
Sun
Light drizzle
82° 72°
models agree
Mon
Light rain
84° 72°
±7°
Tue
Cloudy
88° 74°
±8°
Wed
Cloudy
88° 74°
models agree
Thu
Cloudy
80° 73°
models agree

Jacksonville, Florida (FL). Often shortened to JAX. Below we compare what NWS, American, European forecast for Jacksonville right now and flag exactly where they disagree, then break down Jacksonville's weather month by month and which forecast model has been most accurate here.

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.

Jacksonville weather by month

what to expect in Jacksonville through the year

Here is Jacksonville's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Jacksonville by season.

Jan
66°
48°
Mild
Feb
71°
52°
Mild
Mar
75°
57°
Warm
Apr
80°
61°
Warm
May
85°
68°
Hot
Jun
89°
73°
Hot
Jul
91°
76°
Hot
Aug
89°
76°
Hot
Sep
85°
73°
Hot
Wettest
Oct
78°
65°
Warm
Nov
73°
59°
Warm
Dec
65°
51°
Mild

What Jacksonville's weather is like through the year

Jacksonville runs from warm summers, with July highs near 91°F, to cold winters, when January lows sit around 48°F (a swing of about 43°F across the year). September is usually the wettest month, and Jacksonville sees roughly 49 inches of precipitation annually.

Best time to visit Jacksonville

The most comfortable time to visit Jacksonville is usually January, February, March and October, when daytime highs sit in the pleasant 60-78°F range and the heaviest September rain is behind you.

Which forecast is most accurate in Jacksonville?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
92
/100rank #1
86±1.4°F96±1.2 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
49
/100rank #2
67±3.3°F90±3.1 mph023% 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.

Bottom line: over the last 30 days the European model has been the most accurate forecast for Jacksonville, scoring 92/100 on our CheckWeather Score, ahead of the American at 49. See the full US accuracy scoreboard for exactly how every model is tested.

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°85° to 87°±11%22% to 33% chance
Tomorrow±1°88° to 89°±88%6% to 94% chance
Sun±4°86° to 90°±61%26% to 87% chance
Mon±8°85° to 93°±40%50% to 90% chance
Tue±8°85° to 93°±18%70% to 88% 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 Jacksonville

today, local time
Sunrise
07:12
Sunset
19:28
Daylight
12h 16m

Common questions

What's the weather in Jacksonville today?
On this page we show what NWS, American, European each forecast for Jacksonville 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 Jacksonville today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Jacksonville 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 Jacksonville?
Over the last 30 days, the European model has been the most accurate for Jacksonville (CheckWeather Score 92/100), ahead of the American at 49. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Jacksonville?
July is typically the warmest month in Jacksonville, with average highs around 91°F.
How cold does Jacksonville get?
The coldest month in Jacksonville is January, when overnight lows average about 48°F.
How much rain does Jacksonville get?
Jacksonville sees roughly 49 in of precipitation a year, with September usually the wettest month.
When is the best time to visit Jacksonville?
The most comfortable time to visit Jacksonville is usually January, February, March and October, when daytime highs sit in the pleasant 60-78°F range and the heaviest September rain is behind you.
Does it snow in Jacksonville?
Rarely - Jacksonville very seldom sees overnight lows drop below freezing, so lasting snow is unusual.

Nearby

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