Skip to main content
One weather site to rule them all
checkweather.io
CheckWeather USDeltona
Forecast confidence: High · models disagree by 4°F

Deltona weather

Loading live data…

Showers,rain likely tomorrow

NWS, the American and the European model agree on a high near 87° in Deltona today. Tomorrow looks heavy drizzle around 85°, with a 94% chance of rain.

87°74°
85°73°
84°73°
86°73°
89°73°
88°74°
Todaymodels agreeTomorrowmodels agreeSundaymodels agreeMondaysplit ±8°Tuesdaysplit ±12°Wednesdaysplit ±4°
NWSNational Blend (NBM)
87°
Showers
Today 87°·Low 75°·Rain 24%
AmericanNOAA GFS
90°
Light drizzle
Today 90°·Low 76°·Rain 24%
EuropeanECMWF
86°
Thunderstorm
Today 86°·Low 73°·Rain 92%
CheckWeather.io on iPhoneFree. No ads, no account.

Deltona weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Deltona…

Deltona weather in numbers

from 30 years of measured normals

Deltona swings 39°F across the year, from 91°F highs in July to 52°F lows in January, and September is usually the wettest month in a year that brings about 58 in of precipitation.

Warmest month
July
91°F average high
Coldest month
January
52°F average low
Wettest month
September
58 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
4 months
January, February, November and December
Residents
88,000
share this forecast

The weather map: all three models at once

NWS, American, European side by side around Deltona and nearby towns.Live rain radar →
Loading the three model maps…

Deltona 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

Loading the three models…

Deltona 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Showers
87° 74°
models agree
Tomorrow
Heavy drizzle
85° 73°
models agree
Sun
Drizzle
84° 73°
models agree
Mon
Drizzle
86° 73°
±8°
Tue
Drizzle
89° 73°
±12°
Wed
Drizzle
88° 74°
±4°
Thu
Light drizzle
88° 74°
±5°
Fri
Light drizzle
88° 74°
±6°
Sat
Drizzle
85° 73°
±10°
Sun
Drizzle
86° 72°
±9°
Mon
Light drizzle
86° 71°
±8°
Tue
Thunderstorm
86° 72°
models agree
Wed
Drizzle
86° 73°
models agree
Thu
Heavy drizzle
82° 72°
±8°

Deltona, Florida (FL) is at its warmest in Jul (average highs near 91°F) and coldest in Jan (lows around 52°F), with roughly 58 in of precipitation across the year. Below, compare what NWS, American, European forecast for Deltona 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.

Deltona climate by month

average daytime high and overnight low across a typical year
Jan
70°
52°
Feb
75°
55°
Mar
79°
60°
Apr
81°
62°
May
87°
68°
Jun
89°
73°
Jul
91°
76°
Aug
91°
76°
Sep
87°
73°
Oct
81°
67°
Nov
77°
61°
Dec
70°
55°

Which forecast is most accurate in Deltona?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
85
/100rank #1
90±1.0°F96±1.2 mph7184% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
52
/100rank #2
78±2.2°F85±4.6 mph039% 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)
Loading ratings…
AmericanNOAA GFS
Loading ratings…
EuropeanECMWF
Loading ratings…

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±4°86° to 90°±68%24% to 92% chance
Tomorrow±3°83° to 86°±69%25% to 94% chance
Sun±2°84° to 86°±24%66% to 90% chance
Mon±8°83° to 91°±26%74% to 100% chance
Tue±12°84° to 95°±18%76% to 94% 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 Deltona

today, local time
Sunrise
07:11
Sunset
19:26
Daylight
12h 15m

Common questions

What's the weather in Deltona today?
On this page we show what NWS, American, European each forecast for Deltona 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 Deltona today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Deltona 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 Deltona?
Over the last 30 days, the European model has been the most accurate for Deltona (CheckWeather Score 85/100), ahead of the American at 52. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Deltona?
July is typically the warmest month in Deltona, with average highs around 91°F.
How cold does Deltona get?
The coldest month in Deltona is January, when overnight lows average about 52°F.
How much rain does Deltona get?
Deltona sees roughly 58 in of precipitation a year, with September usually the wettest month.

Nearby

More US weather