Deltona, Florida Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
Deltona weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 12:10 AM EDT · Open-Meteo
- TodaySep 21Overcast29%—86°74°—
- TuesdaySep 22Heavy Showers63%3.7″87°73°+1°
- WednesdaySep 23Thunderstorm70%—91°76°+4°
- ThursdaySep 24Light Showers50%—89°75°-2°
- FridaySep 25Overcast32%—83°74°-6°
- SaturdaySep 26Overcast22%—83°69°0°
- SundaySep 27Overcast12%—87°67°+4°
Air quality now AQI 52 · Moderate
AQI 52 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 17.7 µg/m³ (AQI 67) with a 0.90 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in stagnant air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 17.7 µg/m³ (AQI 67) with a 0.90 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.90
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:29 PM
- Moonset
- 2:16 AM
- In sign
- ♑︎ Capricorn
Thunder quiets the land
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Deltona at a glance
- Today vs. normal: Today averages 80°F (high 86°F, low 74°F), 2°F above the 78°F normal for Sep 21
- Last frost: January 26 (1991–2020 median, NOAA station 12 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant tomatoes, peppers, beans, squash; harvest beans, summer squash, winter squash
15-Day Forecast — Deltona
- Mon86°74°29%
- Tue87°73°63%
- Wed91°76°70%
- Thu89°75°50%
- Fri83°74°32%
- Sat83°69°22%
- Sun87°67°12%
- Mon90°69°23%
- Tue88°70°26%
- Wed88°71°39%
- Thu85°73°45%
- Fri81°74°59%
- Sat87°75°69%
- Sun92°76°69%
- Mon86°74°66%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Deltona
Interactive wind and temperature map centered on Deltona — it loads in your browser. Open the full weather map.
Right now in the garden
Peak growing season
As of September 21, the growing season is at its peak — the first frost (around January 12) is weeks away. Fall transplants go in about 10–12 weeks before the first frost, October 20 to November 3 here. This city's planting calendar for September: plant tomatoes, peppers, beans, and squash; harvest beans, summer squash, and winter squash.
SPC Convective Outlook
Storm Prediction Center — Deltona
SPC includes Deltona in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook.
Sun & seasons in Deltona
Deltona sits in Volusia County, where the year’s longest day runs 13h 59m of daylight and its shortest just 10h 18m — a swing of +3h 42m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Miami, the state’s largest city, lies about 224 miles to the SSE. The nearest town Deltona tracks is Orlando, roughly 30 miles to the SSW.
Air quality in Deltona
Air quality in Deltona’s county has trended cleaner since 2020; its cleanest year on record was 2024 (median AQI 39). See the full air-quality history for Deltona.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | lettuce, peas, spinach, radishes | radishes, tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| February | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, spinach, radishes, fall brassicas, carrots |
| March | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| April | beans, squash | lettuce, peas, spinach, beans, summer squash |
| May | beans, squash | tomatoes, peppers, beans, summer squash, winter squash, garlic |
| June | beans, squash | tomatoes, peppers, beans, summer squash, winter squash |
| July | beans, squash | tomatoes, peppers, beans, summer squash, winter squash |
| August | beans, squash | beans, summer squash, winter squash |
| September | tomatoes, peppers, beans, squash | beans, summer squash, winter squash |
| October | tomatoes, peppers, beans, squash, fall brassicas, carrots | beans, summer squash, winter squash |
| November | — | beans, summer squash, winter squash |
| December | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
A year in weather
The year in Deltona tops out in July (~81°F) and dips lowest in January (~59°F), with July wettest at 7.5 inches and November driest at 1.5 inches.
| Month | Mean temp | Precip |
|---|---|---|
| January | 59° | 2.5″ |
| February | 60° | 2.5″ |
| March | 65° | 2.9″ |
| April | 70° | 2.9″ |
| May | 76° | 3.0″ |
| June | 80° | 6.2″ |
| July | 81° | 7.5″ |
| August | 81° | 6.9″ |
| September | 79° | 5.9″ |
| October | 74° | 3.5″ |
| November | 66° | 1.5″ |
| December | 62° | 1.9″ |
Regional context
Similar climates Orange City, FL, Lake Helen, FL, DeBary, FL
Drawing on modelled 1991-2020 normals (EC_Earth3P_HR model via Open-Meteo), Deltona's January averages 59°F and July 81°F — 21°F apart — while precipitation totals roughly 47.3 inches.
Deltona's rain peaks in summer: July brings 7.5 inches, while November sees just 1.5 inches under cooler, drier air. Deltona shares that warm-season-wet pattern with places like Orange City, FL, Lake Helen, FL and DeBary, FL.
By January 26 the frosts ease in Deltona, opening the season for lettuce, chard, arugula, and mustard greens. Warm-soil crops in Deltona wait about two weeks past Deltona's last frost, once the soil warms. Around January 12, freezing nights resume in Deltona and tender crops must come in. Sheltered Deltona yards can escape a light frost.
Similar climates: Orange City, FL, Lake Helen, FL, DeBary, FL, Midway, FL, Sanford, FL.
Frequently asked
- When does it freeze in Deltona?
- Frost reaches Deltona near January 12 in a typical winter and is gone from Deltona by January 26.
- What is the rainy season in Deltona?
- July is the wettest month in Deltona, about 7.5 inches on average; the year totals roughly 47 inches.
- What is the warmest month in Deltona?
- Deltona peaks in July, when the mean runs near 81°F.
- What is the coldest month in Deltona?
- January is Deltona's coldest month, averaging about 59°F.
- When can I start a vegetable garden in Deltona?
- Hardy spring crops go in near January 26 in Deltona; tender peppers and squash wait 10–14 days.
- What hardiness zone is Deltona?
- Since January in Deltona averages 59°F, Deltona's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Deltona?
- Deltona's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Deltona?
- See this week's day-by-day rain chances for Deltona in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Deltona?
- Current conditions for Deltona and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Deltona forecast updated?
- The Deltona forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Deltona?
- Today's sunrise and sunset times for Deltona are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Deltona?
- The next few days in Deltona's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Deltona sits at 28.9°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Deltona
- 32725
- 32738
- 32739