Jacksonville, Florida Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
Jacksonville weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 9:32 AM EDT · Open-Meteo
- TodaySep 21Overcast later17%—87°75°—
- TuesdaySep 22Overcast22%—86°73°-1°
- WednesdaySep 23Light Showers44%—94°78°+8°
- ThursdaySep 24Heavy Drizzle28%—82°73°-12°
- FridaySep 25Overcast——81°69°-1°
- SaturdaySep 26Overcast——82°69°+1°
- SundaySep 27Overcast——85°68°+3°
Air quality now AQI 61 · Moderate
AQI 61 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 43. Overcast through the UV peak window (cloud cover ~86%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 43. Overcast through the UV peak window (cloud cover ~86%) — afternoon ozone should stay flat.
- Present
- AQI 43
- UV peak
- 1.6 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 6.0 µg/m³, PM10 at 6.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.88
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 4:34 PM
- Moonset
- 2:14 AM
- In sign
- ♑︎ Capricorn
Thunder quiets the land
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Jacksonville at a glance
- Today vs. normal: Today averages 81°F (high 87°F, low 75°F), 4°F above the 77°F normal for Sep 21
- Last frost: February 1 (1991–2020 median, NOAA station 11 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant tomatoes, peppers, beans, squash; harvest beans, summer squash, winter squash
16-Day Forecast — Jacksonville
- Mon88°75°17%
- Tue86°73°22%
- Wed94°78°44%
- Thu82°73°28%
- Fri81°69°8%
- Sat82°69°5%
- Sun85°68°8%
- Mon84°75°12%
- Tue83°75°20%
- Wed88°74°36%
- Thu91°75°24%
- Fri89°76°41%
- Sat90°76°45%
- Sun90°78°53%
- Mon86°71°55%
- Tue72°70°36%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Jacksonville
Interactive wind and temperature map centered on Jacksonville — 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 5) is weeks away. Fall transplants go in about 10–12 weeks before the first frost, October 13 to October 27 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 — Jacksonville
SPC includes Jacksonville 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 Jacksonville
Jacksonville sits in Duval County, where the year’s longest day runs 14h 6m of daylight and its shortest just 10h 11m — a swing of +3h 55m 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 327 miles to the SSE. The nearest town Jacksonville tracks is Gainesville, roughly 60 miles to the SW.
Air quality in Jacksonville
Air quality in Jacksonville’s county has held roughly steady since 2020; its cleanest year on record was 2024 (median AQI 50). See the full air-quality history for Jacksonville.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | lettuce, peas, spinach, radishes | fall brassicas, carrots |
| February | lettuce, peas, spinach, radishes | lettuce, spinach, radishes |
| March | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach |
| May | beans, squash | tomatoes, peppers, beans, summer 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 | tomatoes, peppers, beans, summer squash, winter squash |
| September | tomatoes, peppers, beans, squash | beans, summer squash, winter squash |
| October | beans, squash, fall brassicas, carrots | beans, summer squash, winter squash |
| November | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| December | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
A year in weather
July is Jacksonville's warmest stretch (~81°F) and January its coldest (~55°F); precipitation crests in July at 6.2 inches and ebbs in November to 1.5 inches.
| Month | Mean temp | Precip |
|---|---|---|
| January | 55° | 3.1″ |
| February | 57° | 2.8″ |
| March | 62° | 3.5″ |
| April | 68° | 2.3″ |
| May | 75° | 2.4″ |
| June | 80° | 4.7″ |
| July | 81° | 6.2″ |
| August | 81° | 5.2″ |
| September | 78° | 5.5″ |
| October | 72° | 2.7″ |
| November | 64° | 1.5″ |
| December | 58° | 2.2″ |
Regional context
Similar climates Bellair-Meadowbrook Terrace, FL, Orange Park, FL, Lakeside, FL
By modelled 1991-2020 normals (EC_Earth3P_HR model via Open-Meteo), Jacksonville sees 55°F Januarys and 81°F Julys, a 26°F range, plus around 42.1 inches of precipitation.
Summer convection drives Jacksonville's precipitation: July logs 6.2 inches, against November's 1.5 inches — warm-season storms carry Jacksonville's moisture. That summer-storm rhythm groups Jacksonville with places like Bellair-Meadowbrook Terrace, FL, Orange Park, FL and Lakeside, FL.
The cool-season window in Jacksonville starts at February 1, when nights stop freezing — think lettuce, chard, arugula, and mustard greens. In Jacksonville, warm-season transplants — tomatoes, peppers, basil — wait two weeks past Jacksonville's frost date. It shuts near January 5, when freezes return to Jacksonville and tender plants need cover. In about half of years, Jacksonville's last freeze comes after February 1.
Similar climates: Bellair-Meadowbrook Terrace, FL, Orange Park, FL, Lakeside, FL, Nassau Village-Ratliff, FL, Oakleaf Plantation, FL.
Frequently asked
- When does it freeze in Jacksonville?
- In Jacksonville, frost is a midwinter event — expect the first freeze around January 5 and Jacksonville's last near February 1.
- What is the rainy season in Jacksonville?
- Rainfall in Jacksonville peaks in July near 6.2 inches, out of about 42 inches annually.
- What is the warmest month in Jacksonville?
- On average July tops the year in Jacksonville at about 81°F.
- What is the coldest month in Jacksonville?
- The coldest stretch in Jacksonville falls in January, around 55°F on average.
- When can I start a vegetable garden in Jacksonville?
- In Jacksonville, sow peas and hardy greens around February 1; Jacksonville's tomatoes and peppers wait two weeks more.
- What hardiness zone is Jacksonville?
- With January around 55°F, Jacksonville's zone reflects that minimum — the USDA ZIP map confirms Jacksonville's band.
- What is the 10-day forecast for Jacksonville?
- Jacksonville'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 Jacksonville?
- See this week's day-by-day rain chances for Jacksonville in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Jacksonville?
- Current conditions for Jacksonville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Jacksonville forecast updated?
- The Jacksonville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Jacksonville?
- Today's sunrise and sunset times for Jacksonville 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 Jacksonville?
- The next few days in Jacksonville's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Jacksonville sits at 30.3°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Jacksonville
- 32099
- 32201
- 32202
- 32203
- 32204
- 32205
- 32206
- 32207
- 32208
- 32209
- 32210
- 32211
- 32212
- 32214
- 32216
- 32217
- 32218
- 32219
- 32220
- 32221
- 32222
- 32223
- 32224
- 32225
- 32226
- 32227
- 32228
- 32229
- 32231
- 32232
- 32233
- 32234
- 32235
- 32236
- 32238
- 32239
- 32241
- 32244
- 32245
- 32246
- 32247
- 32250
- 32254
- 32255
- 32256
- 32257
- 32258
- 32277