Gainesville, Florida Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
Gainesville weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 10:18 AM EDT · Open-Meteo
- TodaySep 21Clear16%—88°70°—
- TuesdaySep 22Clear19%—89°71°+1°
- WednesdaySep 23Drizzle58%—96°72°+7°
- ThursdaySep 24Light Drizzle35%—86°74°-10°
- FridaySep 25Overcast10%—84°69°-2°
- SaturdaySep 26Overcast——86°66°+2°
- SundaySep 27Overcast——85°65°-1°
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 8.2 µg/m³ (AQI 46) with a 0.84 fine-to-coarse ratio and 6 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
Ozone × UV × Sky
Ozone at AQI 39 now. With UV 2.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 14.
- Present
- AQI 39
- UV peak
- 2.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 14
PM × Wind × Precip
PM2.5 at 8.2 µg/m³ (AQI 46) with a 0.84 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.84
- Wind
- light
- 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
- 4:36 PM
- Moonset
- 2:19 AM
- In sign
- ♑︎ Capricorn
Thunder quiets the land
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Gainesville at a glance
- Today vs. normal: Today averages 79°F (high 88°F, low 70°F), 2°F above the 77°F normal for Sep 21
- Last frost: March 3 (1991–2020 median, NOAA station 7 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant beans, squash, fall brassicas, carrots; harvest beans, summer squash, winter squash
16-Day Forecast — Gainesville
- Mon88°70°16%
- Tue89°71°19%
- Wed96°72°58%
- Thu86°74°35%
- Fri84°69°10%
- Sat86°66°5%
- Sun85°65°7%
- Mon81°70°13%
- Tue88°69°19%
- Wed88°71°39%
- Thu92°71°31%
- Fri90°73°52%
- Sat87°74°48%
- Sun86°74°39%
- Mon81°70°62%
- Tue71°69°31%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Gainesville
Interactive wind and temperature map centered on Gainesville — 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 December 2) is weeks away. Fall transplants go in about 10–12 weeks before the first frost, September 9 to September 23 here. This city's planting calendar for September: plant beans, squash, fall brassicas, and carrots; harvest beans, summer squash, and winter squash.
SPC Convective Outlook
Storm Prediction Center — Gainesville
SPC includes Gainesville 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 Gainesville
Gainesville sits in Alachua County, where the year’s longest day runs 14h 3m of daylight and its shortest just 10h 14m — a swing of +3h 49m 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 299 miles to the SSE. The nearest town Gainesville tracks is Ocala, roughly 37 miles to the SSE.
Air quality in Gainesville
Air quality in Gainesville’s county has trended cleaner since 2020; its cleanest year on record was 2025 (median AQI 37). See the full air-quality history for Gainesville.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| February | lettuce, peas, spinach, radishes | — |
| March | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, spinach, radishes |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| May | beans, squash | lettuce, peas, spinach, beans, summer squash, garlic |
| June | beans, squash | tomatoes, peppers, beans, summer squash, garlic |
| July | beans, squash | tomatoes, peppers, beans, summer squash, winter squash |
| August | tomatoes, peppers, beans, squash | tomatoes, summer squash, winter squash |
| September | beans, squash, fall brassicas, carrots | beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| November | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| December | — | fall brassicas, carrots |
A year in weather
Gainesville peaks at about 81°F in July and bottoms near 55°F in January; June brings the heaviest rain (7.6 inches) and November the least (1.8 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 55° | 3.3″ | 5 |
| February | 58° | 2.7″ | 4 |
| March | 63° | 3.5″ | 5 |
| April | 69° | 2.7″ | 4 |
| May | 75° | 3.1″ | 5 |
| June | 80° | 7.6″ | 11 |
| July | 81° | 6.7″ | 11 |
| August | 81° | 6.4″ | 10 |
| September | 79° | 5.0″ | 7 |
| October | 71° | 2.7″ | 4 |
| November | 63° | 1.8″ | 3 |
| December | 57° | 2.9″ | 5 |
Regional context
Similar climates Alachua, FL, La Crosse, FL, Micanopy, FL
By the nearest station's NOAA NCEI 1991-2020 normals, Gainesville sees 55°F Januarys and 81°F Julys, a 27°F range, plus around 48.3 inches of precipitation across 73 days.
Summer convection drives Gainesville's precipitation: June logs 7.6 inches on 11.0 rainy days, against November's 1.8 inches on 3.0 — warm-season storms carry Gainesville's moisture. Gainesville shares that warm-season-wet pattern with places like Alachua, FL, La Crosse, FL and Micanopy, FL.
Gainesville's growing window opens around March 3, once Gainesville's overnight lows stop freezing — sow lettuce, chard, arugula, and mustard greens. Hold Gainesville's tender crops — tomatoes, peppers, basil — until 10-14 days past Gainesville's last frost. Around December 2, freezing nights resume in Gainesville and tender crops must come in. Sheltered Gainesville yards can escape a light frost.
Similar climates: Alachua, FL, La Crosse, FL, Micanopy, FL, Waldo, FL, Archer, FL.
Frequently asked
- When does it freeze in Gainesville?
- Frost typically leaves Gainesville by March 3 and returns to Gainesville near December 2.
- What is the rainy season in Gainesville?
- Gainesville sees its heaviest rain in June (around 7.6 inches), part of roughly 48 inches a year.
- What is the warmest month in Gainesville?
- Gainesville peaks in July, when the mean runs near 81°F.
- What is the coldest month in Gainesville?
- January is Gainesville's coldest month, averaging about 55°F.
- When can I start a vegetable garden in Gainesville?
- Hardy spring crops go in near March 3 in Gainesville; tender peppers and squash wait 10–14 days.
- How many rainy days does Gainesville get?
- Gainesville records around 73 days of measurable precipitation annually.
- What hardiness zone is Gainesville?
- Since January in Gainesville averages 55°F, Gainesville's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Gainesville?
- Gainesville'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 Gainesville?
- See this week's day-by-day rain chances for Gainesville in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Gainesville?
- Current conditions for Gainesville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Gainesville forecast updated?
- The Gainesville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Gainesville?
- Today's sunrise and sunset times for Gainesville 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 Gainesville?
- The next few days in Gainesville's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Gainesville sits at 29.7°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Gainesville
- 32601
- 32603
- 32604
- 32605
- 32606
- 32607
- 32608
- 32609
- 32610
- 32611
- 32612
- 32614
- 32627
- 32635
- 32641
- 32653