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

Gainesville, FL
Monday, September 21 at 12:50 AM
72
°
Clear
Feels like
79°
Humidity
96%
Wind
3 mph
Sunrise
7:17 AM
Sunset
7:27 PM

Conditions updated 12:50 AM EDT · Open-Meteo

Gainesville, FL
Hour by hour · 24h
24-Hour ForecastGainesville, FL: 24-hour forecast. Temperatures range from 70 to 89 degrees Fahrenheit with a 22% chance of precipitation at 8 PM.
L 70°H 89°
Gainesville, FL
7-day forecast
  1. Today
    Sep 21
    Clear
    22%
    89°70°
  2. Tuesday
    Sep 22
    Overcast
    41%
    88°71°-1°
  3. Wednesday
    Sep 23
    Heavy Drizzle
    59%
    93°74°+5°
  4. Thursday
    Sep 24
    Light Drizzle
    23%
    90°74°-3°
  5. Friday
    Sep 25
    Overcast
    10%
    87°67°-3°
  6. Saturday
    Sep 26
    Overcast
    87°68°
  7. Sunday
    Sep 27
    Overcast
    89°67°+2°
Gainesville, FL
Anemometer · 24h winds · from true
NESW
From · True
W
266° · backing 94°
Direction
W
266°
Sustained
3
mph
Gust
4
mph
Peak 24h
9
avg 3 mph
Beaufort · 1 · LIGHT AIR
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 3 mph · pk 9 mph @ 3:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 143SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Gainesville, FL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1012.4
-0.7 mb in 3h · falling · 29.90 inHg
Now
1012.4
mb
3h
-0.7
mb
12h
-3.2
mb
24h
-2.8
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10121016
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1015.81012.41012.4
Air sits at the threshold — small shifts decide the day.
Air quality now AQI 51 · Moderate
Gainesville, FL
Air quality
51
AQI
Moderate
+1 in 6h

AQI 51 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 13.7 µg/m³ (AQI 60) with a 0.91 fine-to-coarse ratio and 3 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.

PM 2.5DRIVERModerate
13.7μg/m³
PM 10Good
15μg/m³
NO₂Good
19μg/m³
OzoneGood
44μg/m³
UV IndexLow
0.0

What's driving it

PM × Wind × Precip

PM2.5 at 13.7 µg/m³ (AQI 60) with a 0.91 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.

PM2.5/PM10
0.91
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Gainesville, FL
Sky cover · visibility · 24h
Cloud cover
5%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
7.6mi
GOOD
18 mi0 mi−24h−18h−12h−6hnow
Gainesville, FL
Almanac · Monday, September 21
September dries up ditches or breaks down bridges.
Civil dawn
6:54 AM
Sunrise
7:17 AM
Daylight
12h 10m
Sunset
7:27 PM
Civil dusk
7:54 PM
Planting note
September — plant beans, squash, fall brassicas, carrots; harvest beans, summer squash, winter squash
Gainesville, FL
The moon
Waxing Gibbous
72% illuminated
Moonrise
4:36 PM
Moonset
2:19 AM
In sign
♑︎ Capricorn
Gainesville, FL
Microseason
Sep 21–25

Thunder quiets the land

weather
Jan 172% of the yearDec 31

Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →

Gainesville at a glance

  • Today vs. normal: Today averages 80°F (high 89°F, low 70°F), 3°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

15-Day Forecast — Gainesville

  1. Mon89°70°22%
  2. Tue88°71°41%
  3. Wed93°74°59%
  4. Thu90°74°23%
  5. Fri87°67°10%
  6. Sat87°68°8%
  7. Sun89°67°5%
  8. Mon88°70°13%
  9. Tue90°71°15%
  10. Wed88°71°34%
  11. Thu89°71°34%
  12. Fri77°73°49%
  13. Sat88°73°45%
  14. Sun78°74°49%
  15. Mon75°72°34%

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

MonthPlantHarvest
Februarylettuce, peas, spinach, radishes
Marchlettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, spinach, radishes
Apriltomatoes, peppers, beans, squashlettuce, peas, spinach, radishes
Maybeans, squashlettuce, peas, spinach, beans, summer squash, garlic
Junebeans, squashtomatoes, peppers, beans, summer squash, garlic
Julybeans, squashtomatoes, peppers, beans, summer squash, winter squash
Augusttomatoes, peppers, beans, squashtomatoes, summer squash, winter squash
Septemberbeans, squash, fall brassicas, carrotsbeans, summer squash, winter squash
Octobergarlic (overwinter)tomatoes, peppers, beans, summer squash, winter squash
Novembergarlic (overwinter)tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots
Decemberfall 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).

MonthMean tempPrecipRainy days
January55°3.35
February58°2.74
March63°3.55
April69°2.74
May75°3.15
June80°7.611
July81°6.711
August81°6.410
September79°5.07
October71°2.74
November63°1.83
December57°2.95

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

Climate normals: NOAA NCEI 1991–2020 normals from the nearest station. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.