Willow Oak, Florida Weather

Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →

Willow Oak weather forecast — hour by hour, 7-day outlook, NOAA radar

Willow Oak, FL
Monday, September 21 at 10:18 AM
79
°
Clear
Feels like
88°
Humidity
84%
Wind
5 mph
Sunrise
7:16 AM
Sunset
7:25 PM

Conditions updated 10:18 AM EDT · Open-Meteo

Willow Oak, FL
Hour by hour · 24h
24-Hour ForecastWillow Oak, FL: 24-hour forecast. Temperatures range from 73 to 86 degrees Fahrenheit with a 35% chance of precipitation at 8 PM.
L 73°H 86°
Willow Oak, FL
7-day forecast
  1. Today
    Sep 21
    Showers later
    35%
    3.4″
    86°73°
  2. Tuesday
    Sep 22
    Overcast
    39%
    0.81″
    84°73°-2°
  3. Wednesday
    Sep 23
    Thunderstorm
    64%
    88°74°+4°
  4. Thursday
    Sep 24
    Light Drizzle
    54%
    91°74°+3°
  5. Friday
    Sep 25
    Light Drizzle
    29%
    85°73°-6°
  6. Saturday
    Sep 26
    Overcast
    19%
    88°71°+3°
  7. Sunday
    Sep 27
    Light Drizzle
    18%
    87°67°-1°
Willow Oak, FL
Anemometer · 24h winds · from true
NESW
From · True
N
008° · backing 85°
Direction
N
008°
Sustained
5
mph
Gust
6
mph
Peak 24h
17
avg 3 mph
Beaufort · 2 · LIGHT BRZ
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 17 mph @ 9:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 163SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Willow Oak, FL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1013.1
+0.4 mb in 3h · steady · 29.92 inHg
Now
1013.1
mb
3h
+0.4
mb
12h
-0.5
mb
24h
-2.2
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10121015
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1015.21011.81013.0
Air sits at the threshold — small shifts decide the day.
Air quality now AQI 42 · Good
Willow Oak, FL
Air quality
42
AQI
Good
+1 in 6h

AQI 42 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.4 µg/m³ (AQI 47) with a 0.79 fine-to-coarse ratio and 5 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 2.5DRIVERGood
8.4μg/m³
PM 10Good
11μg/m³
NO₂Good
5μg/m³
OzoneGood
52μg/m³
UV IndexModerate
2.5

What's driving it

PM × Wind × Precip

PM2.5 at 8.4 µg/m³ (AQI 47) with a 0.79 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in stagnant air, not road dust.

PM2.5/PM10
0.79
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Willow Oak, FL
Sky cover · visibility · 24h
Cloud cover
17%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
10.7mi
UNLIMITED
17 mi0 mi−24h−18h−12h−6hnow
Willow Oak, FL
Almanac · Monday, September 21
September dries up ditches or breaks down bridges.
Civil dawn
6:53 AM
Sunrise
7:16 AM
Daylight
12h 09m
Sunset
7:25 PM
Civil dusk
7:51 PM
Planting note
September — plant tomatoes, peppers, beans, squash; harvest beans, summer squash, winter squash
Willow Oak, FL
The moon
Waxing Gibbous
75% illuminated
Moonrise
4:30 PM
Moonset
2:22 AM
In sign
♑︎ Capricorn
Willow Oak, 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 →

Willow Oak at a glance

  • Today vs. normal: Today averages 80°F (high 86°F, low 73°F), 2°F above the 78°F normal for Sep 21
  • Last frost: January 26 (1991–2020 median, NOAA station 8 km away)
  • Microseason: Sep 21–25
  • Planting calendar: September — plant tomatoes, peppers, beans, squash; harvest beans, summer squash, winter squash

16-Day Forecast — Willow Oak

  1. Mon86°73°35%
  2. Tue84°73°39%
  3. Wed88°74°64%
  4. Thu91°74°54%
  5. Fri85°73°29%
  6. Sat88°71°19%
  7. Sun87°67°18%
  8. Mon87°71°27%
  9. Tue89°70°38%
  10. Wed89°73°40%
  11. Thu90°73°44%
  12. Fri90°74°58%
  13. Sat88°74°52%
  14. Sun91°74°56%
  15. Mon92°75°55%
  16. Tue75°72°52%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of September 21, the growing season is at its peak — the first frost (around January 9) is weeks away. Fall transplants go in about 10–12 weeks before the first frost, October 17 to October 31 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 — Willow Oak

SPC includes Willow Oak 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 Willow Oak

Willow Oak sits in Polk County, where the year’s longest day runs 13h 55m of daylight and its shortest just 10h 22m — a swing of +3h 33m 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 185 miles to the SE. The nearest town Willow Oak tracks is Lakeland, roughly 10 miles to the NNE.

Air quality in Willow Oak

Air quality in Willow Oak’s county has trended cleaner since 2020; its cleanest year on record was 2025 (median AQI 34).

Planting calendar

MonthPlantHarvest
Januarylettuce, peas, spinach, radishesradishes, tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots
Februarylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, spinach, radishes, fall brassicas, carrots
Marchtomatoes, peppers, beans, squashlettuce, peas, spinach, radishes
Aprilbeans, squashlettuce, peas, spinach, beans, summer squash
Maybeans, squashtomatoes, peppers, beans, summer squash, winter squash, garlic
Junebeans, squashtomatoes, peppers, beans, summer squash, winter squash
Julybeans, squashtomatoes, peppers, beans, summer squash, winter squash
Augustbeans, squashbeans, summer squash, winter squash
Septembertomatoes, peppers, beans, squashbeans, summer squash, winter squash
Octoberbeans, squash, fall brassicas, carrotsbeans, summer squash, winter squash
Novembertomatoes, peppers, beans, summer squash, winter squash
Decembergarlic (overwinter)tomatoes, peppers, beans, summer squash, winter squash

A year in weather

In Willow Oak, August runs warmest near 81°F and January coldest around 61°F, while July is the wettest month (6.4 inches) and November the driest (1.2 inches).

MonthMean tempPrecip
January61°2.3
February62°2.3
March66°2.7
April72°2.5
May78°2.6
June81°5.9
July81°6.4
August81°6.1
September79°4.9
October75°2.1
November67°1.2
December63°1.9

Regional context

Similar climates Fuller Heights, FL, Mulberry, FL, Medulla, FL

By modelled 1991-2020 normals (EC_Earth3P_HR model via Open-Meteo), Willow Oak sees 61°F Januarys and 81°F Julys, a 20°F range, plus around 40.9 inches of precipitation.

Willow Oak's rain peaks in summer: July brings 6.4 inches, while November sees just 1.2 inches under cooler, drier air. That puts Willow Oak in a summer-convective cohort with places like Fuller Heights, FL, Mulberry, FL and Medulla, FL.

Willow Oak's growing window opens around January 26, once Willow Oak's overnight lows stop freezing — sow lettuce, chard, arugula, and mustard greens. Warm-soil crops in Willow Oak wait about two weeks past Willow Oak's last frost, once the soil warms. Willow Oak's window closes around January 9 as Willow Oak's overnight lows return below freezing. In about half of years, Willow Oak's last freeze comes after January 26.

Similar climates: Fuller Heights, FL, Mulberry, FL, Medulla, FL, Lakeland Highlands, FL, Plant City, FL.

Frequently asked

When does it freeze in Willow Oak?
Willow Oak's freezes fall in a short midwinter window: the first typically arrives near January 9 and the last passes by January 26.
What is the rainy season in Willow Oak?
Willow Oak sees its heaviest rain in July (around 6.4 inches), part of roughly 41 inches a year.
What is the warmest month in Willow Oak?
On average August tops the year in Willow Oak at about 81°F.
What is the coldest month in Willow Oak?
The coldest stretch in Willow Oak falls in January, around 61°F on average.
When can I start a vegetable garden in Willow Oak?
Around January 26, start frost-hardy crops in Willow Oak; tomatoes and basil belong a fortnight later.
What hardiness zone is Willow Oak?
Since January in Willow Oak averages 61°F, Willow Oak's USDA zone follows that floor — confirm it by ZIP.
What is the 10-day forecast for Willow Oak?
Willow Oak'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 Willow Oak?
See this week's day-by-day rain chances for Willow Oak in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Willow Oak?
Current conditions for Willow Oak and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Willow Oak forecast updated?
The Willow Oak forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Willow Oak?
Today's sunrise and sunset times for Willow Oak 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 Willow Oak?
The next few days in Willow Oak's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Willow Oak sits at 27.9°N; its climate zone is humid subtropical (Köppen approximation).

ZIP codes in Willow Oak

  • 33811
  • 33860

Climate normals: modelled 1991–2020 normals from the EC_Earth3P_HR climate model via the Open-Meteo Climate API, not station observations. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.